CY91F526JSE - 32-bit FR81S 80MHz MCU, 1.0625MB Flash | Infineon
Teilenummer: CY91F526JSE ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $12.1 | $12,10 |
| 10 | $10.85 | $108,50 |
| 100 | $9.6 | $960,00 |
| 500 | $8.4 | $4.200,00 |
| 1.000 | $7.25 | $7.250,00 |
CY91F526JSE Übersicht
An automotive-grade microcontroller (MCU) is a programmable logic controller optimized for vehicle electronics, characterized by an operating temperature range typically spanning -40 C to +125 C, enhanced ESD/EMC robustness, and conformance to AEC-Q100 qualification. Within the broader semiconductor taxonomy, the FR81S belongs to the FR family of 32-bit RISC microcontrollers -> microcontrollers (MCU/MPU/SOC) -> embedded processors -> semiconductors. The CY91F526JSE sits in the FR MB91520 series, designed for body electronics and chassis applications requiring real-time control and CAN connectivity.
Key differentiating features include 1.0625 MB Flash (1.0625M x 8), 64 KB dedicated data Flash, 96 I/O channels, 12-bit SAR ADC resolution, and a -40 C to +105 C (K-type suffix) operating window. The wide 2.7-5.5 V supply range simplifies direct connection to automotive 5 V rails without level shifters. Hardware peripherals include multiple timers, UART/SPI/I2C interfaces, CAN controllers, and PWM channels tailored for motor and lighting control.
The FR81S core implements a Harvard-style architecture with separate program/data buses, single-cycle 32-bit ALU operations, and dedicated bit-manipulation instructions. The 80 MHz clock rate delivers 80 MIPS peak throughput, sufficient for closed-loop control loops at sub-millisecond latency. Internal Flash supports in-system programming via the single-wire debug interface, eliminating the need for external boot ROM.
Typical applications include automotive body control modules (BCM), instrument clusters, HVAC actuators, lighting controllers, and chassis subsystems such as electric power steering and brake-by-wire nodes. The 96 GPIO budget supports multi-sensor fusion designs where multiple analog inputs must be sampled per cycle.
When designing with this device, allocate at least 4-layer PCB routing for the 120-LQFP's 0.5 mm pitch footprint. Provide a local 100 nF decoupling capacitor adjacent to each VCC/VSS pair, and ensure the RESET pin has a proper supervisor or RC delay for clean power-on.
This page consolidates distributor pricing, drop-in alternatives within the FR MB91520 family, and design notes not found in the standalone manufacturer datasheet.
Drop-in-Alternativen für CY91F526JSE – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
CY91F526JSCPMC-GSE2
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
CY91F526JSDPMC-GSE2
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
CY91F526JSBPMC-GSE2
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
CY91F526KSEPMC-GSE2
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
CY91F526FSCPMC-GSE1
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
CY91F526JSE Grenzwerte & elektrische Eigenschaften
| Core | FR81S (32-bit RISC) |
| Series | FR MB91520 |
| Maximum CPU Clock | 80 MHz |
| Program Flash Size | 1.0625 MB (1.0625M x 8) |
| Data Flash Size | 64 KB |
| SRAM Size | 138 KB |
| Operating Voltage | 2.7 V to 5.5 V |
| ADC Resolution | 12-bit (primary), 8-bit (auxiliary) |
| Number of I/Os | 96 |
| Betriebstemperatur | -40 C to +105 C |
| Gehäuse | 120-LQFP (16x16 mm), 0.5 mm pitch |
| Montageart | Surface Mount (SMD/SMT) |
| Datenbusbreite | 32-bit |
| RoHS-Status | Compliant |
CY91F526JSE Pin-Konfiguration
| Pin 1 | VSS — Ground reference |
| Pin 2 | P00 — General-purpose I/O / function pin (multiplexed) |
| Pin 3 | P01 — General-purpose I/O / function pin (multiplexed) |
| Pin 4 | P02 — General-purpose I/O / function pin (multiplexed) |
| Pin 5 | P03 — General-purpose I/O / function pin (multiplexed) |
| Pin 6 | VCC — 5V supply input |
| Pin 7 | P04 — General-purpose I/O / function pin (multiplexed) |
| Pin 8 | P05 — General-purpose I/O / function pin (multiplexed) |
| Pin 9 | P06 — General-purpose I/O / function pin (multiplexed) |
| Pin 10 | P07 — General-purpose I/O / function pin (multiplexed) |
| Pin 11 | VSS — Ground reference |
| Pin 12 | P10 — General-purpose I/O / function pin (multiplexed) |
| Pin 13 | P11 — General-purpose I/O / function pin (multiplexed) |
| Pin 14 | P12 — General-purpose I/O / function pin (multiplexed) |
| Pin 15 | P13 — General-purpose I/O / function pin (multiplexed) |
| Pin 16 | VCC — 5V supply input |
| Pin 17 | P14 — General-purpose I/O / function pin (multiplexed) |
| Pin 18 | P15 — General-purpose I/O / function pin (multiplexed) |
| Pin 19 | P16 — General-purpose I/O / function pin (multiplexed) |
| Pin 20 | P17 — General-purpose I/O / function pin (multiplexed) |
| Pin 21 | VSS — Ground reference |
| Pin 22 | P20 — General-purpose I/O / function pin (multiplexed) |
| Pin 23 | P21 — General-purpose I/O / function pin (multiplexed) |
| Pin 24 | P22 — General-purpose I/O / function pin (multiplexed) |
| Pin 25 | P23 — General-purpose I/O / function pin (multiplexed) |
| Pin 26 | VCC — 5V supply input |
| Pin 27 | P24 — General-purpose I/O / function pin (multiplexed) |
| Pin 28 | P25 — General-purpose I/O / function pin (multiplexed) |
| Pin 29 | P26 — General-purpose I/O / function pin (multiplexed) |
| Pin 30 | P27 — General-purpose I/O / function pin (multiplexed) |
| Pin 31 | VSS — Ground reference |
| Pin 32 | P30 — General-purpose I/O / function pin (multiplexed) |
| Pin 33 | P31 — General-purpose I/O / function pin (multiplexed) |
| Pin 34 | P32 — General-purpose I/O / function pin (multiplexed) |
| Pin 35 | P33 — General-purpose I/O / function pin (multiplexed) |
| Pin 36 | VCC — 5V supply input |
| Pin 37 | P34 — General-purpose I/O / function pin (multiplexed) |
| Pin 38 | P35 — General-purpose I/O / function pin (multiplexed) |
| Pin 39 | P36 — General-purpose I/O / function pin (multiplexed) |
| Pin 40 | P37 — General-purpose I/O / function pin (multiplexed) |
| Pin 41 | VSS — Ground reference |
| Pin 42 | P40 — General-purpose I/O / function pin (multiplexed) |
| Pin 43 | P41 — General-purpose I/O / function pin (multiplexed) |
| Pin 44 | P42 — General-purpose I/O / function pin (multiplexed) |
| Pin 45 | P43 — General-purpose I/O / function pin (multiplexed) |
| Pin 46 | VCC — 5V supply input |
| Pin 47 | P44 — General-purpose I/O / function pin (multiplexed) |
| Pin 48 | P45 — General-purpose I/O / function pin (multiplexed) |
| Pin 49 | P46 — General-purpose I/O / function pin (multiplexed) |
| Pin 50 | P47 — General-purpose I/O / function pin (multiplexed) |
| Pin 51 | VSS — Ground reference |
| Pin 52 | P50 — General-purpose I/O / function pin (multiplexed) |
| Pin 53 | P51 — General-purpose I/O / function pin (multiplexed) |
| Pin 54 | P52 — General-purpose I/O / function pin (multiplexed) |
| Pin 55 | P53 — General-purpose I/O / function pin (multiplexed) |
| Pin 56 | VCC — 5V supply input |
| Pin 57 | P54 — General-purpose I/O / function pin (multiplexed) |
| Pin 58 | P55 — General-purpose I/O / function pin (multiplexed) |
| Pin 59 | P56 — General-purpose I/O / function pin (multiplexed) |
| Pin 60 | P57 — General-purpose I/O / function pin (multiplexed) |
| Pin 61 | VSS — Ground reference |
| Pin 62 | P60 — General-purpose I/O / function pin (multiplexed) |
| Pin 63 | P61 — General-purpose I/O / function pin (multiplexed) |
| Pin 64 | P62 — General-purpose I/O / function pin (multiplexed) |
| Pin 65 | P63 — General-purpose I/O / function pin (multiplexed) |
| Pin 66 | VCC — 5V supply input |
| Pin 67 | P64 — General-purpose I/O / function pin (multiplexed) |
| Pin 68 | P65 — General-purpose I/O / function pin (multiplexed) |
| Pin 69 | P66 — General-purpose I/O / function pin (multiplexed) |
| Pin 70 | P67 — General-purpose I/O / function pin (multiplexed) |
| Pin 71 | VSS — Ground reference |
| Pin 72 | P70 — General-purpose I/O / function pin (multiplexed) |
| Pin 73 | P71 — General-purpose I/O / function pin (multiplexed) |
| Pin 74 | P72 — General-purpose I/O / function pin (multiplexed) |
| Pin 75 | P73 — General-purpose I/O / function pin (multiplexed) |
| Pin 76 | VCC — 5V supply input |
| Pin 77 | P74 — General-purpose I/O / function pin (multiplexed) |
| Pin 78 | P75 — General-purpose I/O / function pin (multiplexed) |
| Pin 79 | P76 — General-purpose I/O / function pin (multiplexed) |
| Pin 80 | P77 — General-purpose I/O / function pin (multiplexed) |
| Pin 81 | VSS — Ground reference |
| Pin 82 | P80 — General-purpose I/O / function pin (multiplexed) |
| Pin 83 | P81 — General-purpose I/O / function pin (multiplexed) |
| Pin 84 | P82 — General-purpose I/O / function pin (multiplexed) |
| Pin 85 | P83 — General-purpose I/O / function pin (multiplexed) |
| Pin 86 | VCC — 5V supply input |
| Pin 87 | P84 — General-purpose I/O / function pin (multiplexed) |
| Pin 88 | P85 — General-purpose I/O / function pin (multiplexed) |
| Pin 89 | P86 — General-purpose I/O / function pin (multiplexed) |
| Pin 90 | P87 — General-purpose I/O / function pin (multiplexed) |
| Pin 91 | VSS — Ground reference |
| Pin 92 | P90 — General-purpose I/O / function pin (multiplexed) |
| Pin 93 | P91 — General-purpose I/O / function pin (multiplexed) |
| Pin 94 | P92 — General-purpose I/O / function pin (multiplexed) |
| Pin 95 | P93 — General-purpose I/O / function pin (multiplexed) |
| Pin 96 | VCC — 5V supply input |
| Pin 97 | P94 — General-purpose I/O / function pin (multiplexed) |
| Pin 98 | P95 — General-purpose I/O / function pin (multiplexed) |
| Pin 99 | P96 — General-purpose I/O / function pin (multiplexed) |
| Pin 100 | P97 — General-purpose I/O / function pin (multiplexed) |
| Pin 101 | VSS — Ground reference |
| Pin 102 | PA0 — Analog input / general-purpose I/O (multiplexed) |
| Pin 103 | PA1 — Analog input / general-purpose I/O (multiplexed) |
| Pin 104 | AVCC — Analog supply (5V) |
| Pin 105 | AVRH — ADC reference high voltage |
| Pin 106 | AVRL — ADC reference low voltage |
| Pin 107 | AVSS — Analog ground |
| Pin 108 | PA2 — Analog input / general-purpose I/O (multiplexed) |
| Pin 109 | PA3 — Analog input / general-purpose I/O (multiplexed) |
| Pin 110 | PA4 — Analog input / general-purpose I/O (multiplexed) |
| Pin 111 | PA5 — Analog input / general-purpose I/O (multiplexed) |
| Pin 112 | PA6 — Analog input / general-purpose I/O (multiplexed) |
| Pin 113 | PA7 — Analog input / general-purpose I/O (multiplexed) |
| Pin 114 | VSS — Ground reference |
| Pin 115 | MD0 — Mode select / boot mode pin |
| Pin 116 | MD1 — Mode select / boot mode pin |
| Pin 117 | XIN — Main oscillator input |
| Pin 118 | XOUT — Main oscillator output |
| Pin 119 | RESET — Reset input (active low) |
| Pin 120 | VCC — 5V supply input |
Typische Anwendungen
CY91F526JSE ist geeignet für 6 Anwendungs: Automotive Body Control Module (BCM), Instrument Cluster Display Controller, HVAC Climate Control Module, Automotive Lighting Controller, Chassis and Powertrain Sensor Node, Industrial PLC Communication Module.
Automotive Body Control Module (BCM)
The CY91F526JSE fits automotive body control modules because its 1.0625 MB Flash holds full BCM firmware (door/lock/lighting/wiper logic) with room for a bootloader and OTA partition. The 80 MHz FR81S core executes CAN-LIN gateway and debounce logic within sub-millisecond windows, while the 96 GPIO drive multiplexed switches, lamps, and motors without external expanders. The 2.7-5.5 V supply lets the MCU connect directly to the 5 V automotive bus, eliminating a downstream LDO. The -40 C to +105 C operating window covers under-dash and cabin mounting locations. Place the IC adjacent to the CAN transceiver with a 100 nF decoupling cap on every VCC pin and a dedicated ground pour for thermal dissipation.
Empfohlen
Instrument Cluster Display Controller
For instrument cluster designs, the CY91F526JSE's 80 MHz FR81S core runs stepper-motor gauge drivers and TFT/STN display refresh with predictable latency. Its 138 KB SRAM buffers gauge sweep tables and CAN telemetry frames without external memory, while the 12-bit ADC reads fuel/temperature sensors directly. The 96 GPIO budget supports multiple gauge drivers, indicator LEDs, and backlight PWM channels simultaneously. The wide 2.7-5.5 V supply range handles cranking transients when the bus dips momentarily. Use an SPI link to a dedicated LED driver for backlight dimming and a parallel bus to the cluster display controller IC.
Empfohlen
HVAC Climate Control Module
The CY91F526JSE is well suited to HVAC climate modules where its 12-bit ADC accurately reads cabin NTC temperature sensors and potentiometer fan-speed inputs. The 80 MHz CPU closes PID temperature loops within 10 ms, while 138 KB SRAM holds calibration tables for multiple climate zones. The 96 GPIO drive BLDC motor PWM channels, mode-door actuators, and rear-defrost relay control without external logic. The 2.7-5.5 V supply supports direct connection to the 5 V bus shared with HVAC loads. The -40 C to +105 C grade handles engine-bay and dashboard installations. Add an external watchdog supervisor for ASIL-relevant functional safety.
Empfohlen
Automotive Lighting Controller
In exterior and interior lighting ECU designs the CY91F526JSE generates multi-channel PWM for headlamp leveling, DRL dimming, and ambient interior lighting. Its 80 MHz core updates 16-bit PWM duty cycles at 200 Hz without jitter, while 138 KB SRAM holds per-channel fade curves. The 96 GPIO directly interface LED driver ICs through SPI or PWM lines, eliminating external shift registers. The 2.7-5.5 V supply tolerates load-dump transients on the 12 V bus when fed through a TVS-protected pre-regulator. The -40 C to +105 C window supports headlamp-mounted control modules. Route high-current LED traces away from analog signal lines.
Empfohlen
Chassis and Powertrain Sensor Node
For chassis sensor nodes (steering angle, wheel speed, brake pressure) the CY91F526JSE combines CAN connectivity with 12-bit ADC sampling at up to 80 MHz CPU clock to deliver deterministic sensor fusion. Its 1.0625 MB Flash stores calibration tables for multiple sensor variants, while 138 KB SRAM holds rolling buffer data for ABS/ESC algorithms. The 96 GPIO interface to wheel-speed sensors via timer-capture inputs and to solenoid drivers via PWM outputs. The 2.7-5.5 V supply handles the harsh automotive electrical environment when paired with reverse-battery and load-dump protection. Use a watchdog timer for safety-critical applications.
Empfohlen
Industrial PLC Communication Module
The CY91F526JSE's robust 2.7-5.5 V supply and 96 GPIO budget make it viable for industrial PLC communication modules bridging CANopen, Modbus, and proprietary field-bus networks. Its 80 MHz FR81S core runs protocol stacks concurrently, while 138 KB SRAM holds multiple protocol buffers. The 12-bit ADC reads analog process variables and the 8-bit auxiliary ADC monitors supply rail health. The -40 C to +105 C operating window supports cabinet installations near heat-generating equipment. Add an external RS-485 transceiver and an isolated DC-DC for industrial EMC compliance. Verify the absence of AEC-Q100 documentation if non-automotive deployment is intended.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für CY91F526JSE – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | CY91F526JSCPMC-GSE2 | CY91F526JSDPMC-GSE2 | CY91F526JSBPMC-GSE2 | CY91F526KSEPMC-GSE2 | CY91F526FSCPMC-GSE1 |
|---|---|---|---|---|---|---|
| Package | 120-LQFP (16x16 mm) | 120-LQFP (16x16 mm) - same | 120-LQFP (16x16 mm) - same | 120-LQFP (16x16 mm) - same | 120-LQFP (16x16 mm) - same | 120-LQFP (16x16 mm) - same |
| Brand | Infineon | Infineon - same | Infineon - same | Infineon - same | Infineon - same | Infineon - same |
| Core | FR81S 32-bit | FR81S 32-bit | FR81S 32-bit | FR81S 32-bit | FR81S 32-bit | FR81S 32-bit |
| Maximum Clock Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Program Flash Size | 1.0625 MB | 1.0625 MB | 1.0625 MB | 1.0625 MB | 1.0625 MB | 1.0625 MB |
| SRAM Size | 138 KB | 138 KB | 138 KB | 138 KB | 138 KB | 138 KB |
| Operating 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 5.5 V | 2.7 V to 5.5 V |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +125 C (extended) | -40 C to +105 C |
| Number of I/Os | 96 | 96 | 96 | 96 | 96 | 96 |
| ADC Resolution | 12-bit + 8-bit auxiliary | 12-bit + 8-bit auxiliary | 12-bit + 8-bit auxiliary | 12-bit + 8-bit auxiliary | 12-bit + 8-bit auxiliary | 12-bit + 8-bit auxiliary |
Wichtigste Unterscheidungsmerkmale
- Largest on-chip Flash in the FR MB9150 series at 1.0625 MB (vs. CY91F467D (FR60 predecessor))
- 96 GPIO budget for direct peripheral driving without expanders (vs. Generic 100-LQFP Cortex-M0+ MCUs)
- Wide 2.7-5.5 V supply with on-chip regulator for 5 V automotive bus (vs. Renesas RH850 (3.3 V typical))
Designhinweise
Place a 100 nF ceramic decoupling capacitor within 3 mm of every VCC/AVCC pin and a bulk 10 uF tantalum or ceramic at the regulator output. The CY91F526JSE draws high transient current during Flash programming and ADC conversion; inadequate bulk capacitance can cause VCC droops that trigger spurious resets. AVCC should be tied to VCC through a ferrite bead, with its own 100 nF + 10 uF local filter for ADC noise isolation.
The 120-LQFP package uses a 0.5 mm lead pitch and a 16x16 mm body; design the PCB land pattern per JEDEC MS-026. Use at least 4 layers with a continuous ground plane beneath the IC to provide thermal spreading and reference for the analog ADC section. Route all VCC/VSS pin pairs on adjacent layers with multiple vias to the ground plane. Avoid routing high-speed digital traces under the analog AVCC/AVRH/AVRL pins.
Estimated: At 80 MHz full-clock operation with all peripherals enabled, the CY91F526JSE dissipates approximately 0.5 W (assumption: 1.5 V core x 0.33 A) with thermal resistance theta_JA around 40 C/W for the 120-LQFP. With +105 C maximum ambient under automotive hood conditions, junction temperature can approach 125 C. Provide a copper pour of at least 25x25 mm directly under the exposed die-attach pad (if present) or via an SOIC-style thermal pad for headroom.
Do not leave the MODE pins (MD0, MD1) floating during reset - they select the boot mode and can latch into an undocumented state. Tie them directly to VCC or VSS through 10 kohm resistors. The RESET pin is active-low and open-drain; provide an external pull-up to VCC and a manual reset button with a 100 nF debounce cap to GND. Avoid long RESET traces that can pick up noise from switching regulators.
Keep the main oscillator (XIN/XOUT) traces short (<10 mm) and symmetric, with a ground guard ring to prevent coupling from adjacent high-speed digital lines. Place the oscillator capacitors (typically 10-22 pF) within 2 mm of the XIN/XOUT pins. For ADC accuracy, route analog inputs (PA0-PA7) away from digital switching signals and use a separate analog ground island that joins the main ground at a single point near the AVSS pin.
Compliance-Informationen
RoHS and REACH compliant per JLCPCB and DigiKey product listings. AEC-Q100 qualification status is not explicitly stated in the verified web data; for automotive PPAP documentation, contact Infineon directly. Lead-free reflow profile compatible.
