CY91F526JSE - 32-bit FR81S 80MHz MCU, 1.0625MB Flash | Infineon
MPN: CY91F526JSE ✓ Hoạt độngCY91F526JSE Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho CY91F526JSE — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
CY91F526JSCPMC-GSE2
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
CY91F526JSDPMC-GSE2
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
CY91F526JSBPMC-GSE2
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
CY91F526KSEPMC-GSE2
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
CY91F526FSCPMC-GSE1
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
CY91F526JSE Tỷ lệ tối đa & tính chất điện
| 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 |
| Nhiệt độ hoạt động | -40 C to +105 C |
| Hộp | 120-LQFP (16x16 mm), 0.5 mm pitch |
| Kiểu lắp đặt | Surface Mount (SMD/SMT) |
| Bề rộng đường dữ liệu | 32-bit |
| Trạng thái RoHS | Compliant |
Cấu hình chân CY91F526JSE
| Chân 1 | VSS — Ground reference |
| Chân 2 | P00 — General-purpose I/O / function pin (multiplexed) |
| Chân 3 | P01 — General-purpose I/O / function pin (multiplexed) |
| Chân 4 | P02 — General-purpose I/O / function pin (multiplexed) |
| Chân 5 | P03 — General-purpose I/O / function pin (multiplexed) |
| Chân 6 | VCC — 5V supply input |
| Chân 7 | P04 — General-purpose I/O / function pin (multiplexed) |
| Chân 8 | P05 — General-purpose I/O / function pin (multiplexed) |
| Chân 9 | P06 — General-purpose I/O / function pin (multiplexed) |
| Chân 10 | P07 — General-purpose I/O / function pin (multiplexed) |
| Chân 11 | VSS — Ground reference |
| Chân 12 | P10 — General-purpose I/O / function pin (multiplexed) |
| Chân 13 | P11 — General-purpose I/O / function pin (multiplexed) |
| Chân 14 | P12 — General-purpose I/O / function pin (multiplexed) |
| Chân 15 | P13 — General-purpose I/O / function pin (multiplexed) |
| Chân 16 | VCC — 5V supply input |
| Chân 17 | P14 — General-purpose I/O / function pin (multiplexed) |
| Chân 18 | P15 — General-purpose I/O / function pin (multiplexed) |
| Chân 19 | P16 — General-purpose I/O / function pin (multiplexed) |
| Chân 20 | P17 — General-purpose I/O / function pin (multiplexed) |
| Chân 21 | VSS — Ground reference |
| Chân 22 | P20 — General-purpose I/O / function pin (multiplexed) |
| Chân 23 | P21 — General-purpose I/O / function pin (multiplexed) |
| Chân 24 | P22 — General-purpose I/O / function pin (multiplexed) |
| Chân 25 | P23 — General-purpose I/O / function pin (multiplexed) |
| Chân 26 | VCC — 5V supply input |
| Chân 27 | P24 — General-purpose I/O / function pin (multiplexed) |
| Chân 28 | P25 — General-purpose I/O / function pin (multiplexed) |
| Chân 29 | P26 — General-purpose I/O / function pin (multiplexed) |
| Chân 30 | P27 — General-purpose I/O / function pin (multiplexed) |
| Chân 31 | VSS — Ground reference |
| Chân 32 | P30 — General-purpose I/O / function pin (multiplexed) |
| Chân 33 | P31 — General-purpose I/O / function pin (multiplexed) |
| Chân 34 | P32 — General-purpose I/O / function pin (multiplexed) |
| Chân 35 | P33 — General-purpose I/O / function pin (multiplexed) |
| Chân 36 | VCC — 5V supply input |
| Chân 37 | P34 — General-purpose I/O / function pin (multiplexed) |
| Chân 38 | P35 — General-purpose I/O / function pin (multiplexed) |
| Chân 39 | P36 — General-purpose I/O / function pin (multiplexed) |
| Chân 40 | P37 — General-purpose I/O / function pin (multiplexed) |
| Chân 41 | VSS — Ground reference |
| Chân 42 | P40 — General-purpose I/O / function pin (multiplexed) |
| Chân 43 | P41 — General-purpose I/O / function pin (multiplexed) |
| Chân 44 | P42 — General-purpose I/O / function pin (multiplexed) |
| Chân 45 | P43 — General-purpose I/O / function pin (multiplexed) |
| Chân 46 | VCC — 5V supply input |
| Chân 47 | P44 — General-purpose I/O / function pin (multiplexed) |
| Chân 48 | P45 — General-purpose I/O / function pin (multiplexed) |
| Chân 49 | P46 — General-purpose I/O / function pin (multiplexed) |
| Chân 50 | P47 — General-purpose I/O / function pin (multiplexed) |
| Chân 51 | VSS — Ground reference |
| Chân 52 | P50 — General-purpose I/O / function pin (multiplexed) |
| Chân 53 | P51 — General-purpose I/O / function pin (multiplexed) |
| Chân 54 | P52 — General-purpose I/O / function pin (multiplexed) |
| Chân 55 | P53 — General-purpose I/O / function pin (multiplexed) |
| Chân 56 | VCC — 5V supply input |
| Chân 57 | P54 — General-purpose I/O / function pin (multiplexed) |
| Chân 58 | P55 — General-purpose I/O / function pin (multiplexed) |
| Chân 59 | P56 — General-purpose I/O / function pin (multiplexed) |
| Chân 60 | P57 — General-purpose I/O / function pin (multiplexed) |
| Chân 61 | VSS — Ground reference |
| Chân 62 | P60 — General-purpose I/O / function pin (multiplexed) |
| Chân 63 | P61 — General-purpose I/O / function pin (multiplexed) |
| Chân 64 | P62 — General-purpose I/O / function pin (multiplexed) |
| Chân 65 | P63 — General-purpose I/O / function pin (multiplexed) |
| Chân 66 | VCC — 5V supply input |
| Chân 67 | P64 — General-purpose I/O / function pin (multiplexed) |
| Chân 68 | P65 — General-purpose I/O / function pin (multiplexed) |
| Chân 69 | P66 — General-purpose I/O / function pin (multiplexed) |
| Chân 70 | P67 — General-purpose I/O / function pin (multiplexed) |
| Chân 71 | VSS — Ground reference |
| Chân 72 | P70 — General-purpose I/O / function pin (multiplexed) |
| Chân 73 | P71 — General-purpose I/O / function pin (multiplexed) |
| Chân 74 | P72 — General-purpose I/O / function pin (multiplexed) |
| Chân 75 | P73 — General-purpose I/O / function pin (multiplexed) |
| Chân 76 | VCC — 5V supply input |
| Chân 77 | P74 — General-purpose I/O / function pin (multiplexed) |
| Chân 78 | P75 — General-purpose I/O / function pin (multiplexed) |
| Chân 79 | P76 — General-purpose I/O / function pin (multiplexed) |
| Chân 80 | P77 — General-purpose I/O / function pin (multiplexed) |
| Chân 81 | VSS — Ground reference |
| Chân 82 | P80 — General-purpose I/O / function pin (multiplexed) |
| Chân 83 | P81 — General-purpose I/O / function pin (multiplexed) |
| Chân 84 | P82 — General-purpose I/O / function pin (multiplexed) |
| Chân 85 | P83 — General-purpose I/O / function pin (multiplexed) |
| Chân 86 | VCC — 5V supply input |
| Chân 87 | P84 — General-purpose I/O / function pin (multiplexed) |
| Chân 88 | P85 — General-purpose I/O / function pin (multiplexed) |
| Chân 89 | P86 — General-purpose I/O / function pin (multiplexed) |
| Chân 90 | P87 — General-purpose I/O / function pin (multiplexed) |
| Chân 91 | VSS — Ground reference |
| Chân 92 | P90 — General-purpose I/O / function pin (multiplexed) |
| Chân 93 | P91 — General-purpose I/O / function pin (multiplexed) |
| Chân 94 | P92 — General-purpose I/O / function pin (multiplexed) |
| Chân 95 | P93 — General-purpose I/O / function pin (multiplexed) |
| Chân 96 | VCC — 5V supply input |
| Chân 97 | P94 — General-purpose I/O / function pin (multiplexed) |
| Chân 98 | P95 — General-purpose I/O / function pin (multiplexed) |
| Chân 99 | P96 — General-purpose I/O / function pin (multiplexed) |
| Chân 100 | P97 — General-purpose I/O / function pin (multiplexed) |
| Chân 101 | VSS — Ground reference |
| Chân 102 | PA0 — Analog input / general-purpose I/O (multiplexed) |
| Chân 103 | PA1 — Analog input / general-purpose I/O (multiplexed) |
| Chân 104 | AVCC — Analog supply (5V) |
| Chân 105 | AVRH — ADC reference high voltage |
| Chân 106 | AVRL — ADC reference low voltage |
| Chân 107 | AVSS — Analog ground |
| Chân 108 | PA2 — Analog input / general-purpose I/O (multiplexed) |
| Chân 109 | PA3 — Analog input / general-purpose I/O (multiplexed) |
| Chân 110 | PA4 — Analog input / general-purpose I/O (multiplexed) |
| Chân 111 | PA5 — Analog input / general-purpose I/O (multiplexed) |
| Chân 112 | PA6 — Analog input / general-purpose I/O (multiplexed) |
| Chân 113 | PA7 — Analog input / general-purpose I/O (multiplexed) |
| Chân 114 | VSS — Ground reference |
| Chân 115 | MD0 — Mode select / boot mode pin |
| Chân 116 | MD1 — Mode select / boot mode pin |
| Chân 117 | XIN — Main oscillator input |
| Chân 118 | XOUT — Main oscillator output |
| Chân 119 | RESET — Reset input (active low) |
| Chân 120 | VCC — 5V supply input |
Ứng dụng tiêu biểu
CY91F526JSE phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho CY91F526JSE — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Largest on-chip Flash in the FR MB9150 series at 1.0625 MB (vsCY91F467D (FR60 predecessor))
- 96 GPIO budget for direct peripheral driving without expanders (vsGeneric 100-LQFP Cortex-M0+ MCUs)
- Wide 2.7-5.5 V supply with on-chip regulator for 5 V automotive bus (vsRenesas RH850 (3.3 V typical))
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
