Infineon
MB91F366GCPMCR-GS - 32-bit FR50 MCU 512KB Flash 64MHz | Infineon
MPN: MB91F366GCPMCR-GS ✓ Active
In Stock
Ships in 1-3 business days
120-LQFP (16x16 mm) Package
64 MHz Speed
512 KB (512K x 8) Flash Memory
From $6.95
USD / Unit
MOQ: 1 |
Price updated: 2026-10-08
Volume Pricing
| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $10.05 | $10.05 |
| 10 | $9.45 | $94.50 |
| 100 | $8.62 | $862.00 |
| 500 | $7.78 | $3,890.00 |
| 1,000 | $6.95 | $6,950.00 |
ℹ️ All prices are in USD
MB91F366GCPMCR-GS Overview
The Infineon MB91F366GCPMCR-GS is a 32-bit RISC FR50 microcontroller from the FR MB91360G family, delivering 64 MHz CPU clock with 512 KB on-chip Flash and housed in a 120-pin LQFP (16x16 mm) package. According to distributor listings (Mouser, DigiKey, Octopart), this device integrates 36 KB of RAM, multiple serial interfaces, and timers designed for embedded real-time control.
A 32-bit microcontroller (MCU) is a single-chip computer that integrates a 32-bit CPU core, program memory, working RAM, and a rich set of peripherals such as timers, ADCs, and communication controllers. Within the broader semiconductor hierarchy, an MCU belongs to the integrated circuit family, sits under microcontrollers, and above general-purpose logic ICs. FR-family MCUs from Infineon/Cypress use the FR50 RISC architecture, optimized for deterministic interrupt response and high code density, making them well suited to automotive body, industrial automation, and white-goods applications where real-time behavior and long product lifetimes matter.
Key features of the MB91F366GCPMCR-GS include 512 KB Flash (512K x 8 organization), 64 MHz maximum operating frequency, 32-bit data path, integrated peripherals for serial communication, timers and GPIO, and a wide operating voltage range typical of the FR MB91360G platform. The device supports multiple power-saving modes for energy-conscious designs, and the 120-LQFP package provides generous I/O count for systems that need many external connections.
Architecturally, the FR50 core uses a variable-length instruction set that balances code density with throughput, while on-chip debug and trace logic assist development. The internal Flash controller supports in-application reprogramming, enabling firmware updates in the field without removing the MCU from the board.
Typical applications include industrial automation controllers, automotive body and chassis ECUs, HVAC control boards, white-goods motor control, and human-machine interface panels. The combination of large Flash, deterministic interrupts, and abundant I/O suits these real-time embedded designs.
When designing with this part, pay attention to the 120-LQFP PCB land pattern, decoupling capacitor placement near the supply pins, and ensure firmware uses the correct vector table for the FR50 core. Confirm the specific peripheral map against the FR MB91360G hardware manual before committing to pin assignments.
This page consolidates distributor pricing, drop-in alternative candidates, and engineering guidance not bundled in the manufacturer datasheet, giving procurement and design teams a single authoritative reference.
A 32-bit microcontroller (MCU) is a single-chip computer that integrates a 32-bit CPU core, program memory, working RAM, and a rich set of peripherals such as timers, ADCs, and communication controllers. Within the broader semiconductor hierarchy, an MCU belongs to the integrated circuit family, sits under microcontrollers, and above general-purpose logic ICs. FR-family MCUs from Infineon/Cypress use the FR50 RISC architecture, optimized for deterministic interrupt response and high code density, making them well suited to automotive body, industrial automation, and white-goods applications where real-time behavior and long product lifetimes matter.
Key features of the MB91F366GCPMCR-GS include 512 KB Flash (512K x 8 organization), 64 MHz maximum operating frequency, 32-bit data path, integrated peripherals for serial communication, timers and GPIO, and a wide operating voltage range typical of the FR MB91360G platform. The device supports multiple power-saving modes for energy-conscious designs, and the 120-LQFP package provides generous I/O count for systems that need many external connections.
Architecturally, the FR50 core uses a variable-length instruction set that balances code density with throughput, while on-chip debug and trace logic assist development. The internal Flash controller supports in-application reprogramming, enabling firmware updates in the field without removing the MCU from the board.
Typical applications include industrial automation controllers, automotive body and chassis ECUs, HVAC control boards, white-goods motor control, and human-machine interface panels. The combination of large Flash, deterministic interrupts, and abundant I/O suits these real-time embedded designs.
When designing with this part, pay attention to the 120-LQFP PCB land pattern, decoupling capacitor placement near the supply pins, and ensure firmware uses the correct vector table for the FR50 core. Confirm the specific peripheral map against the FR MB91360G hardware manual before committing to pin assignments.
This page consolidates distributor pricing, drop-in alternative candidates, and engineering guidance not bundled in the manufacturer datasheet, giving procurement and design teams a single authoritative reference.
Drop-in alternatives for MB91F366GCPMCR-GS — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MB91F366GCPMCR-GS (same form factor and footprint) — differing in Program Memory Size, RAM Size, Series, Number of I/O, Operating Temperature.
Renesas Electronics
Program Memory Size: 48 KB (48K x 8)
RAM Size: 4 KB (4K x 8)
Series: M16C/60 (M16C/Tiny Series, Group 28)
Compare with MB91F366GCPMCR-GS →
Renesas Electronics
Program Memory Size: 384 KB (384K x 8)
RAM Size: 31 KB
Series: M16C/60 M16C/62P
Compare with MB91F366GCPMCR-GS →
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MB91F366GCPMCR-GSE2
✅ Drop-In📦 120-LQFP (16x16)
same die, process revision E2 marking only
📋 Reference alternative (not in catalog)
MB91F368GBPMCR-G
✅ Drop-In📦 120-LQFP (16x16)
expanded peripheral set, same 512 KB Flash, same FR50 core
📋 Reference alternative (not in catalog)
MB91F376GPMC3-GS
✅ Drop-In📦 120-LQFP (16x16)
768 KB Flash (+50% memory) vs 512 KB, same FR50 core
📋 Reference alternative (not in catalog)
MB91F366GCPMT-GS
✅ Drop-In📦 120-LQFP (16x16)
same die, alternate reel/packaging code
📋 Reference alternative (not in catalog)
M30626FHPFP
✅ Drop-InRenesas Electronics
📦 120-LQFP
M16C/60 M16C/62P · M16C/60 · 16-Bit · 24 MHz · 384 KB (384K x 8) · FLASH · 31 KB · 87
✓ In Stock
$11.2 / Unit
View Datasheet →M30281F6HP#U5B
✅ Drop-InRenesas Electronics
📦 120-LQFP
Renesas Electronics Corporation · M16C/60 (M16C/Tiny Series, Group 28) · M16C (16-bit CISC) · 48 KB (48K x 8) · Flash · 4 KB (4K x 8) · 20 MHz · 55
✓ In Stock
$5.55 / Unit
View Datasheet →MB91F366GCPMCR-GS Maximum Ratings & Electrical Characteristics
| Core Architecture | FR50 RISC (32-bit) |
| Series | FR MB91360G |
| Maximum CPU Clock | 64 MHz |
| Data Bus Width | 32-bit |
| Program Memory Size | 512 KB (512K x 8) Flash |
| RAM Size | 36 KB |
| Package | 120-LQFP (16x16 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
MB91F366GCPMCR-GS Pin Configuration
| Pin 1 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 1 function |
| Pin 2 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 2 function |
| Pin 3 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 3 function |
| Pin 4 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 4 function |
| Pin 5 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 5 function |
| Pin 6 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 6 function |
| Pin 7 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 7 function |
| Pin 8 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 8 function |
| Pin 9 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 9 function |
| Pin 10 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 10 function |
| Pin 11 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 11 function |
| Pin 12 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 12 function |
| Pin 13 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 13 function |
| Pin 14 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 14 function |
| Pin 15 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 15 function |
| Pin 16 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 16 function |
| Pin 17 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 17 function |
| Pin 18 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 18 function |
| Pin 19 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 19 function |
| Pin 20 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 20 function |
| Pin 21 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 21 function |
| Pin 22 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 22 function |
| Pin 23 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 23 function |
| Pin 24 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 24 function |
| Pin 25 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 25 function |
| Pin 26 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 26 function |
| Pin 27 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 27 function |
| Pin 28 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 28 function |
| Pin 29 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 29 function |
| Pin 30 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 30 function |
| Pin 31 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 31 function |
| Pin 32 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 32 function |
| Pin 33 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 33 function |
| Pin 34 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 34 function |
| Pin 35 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 35 function |
| Pin 36 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 36 function |
| Pin 37 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 37 function |
| Pin 38 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 38 function |
| Pin 39 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 39 function |
| Pin 40 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 40 function |
| Pin 41 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 41 function |
| Pin 42 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 42 function |
| Pin 43 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 43 function |
| Pin 44 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 44 function |
| Pin 45 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 45 function |
| Pin 46 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 46 function |
| Pin 47 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 47 function |
| Pin 48 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 48 function |
| Pin 49 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 49 function |
| Pin 50 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 50 function |
| Pin 51 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 51 function |
| Pin 52 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 52 function |
| Pin 53 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 53 function |
| Pin 54 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 54 function |
| Pin 55 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 55 function |
| Pin 56 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 56 function |
| Pin 57 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 57 function |
| Pin 58 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 58 function |
| Pin 59 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 59 function |
| Pin 60 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 60 function |
| Pin 61 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 61 function |
| Pin 62 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 62 function |
| Pin 63 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 63 function |
| Pin 64 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 64 function |
| Pin 65 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 65 function |
| Pin 66 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 66 function |
| Pin 67 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 67 function |
| Pin 68 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 68 function |
| Pin 69 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 69 function |
| Pin 70 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 70 function |
| Pin 71 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 71 function |
| Pin 72 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 72 function |
| Pin 73 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 73 function |
| Pin 74 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 74 function |
| Pin 75 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 75 function |
| Pin 76 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 76 function |
| Pin 77 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 77 function |
| Pin 78 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 78 function |
| Pin 79 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 79 function |
| Pin 80 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 80 function |
| Pin 81 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 81 function |
| Pin 82 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 82 function |
| Pin 83 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 83 function |
| Pin 84 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 84 function |
| Pin 85 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 85 function |
| Pin 86 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 86 function |
| Pin 87 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 87 function |
| Pin 88 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 88 function |
| Pin 89 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 89 function |
| Pin 90 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 90 function |
| Pin 91 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 91 function |
| Pin 92 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 92 function |
| Pin 93 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 93 function |
| Pin 94 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 94 function |
| Pin 95 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 95 function |
| Pin 96 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 96 function |
| Pin 97 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 97 function |
| Pin 98 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 98 function |
| Pin 99 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 99 function |
| Pin 100 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 100 function |
| Pin 101 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 101 function |
| Pin 102 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 102 function |
| Pin 103 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 103 function |
| Pin 104 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 104 function |
| Pin 105 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 105 function |
| Pin 106 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 106 function |
| Pin 107 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 107 function |
| Pin 108 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 108 function |
| Pin 109 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 109 function |
| Pin 110 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 110 function |
| Pin 111 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 111 function |
| Pin 112 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 112 function |
| Pin 113 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 113 function |
| Pin 114 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 114 function |
| Pin 115 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 115 function |
| Pin 116 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 116 function |
| Pin 117 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 117 function |
| Pin 118 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 118 function |
| Pin 119 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 119 function |
| Pin 120 | [DATA_NEEDED] — Refer to FR MB91360G hardware manual for exact pin 120 function |
Typical Applications
MB91F366GCPMCR-GS is suitable for 6 applications: Industrial Automation Controllers, Automotive Body and Chassis ECUs, HVAC and Climate Control Boards, White Goods Motor Control, Human-Machine Interface Panels, Smart Energy Meters and Sub-Metering.
Industrial Automation Controllers
The MB91F366GCPMCR-GS fits industrial PLC and motion-control boards because its 32-bit FR50 core runs at 64 MHz with deterministic interrupt response. The 512 KB Flash holds IEC 61131-3 style application logic plus real-time OS kernels, while 36 KB RAM supports task scheduling buffers. The 120-LQFP package exposes enough GPIO for multi-axis I/O, encoder inputs, and fieldbus links. Unlike 8-bit MCUs, the FR50 core completes PID loops in fewer cycles, reducing control jitter on high-speed assembly lines.
Recommended
Automotive Body and Chassis ECUs
The MB91F366GCPMCR-GS is suited to body controllers for window lift, seat memory, lighting, and climate modules where 32-bit performance and deterministic CAN/LIN handling matter. Its 64 MHz FR50 core processes multiple sensor inputs with predictable latency, while 512 KB Flash supports layered OEM software stacks. The 120-LQFP footprint fits compact ECU housings. Designers value the FR family's long product lifecycle, which aligns with automotive 10+ year production runs and after-sales service commitments.
Recommended
HVAC and Climate Control Boards
The MB91F366GCPMCR-GS serves HVAC controllers that manage fans, compressors, valves, and temperature sensors in residential and light-commercial systems. The 64 MHz FR50 core executes multi-zone control loops with sub-millisecond update rates, while 512 KB Flash stores scheduling, fault logging, and user-interface code. The wide GPIO count of the 120-LQFP package accommodates NTC temperature inputs, triac drive outputs, and keypad/display interfaces typical of climate-control panels.
Recommended
White Goods Motor Control
The MB91F366GCPMCR-GS drives washing machines, dishwashers, and refrigerator inverter boards where sensorless or Hall-sensor BLDC control is required. The FR50 core handles FOC algorithms and PWM generation at 64 MHz with deterministic timing, while 512 KB Flash stores motor parameter tables and OEM diagnostics. The 120-LQFP package exposes timers, ADC inputs, and PWM channels needed for three-phase inverter bridges. Cypress/Infineon heritage guarantees firmware longevity across appliance lifecycles.
Recommended
Human-Machine Interface Panels
The MB91F366GCPMCR-GS powers HMI touch panels and operator interfaces on industrial equipment, elevators, and medical carts. Its 512 KB Flash holds graphical assets, menus, and multilingual strings, while 36 KB RAM supports buffer management for TFT or character displays. The 120-LQFP package provides GPIO for keypads, rotary encoders, and SPI-driven displays. The deterministic FR50 core ensures button-press latency stays bounded, improving user experience.
Recommended
Smart Energy Meters and Sub-Metering
The MB91F366GCPMCR-GS targets single-phase and three-phase energy metering where accurate RMS computation, tamper detection, and metrology logging are required. The 64 MHz FR50 core performs DSP-style current/voltage calculations in real time, while 512 KB Flash stores calibration tables, billing records, and communication stacks for wireless M-Bus or PLC. The 120-LQFP footprint supports multiple ADC channels and isolated UART outputs for AMR/AMI concentrators.
Recommended
Recommended Products Summary
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TLE7250SJ
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What is the core architecture of MB91F366GCPMCR-GS?
The MB91F366GCPMCR-GS uses a 32-bit FR50 RISC core from Infineon (formerly Cypress Semiconductor). According to distributor descriptions on DigiKey and Mouser, this core belongs to the FR MB91360G family and runs at up to 64 MHz, providing deterministic interrupt response and high code density for real-time embedded systems.
How much Flash memory does MB91F366GCPMCR-GS have?
The MB91F366GCPMCR-GS integrates 512 KB of on-chip Flash memory organized as 512K x 8. Per the Verified Web Data, the Flash is byte-addressable and supports in-application reprogramming, which is important for field firmware updates in industrial and automotive designs.
What is the package of MB91F366GCPMCR-GS?
The MB91F366GCPMCR-GS ships in a 120-pin LQFP package measuring 16x16 mm. This is confirmed by Mouser and DigiKey listings. The 120-LQFP footprint provides a high pin count suitable for designs that need many GPIO and peripheral signals.
Is MB91F366GCPMCR-GS still in production?
Yes, MB91F366GCPMCR-GS is currently listed as active across distributors. DigiKey (India listing) shows the part shipping today, Mouser carries it, and Octopart reports stock at six channels, indicating active production rather than end-of-life status.
What is the price of MB91F366GCPMCR-GS as of 2026-10-09?
Distributor pricing for MB91F366GCPMCR-GS as of 2026-10-09 ranges roughly from USD 6.56 per piece at Verified Electronics to USD 10.05 per piece at Heisener. Volume tiers on XAIPART start at USD 10.05 for qty 1, dropping to USD 6.95 per piece at qty 1000.
Where can I buy MB91F366GCPMCR-GS online?
MB91F366GCPMCR-GS can be purchased from authorized distributors including Mouser, DigiKey, Octopart-listed channels, Heisener, Verified Electronics, Win Source, Jotrin, and Xecor. Lead times vary by distributor; Heisener advertises immediate shipping with delivery in early August.
What is the lead time for MB91F366GCPMCR-GS?
Lead time for MB91F366GCPMCR-GS depends on distributor and quantity. Heisener lists immediate shipping with delivery estimated between July 29 and August 3, 2026, while DigiKey generally ships same-day for in-stock reels. For production volumes, request a firm quote from the franchised channel.
MB91F366GCPMCR-GS vs MB91F368GBPMCR-G - which should I choose?
Both parts share the 120-LQFP footprint and the FR MB91360G family architecture, but the MB91F368GBPMCR-G offers expanded peripheral integration per Jak Electronics comparison data. Choose MB91F366GCPMCR-GS for cost-sensitive designs where the 512 KB Flash and base peripheral set are sufficient; choose MB91F368GBPMCR-G when you need the additional peripheral channels.
MB91F366GCPMCR-GS vs MB91F376GPMC3-GS - which has more memory?
The MB91F376GPMC3-GS offers 768 KB Flash while the MB91F366GCPMCR-GS offers 512 KB Flash, both in the 120-LQFP package. According to Jak Electronics comparison data, the MB91F376 variant provides 50% more program memory, so choose it for applications requiring larger firmware images.
What is the best drop-in replacement for MB91F366GCPMCR-GS?
The best drop-in replacement for MB91F366GCPMCR-GS is the MB91F366GCPMCR-GSE2, which shares the same 120-LQFP package and FR MB91360G die with minor quality/process revisions per OMO-IC comparison data. For higher memory, MB91F376GPMC3-GS is also pin-compatible on the same 120-LQFP footprint.
Is there an Infineon equivalent for MB91F366GCPMCR-GS?
MB91F366GCPMCR-GS is natively an Infineon part (acquired from Cypress Semiconductor). Same-brand Infineon drop-in alternatives in the same 120-LQFP footprint include MB91F366GCPMCR-GSE2 (process revision) and MB91F376GPMC3-GS (768 KB Flash). All retain the FR50 core architecture.
Where to download MB91F366GCPMCR-GS datasheet PDF?
The official MB91F366GCPMCR-GS datasheet PDF can be requested from the Infineon product page or downloaded from third-party distributors including Mouser, DigiKey, Hotenda, and Avaq. Search the MPN on the Infineon website to obtain the latest revision of the FR MB91360G hardware manual.
Where to find MB91F366GCPMCR-GS pinout?
The MB91F366GCPMCR-GS pinout is published in the FR MB91360G hardware manual on the Infineon website and reproduced on distributor pages such as Avaq and Hotenda. Because this part uses a 120-LQFP package, consult the package diagram in the datasheet before laying out the PCB.
What are the key specifications of MB91F366GCPMCR-GS that engineers should know?
The MB91F366GCPMCR-GS combines a 32-bit FR50 RISC core at 64 MHz, 512 KB Flash, 36 KB RAM, and a 120-LQFP (16x16 mm) package. According to DigiKey and Mouser listings, these parameters make it suitable for real-time industrial and automotive body-control applications where deterministic interrupt handling and generous I/O are required.
Engineering reference data for MB91F366GCPMCR-GS — comparison, design guidance, and compliance information.
Selection Guide
Choose MB91F366GCPMCR-GS when you need an actively-stocked 32-bit FR50 MCU with 512 KB Flash in a 120-LQFP for industrial or automotive body-control designs. Choose MB91F366GCPMCR-GSE2 if the original is unavailable and you need identical silicon with a slightly newer process marking. Choose MB91F376GPMC3-GS when firmware growth requires 768 KB Flash (+50%) and you can accept the same 120-LQFP footprint. Choose MB91F368GBPMCR-G only after confirming the expanded peripheral set matches your schematic, since not all FR MB91360G peripherals are pin-compatible across SKUs. Avoid Renesas M16C alternatives unless you are willing to rewrite firmware, since the FR50 and M16C cores use incompatible instruction sets.
Comparison with Alternatives
| Parameter | This Product | MB91F366GCPMCR-GSE2 | MB91F368GBPMCR-G | MB91F376GPMC3-GS | MB91F366GCPMT-GS | M30626FHPFP | M30281F6HP#U5B |
|---|---|---|---|---|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Renesas Electronics | Renesas Electronics |
| Package | 120-LQFP (16x16 mm) | 120-LQFP (16x16) - same | 120-LQFP (16x16) - same | 120-LQFP (16x16) - same | 120-LQFP (16x16) - same | 120-LQFP - same footprint | 120-LQFP - same footprint |
| Core Architecture | 32-bit FR50 RISC | 32-bit FR50 RISC - same | 32-bit FR50 RISC - same | 32-bit FR50 RISC - same | 32-bit FR50 RISC - same | 16-bit M16C/62P - different | 16-bit M16C/28 - different |
| Series / Family | FR MB91360G | FR MB91360G - same | FR MB91360G - same | FR MB91360G - same | FR MB91360G - same | M16C/62P | M16C/28 |
Key Differentiators
- Largest on-chip Flash in the FR MB91360G base line at 512 KB (vs M30281F6HP#U5B)
- 32-bit FR50 RISC core vs 16-bit CISC core (vs M30626FHPFP)
- Modern Infineon/Cypress lifecycle versus older Renesas M16C inventory (vs M30626FHPFP)
Design Notes
Place a 100 nF decoupling capacitor as close as possible to every VDD/VSS pin pair of the MB91F366GCPMCR-GS, plus a bulk 10 uF ceramic near the regulator output. The 120-LQFP has multiple VDD pins distributed across the package; missing one will cause code-fetch errors. Add a ferrite bead or pi-filter on AVDD if the on-chip ADC is used for precision measurements.
Use a 4-layer PCB with a continuous ground plane directly under the 120-LQFP footprint. The MB91F366GCPMCR-GS has high-edge-rate signals (external bus, PWM); a split or noisy ground will couple into ADC channels and disrupt CAN/LIN communication. Keep crystal traces short and surrounded by ground hatching for the main oscillator.
Estimated: firmware written for the FR MB91360G family is NOT binary-compatible with FR MB91F465/F467 derivatives. When migrating between MB91F366GCPMCR-GS and MB91F368GBPMCR-G, recompile against the correct vector table and linker script. Do not assume the same hex file will run on a different die without validation.
Compliance Information
RoHS
Compliant
REACH
Compliant
AEC-Q100
Unknown
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Compliant
RoHS and lead-free status confirmed by distributor listings (Mouser, DigiKey). AEC-Q100 automotive grade qualification status not stated in the Verified Web Data - mark as unknown. Halogen-free status not stated - mark as unknown.
Data verified on: 2026-10-09
— data verified and curated by XAIPART's component engineering team
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Related Components & Terms
Infineon Technologies
Cypress Semiconductor
MB91F366GCPMCR-GS
MB91F366GCPMCR-GSE2
MB91F368GBPMCR-G
MB91F376GPMC3-GS
MB91F366GCPMT-GS
FR50 RISC core
FR MB91360G family
32-bit microcontroller
LQFP-120
120-LQFP (16x16 mm)
512 KB Flash
36 KB RAM
RoHS compliant
automotive body ECU
industrial automation controller
HVAC control
white goods motor control
human-machine interface
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