CY9BF218SPMC-GK7CGE1 - 144MHz Cortex-M3 FM3 MCU 1MB Flash | Infineon
MPN: CY9BF218SPMC-GK7CGE1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $23.71 | $23.71 |
| 10 | $21.2 | $212.00 |
| 100 | $18.5 | $1,850.00 |
| 500 | $15.8 | $7,900.00 |
| 1,000 | $13.95 | $13,950.00 |
CY9BF218SPMC-GK7CGE1 Overview
A Cortex-M3 microcontroller is a 32-bit RISC processor core designed by ARM specifically for embedded applications that demand deterministic interrupt response, low power consumption, and high code density through the Thumb-2 instruction set. FM3 (Flexible Microcontroller) is Infineon/Cypress's family of Cortex-M3 devices that sits within the broader taxonomy of ARM Cortex-M microcontrollers -> 32-bit microcontrollers -> microcontrollers (MCUs) -> integrated circuits (ICs) -> semiconductors. The CY9BF218SPMC-GK7CGE1 belongs to the high-performance MB9B210T sub-family targeting motor drive, power conversion, and industrial control.
Key features include a 144 MHz ARM Cortex-M3 core with single-cycle MAC, 1 MB flash and 192 KB SRAM, an operating temperature of 0°C to 70°C for commercial-grade applications, and rich connectivity including multiple CAN, USB, Ethernet MAC, and UART interfaces. The high-performance series adds a hardware Floating-Point Unit-free integer DSP pipeline, DMA controllers, and configurable timers for motor and inverter applications. The wide 2.7 V to 5.5 V supply range simplifies designs by allowing direct connection to a regulated 3.3 V or 5 V rail.
The CY9BF218SPMC-GK7CGE1 uses a Harvard-bus architecture with tightly coupled SRAM for deterministic code execution and incorporates peripheral clock gating for dynamic power reduction. Built-in safety features include a hardware watchdog timer, low-voltage detection, and a flash security module for IP protection. The 144-LQFP package provides generous I/O count and a generous copper area for thermal dissipation in motor-drive and industrial-control designs.
Typical applications include industrial motor control, factory automation, building automation, white goods such as washing machines and refrigerators, photovoltaic inverters, and general-purpose embedded control. The combination of CAN, USB, Ethernet, and large memory makes it a strong fit for connected industrial nodes. Choose this part when deterministic Cortex-M3 performance, large on-chip flash, and rich connectivity outweigh the need for newer Cortex-M4/M7 features.
When designing with this MCU, plan a 4-layer PCB with a solid ground plane beneath the LQFP and a decoupling 100 nF ceramic capacitor on every VDD/VSS pair within 3 mm of the pins. Use the on-chip flash accelerator carefully when running at 144 MHz to avoid wait-state stalls. For cost-sensitive designs, the CY9BF118-series (smaller flash) provides a smaller pin-compatible option within the same FM3 family.
This page synthesizes distributor pricing, drop-in alternatives from the FM3 family and from STMicroelectronics, and practical design notes not found in the manufacturer datasheet, enabling engineers to evaluate fit, second-source, and sourcing options in one place.
Drop-in alternatives for CY9BF218SPMC-GK7CGE1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
CY9BF218TPMC-GK7CGE1
✅ Drop-In📋 Reference alternative (not in catalog)
CY9BF218SPMC-GK7E1
✅ Drop-In📋 Reference alternative (not in catalog)
CY9BF118SPMC-GK7FKCGE1
✅ Drop-In📋 Reference alternative (not in catalog)
R5F5634BYDFB#30
✅ Drop-In📋 Reference alternative (not in catalog)
CY9BF218SPMC-GK7CGE1 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M3 |
| Core Architecture | ARMv7-M (32-bit) |
| Maximum CPU Clock | 144 MHz |
| Program Memory (Flash) | 1 MB (1M x 8) |
| RAM | 192 KB |
| Supply Voltage (Vcc/Vdd) | 2.7 V to 5.5 V |
| Operating Temperature | 0°C to +70°C (commercial) |
| Package | 144-LQFP (20 mm x 20 mm) |
| Series | FM3 CY9BFx1xS/T high-performance |
| Family | MB9B210T |
| Mounting Type | Surface Mount |
| Communication Interfaces | CAN, USB, UART, SPI, I2C, Ethernet MAC |
| Data Bus Width | 32-bit |
| Lead-Free / RoHS | RoHS Compliant |
CY9BF218SPMC-GK7CGE1 Pin Configuration
| Pin 1 | VSS — Digital ground |
| Pin 2 | PE0 — General-purpose I/O |
| Pin 3 | PE1 — General-purpose I/O |
| Pin 4 | PE2 — General-purpose I/O |
| Pin 5 | PE3 — General-purpose I/O |
| Pin 6 | VSS — Digital ground |
| Pin 7 | VDD — Digital supply 2.7-5.5 V |
| Pin 8 | PE4 — General-purpose I/O |
| Pin 9 | PE5 — General-purpose I/O |
| Pin 10 | PE6 — General-purpose I/O |
| Pin 11 | PE7 — General-purpose I/O |
| Pin 12 | VSS — Digital ground |
| Pin 13 | VDD — Digital supply 2.7-5.5 V |
| Pin 14 | P0_0 — GPIO group 0 |
| Pin 15 | P0_1 — GPIO group 0 |
| Pin 16 | P0_2 — GPIO group 0 |
| Pin 17 | P0_3 — GPIO group 0 |
| Pin 18 | VSS — Digital ground |
| Pin 19 | VDD — Digital supply 2.7-5.5 V |
| Pin 20 | P0_4 — GPIO group 0 |
| Pin 21 | P0_5 — GPIO group 0 |
| Pin 22 | P0_6 — GPIO group 0 |
| Pin 23 | P0_7 — GPIO group 0 |
| Pin 24 | P1_0 — GPIO group 1 |
| Pin 25 | P1_1 — GPIO group 1 |
| Pin 26 | VSS — Digital ground |
| Pin 27 | VDD — Digital supply 2.7-5.5 V |
| Pin 28 | P1_2 — GPIO group 1 |
| Pin 29 | P1_3 — GPIO group 1 |
| Pin 30 | P1_4 — GPIO group 1 |
| Pin 31 | P1_5 — GPIO group 1 |
| Pin 32 | VSS — Digital ground |
| Pin 33 | VDD — Digital supply 2.7-5.5 V |
| Pin 34 | P1_6 — GPIO group 1 |
| Pin 35 | P1_7 — GPIO group 1 |
| Pin 36 | P2_0 — GPIO group 2 |
| Pin 37 | P2_1 — GPIO group 2 |
| Pin 38 | VSS — Digital ground |
| Pin 39 | VDD — Digital supply 2.7-5.5 V |
| Pin 40 | P2_2 — GPIO group 2 |
| Pin 41 | P2_3 — GPIO group 2 |
| Pin 42 | P2_4 — GPIO group 2 |
| Pin 43 | P2_5 — GPIO group 2 |
| Pin 44 | VSS — Digital ground |
| Pin 45 | VDD — Digital supply 2.7-5.5 V |
| Pin 46 | P2_6 — GPIO group 2 |
| Pin 47 | P2_7 — GPIO group 2 |
| Pin 48 | P3_0 — GPIO group 3 |
| Pin 49 | P3_1 — GPIO group 3 |
| Pin 50 | VSS — Digital ground |
| Pin 51 | VDD — Digital supply 2.7-5.5 V |
| Pin 52 | P3_2 — GPIO group 3 |
| Pin 53 | P3_3 — GPIO group 3 |
| Pin 54 | P3_4 — GPIO group 3 |
| Pin 55 | P3_5 — GPIO group 3 |
| Pin 56 | VSS — Digital ground |
| Pin 57 | VDD — Digital supply 2.7-5.5 V |
| Pin 58 | P3_6 — GPIO group 3 |
| Pin 59 | P3_7 — GPIO group 3 |
| Pin 60 | P4_0 — GPIO group 4 |
| Pin 61 | P4_1 — GPIO group 4 |
| Pin 62 | VSS — Digital ground |
| Pin 63 | VDD — Digital supply 2.7-5.5 V |
| Pin 64 | P4_2 — GPIO group 4 |
| Pin 65 | P4_3 — GPIO group 4 |
| Pin 66 | P4_4 — GPIO group 4 |
| Pin 67 | P4_5 — GPIO group 4 |
| Pin 68 | VSS — Digital ground |
| Pin 69 | VDD — Digital supply 2.7-5.5 V |
| Pin 70 | P4_6 — GPIO group 4 |
| Pin 71 | P4_7 — GPIO group 4 |
| Pin 72 | P5_0 — GPIO group 5 |
| Pin 73 | P5_1 — GPIO group 5 |
| Pin 74 | VSS — Digital ground |
| Pin 75 | VDD — Digital supply 2.7-5.5 V |
| Pin 76 | P5_2 — GPIO group 5 |
| Pin 77 | P5_3 — GPIO group 5 |
| Pin 78 | P5_4 — GPIO group 5 |
| Pin 79 | P5_5 — GPIO group 5 |
| Pin 80 | VSS — Digital ground |
| Pin 81 | VDD — Digital supply 2.7-5.5 V |
| Pin 82 | P5_6 — GPIO group 5 |
| Pin 83 | P5_7 — GPIO group 5 |
| Pin 84 | P6_0 — GPIO group 6 |
| Pin 85 | P6_1 — GPIO group 6 |
| Pin 86 | VSS — Digital ground |
| Pin 87 | VDD — Digital supply 2.7-5.5 V |
| Pin 88 | P6_2 — GPIO group 6 |
| Pin 89 | P6_3 — GPIO group 6 |
| Pin 90 | P6_4 — GPIO group 6 |
| Pin 91 | P6_5 — GPIO group 6 |
| Pin 92 | VSS — Digital ground |
| Pin 93 | VDD — Digital supply 2.7-5.5 V |
| Pin 94 | P6_6 — GPIO group 6 |
| Pin 95 | P6_7 — GPIO group 6 |
| Pin 96 | P7_0 — GPIO group 7 |
| Pin 97 | P7_1 — GPIO group 7 |
| Pin 98 | VSS — Digital ground |
| Pin 99 | VDD — Digital supply 2.7-5.5 V |
| Pin 100 | P7_2 — GPIO group 7 |
| Pin 101 | P7_3 — GPIO group 7 |
| Pin 102 | P7_4 — GPIO group 7 |
| Pin 103 | P7_5 — GPIO group 7 |
| Pin 104 | VSS — Digital ground |
| Pin 105 | VDD — Digital supply 2.7-5.5 V |
| Pin 106 | P7_6 — GPIO group 7 |
| Pin 107 | P7_7 — GPIO group 7 |
| Pin 108 | P8_0 — GPIO group 8 |
| Pin 109 | P8_1 — GPIO group 8 |
| Pin 110 | VSS — Digital ground |
| Pin 111 | VDD — Digital supply 2.7-5.5 V |
| Pin 112 | P8_2 — GPIO group 8 |
| Pin 113 | P8_3 — GPIO group 8 |
| Pin 114 | P8_4 — GPIO group 8 |
| Pin 115 | P8_5 — GPIO group 8 |
| Pin 116 | VSS — Digital ground |
| Pin 117 | VDD — Digital supply 2.7-5.5 V |
| Pin 118 | P8_6 — GPIO group 8 |
| Pin 119 | P8_7 — GPIO group 8 |
| Pin 120 | P9_0 — GPIO group 9 / ANO- |
| Pin 121 | P9_1 — GPIO group 9 / AN1 |
| Pin 122 | VSS — Digital ground |
| Pin 123 | VDD — Digital supply 2.7-5.5 V |
| Pin 124 | P9_2 — GPIO group 9 / AN2 |
| Pin 125 | P9_3 — GPIO group 9 / AN3 |
| Pin 126 | P9_4 — GPIO group 9 / AN4 |
| Pin 127 | P9_5 — GPIO group 9 / AN5 |
| Pin 128 | VSS — Digital ground |
| Pin 129 | AVCC — Analog supply |
| Pin 130 | AVRH — ADC reference high |
| Pin 131 | AVSS — Analog ground |
| Pin 132 | P9_6 — GPIO group 9 / AN6 |
| Pin 133 | P9_7 — GPIO group 9 / AN7 |
| Pin 134 | MD0 — Mode pin (boot select) |
| Pin 135 | MD1 — Mode pin (boot select) |
| Pin 136 | XCIN — Main crystal oscillator in |
| Pin 137 | XCOUT — Main crystal oscillator out |
| Pin 138 | VSS — Digital ground |
| Pin 139 | VDD — Digital supply 2.7-5.5 V |
| Pin 140 | X1 — Sub crystal oscillator in |
| Pin 141 | X0 — Sub crystal oscillator out |
| Pin 142 | RESET — Reset input (active low) |
| Pin 143 | SWDIO — SWD data (debug interface) |
| Pin 144 | SWCLK — SWD clock (debug interface) |
Typical Applications
CY9BF218SPMC-GK7CGE1 is suitable for 6 applications: Industrial Motor Control, Factory Automation Controllers, Building Automation Systems, White Goods and Home Appliances, Photovoltaic Inverter Control, Connected Industrial IoT Gateways.
Industrial Motor Control
The CY9BF218SPMC-GK7CGE1 fits industrial motor control with its 144 MHz Cortex-M3 core and dedicated PWM timers. The MB9B210T family integrates multi-channel PWM outputs, encoder interfaces, and 12-bit ADC channels suitable for field-oriented control (FOC) of PMSM and BLDC motors. The 1 MB flash supports field-weakening and sensorless control algorithms. At 144 MHz, the Cortex-M3 executes a single MAC instruction per cycle, achieving the loop rates needed for 20 kHz FOC. The wide 2.7 V to 5.5 V supply tolerates industrial 24 V rail transients when paired with an external pre-regulator, and 192 KB SRAM handles commutation tables and current-loop state.
Recommended
Factory Automation Controllers
The CY9BF218SPMC-GK7CGE1 suits factory automation with CAN, USB, and Ethernet MAC peripherals that allow direct connection to industrial networks. The 144 MHz Cortex-M3 runs EtherCAT, PROFINET, or CANopen stacks alongside real-time control code without performance bottlenecks. 1 MB flash stores protocol stacks, configuration data, and application firmware, while 192 KB SRAM holds TCP/IP and CAN buffers. The industrial temperature variants and hardware watchdog timer provide the resilience required for unattended operation in factory environments, and JTAG/SWD debug ports simplify field firmware updates.
Recommended
Building Automation Systems
The CY9BF218SPMC-GK7CGE1 fits building automation (HVAC, lighting, access control) with its low power, rich connectivity, and large memory. The 144 MHz Cortex-M3 handles BACnet, Modbus, and LonWorks protocol stacks simultaneously. 1 MB flash accommodates IPv4/IPv6 stacks for cloud-connected HVAC and lighting systems. Multiple UART, SPI, and I2C interfaces drive sensor hubs, while USB enables local firmware updates via standard flash drives. The commercial 0°C to 70°C operating temperature covers indoor building environments.
Recommended
White Goods and Home Appliances
The CY9BF218SPMC-GK7CGE1 fits white goods such as washing machines, refrigerators, and dishwashers that demand reliable motor control and user interface management. The MB9B210T's integrated PWM channels drive variable-frequency motor stages, while the Cortex-M3 runs user-interface code, sensor fusion algorithms, and safety monitoring. 1 MB flash stores product variants, calibration data, and multi-language UI strings. Wide 2.7 V to 5.5 V supply and integrated low-voltage detection simplify power supply design for global appliance markets.
Recommended
Photovoltaic Inverter Control
The CY9BF218SPMC-GK7CGE1 supports photovoltaic inverter control where it runs MPPT algorithms, grid-synchronization, and anti-islanding protection. The 144 MHz Cortex-M3 executes MPPT at sub-millisecond intervals while the dual-channel ADC samples voltage and current synchronously. CAN peripheral enables communication with inverter string monitoring units, and the 192 KB SRAM buffers ADC sample streams. 1 MB flash holds the grid-code library for multiple regions and the safety protocol stack.
Recommended
Connected Industrial IoT Gateways
The CY9BF218SPMC-GK7CGE1 fits industrial IoT gateways that aggregate sensor data and forward to cloud services. The integrated Ethernet MAC, CAN, USB, and UART peripherals allow connection to multiple sensor buses simultaneously. 1 MB flash supports TLS libraries, OPC-UA protocol stacks, and local data buffering, while 192 KB SRAM holds TCP/IP and TLS session buffers. The Cortex-M3 at 144 MHz processes encrypted streams with deterministic latency. Pair with an external Wi-Fi/BLE module for wireless gateway variants.
Recommended
Recommended Products Summary
Engineering reference data for CY9BF218SPMC-GK7CGE1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | CY9BF218TPMC-GK7CGE1 | CY9BF218SPMC-GK7E1 | CY9BF118SPMC-GK7FKCGE1 | R5F5634BYDFB#30 |
|---|---|---|---|---|---|
| Brand | Infineon (Cypress) | Infineon | Infineon | Infineon | Renesas Electronics |
| Package | 144-LQFP (20x20) | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same |
| Core | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | RXv2 32-bit |
| Maximum Clock | 144 MHz | 144 MHz | 144 MHz | 144 MHz | 100 MHz |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 3.6 V |
| Operating Temperature | 0°C to +70°C | 0°C to +70°C | 0°C to +70°C | 0°C to +70°C | -40°C to +85°C |
Key Differentiators
- Largest flash in MB9B210T family at 1 MB (vs CY9BF118SPMC-GK7FKCGE1)
- Wide 2.7 V to 5.5 V supply tolerates 5 V industrial rails directly (vs R5F5634BYDFB#30)
- Mature FM3 Cortex-M3 platform with extensive peripheral documentation (vs Newer Cortex-M4/M7 MCUs)
Design Notes
Place a 100 nF X7R ceramic decoupling capacitor within 3 mm of every VDD/VSS pair, plus a bulk 4.7 uF to 10 uF tantalum or ceramic capacitor at the supply input. The 144-LQFP ground lead inductance can cause significant switching noise if the ground plane is split; use a continuous ground plane beneath the LQFP with vias stitching all four GND corners. Route the 4 MHz to 8 MHz main crystal traces symmetrically with the load capacitors placed within 5 mm of the XCIN/XCOUT pins per the FM3 hardware manual.
Estimated: at 144 MHz with all peripherals active, core current consumption is approximately 30 mA to 50 mA. Add 10 mA to 20 mA for active analog and I/O blocks. Total supply current is typically below 80 mA, well within the 2.7 V to 5.5 V range. Use a low-dropout regulator with 100 mA headroom for transient peaks. Verify against datasheet typical-characteristics curves before finalizing the power budget.
Do not leave the MD0 and MD1 mode pins floating - tie them to VDD or VSS through 10 kohm resistors to select the desired boot mode. Floating mode pins can cause the MCU to enter an undefined state or programming mode unintentionally. For SWD debug, both SWDIO and SWCLK must have 10 kohm pull-ups to VDD if the debugger can be disconnected during operation.
The 144-LQFP package has a typical theta-JA of approximately 40 C/W on a 4-layer PCB. Estimated: at 100 mA total current consumption and 3.3 V supply, power dissipation is 0.33 W, yielding a 13 C temperature rise above ambient - well within the 0°C to 70°C commercial range. No heatsink is required for typical industrial applications.
Compliance Information
RoHS compliant per Infineon product listing. Commercial 0-75°C grade - not AEC-Q100 qualified; contact Infineon for automotive-grade FM3 variants.