Infineon Technologies CY90F543GSPMC-GSE1
- Part No.:
- CY90F543GSPMC-GSE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY90F543GSPMC-GSE1.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,654
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Product details
Overview
CY90F543GSPMC-GSE1 from Cypress Semiconductor is a 16-bit F2MC-16LX microcontroller with dual FULL-CAN interfaces (CAN 2.0A/B), 128 KB Flash ROM, 6 KB RAM, and 81 general-purpose I/O ports. It operates at up to 16 MHz system clock (via on-chip PLL ×4), achieves 62.5 ns minimum instruction execution time, and targets automotive body control modules requiring robust real-time communication and deterministic interrupt handling.
For engineers reviewing the CY90F543GSPMC-GSE1 datasheet, CY90F543GSPMC-GSE1 pinout, CY90F543GSPMC-GSE1 application, or CY90F543GSPMC-GSE1 equivalent, key selection criteria include dual-CAN channel support, Flash programmability with block protection, 8/10-bit 8-channel ADC with 26.3 µs conversion time, and QFP-100 package compatibility for ECU-level PCB layout.
Technical Context
The CY90F543GSPMC-GSE1 implements the proprietary F2MC-16LX CPU core with 32-bit accumulator, 23 addressing modes, and enhanced C-language support including system stack pointer and barrel shift instructions. Its dual CAN controllers support flexible mailbox/FIFO buffering, automatic retransmission, and up to 1 Mbps data rate.
Peripheral integration includes four 8/16-bit PPG timers, eight 16-bit input capture channels, four 16-bit output compare channels, two 16-bit reload timers, and dual UARTs (UART0/SCI) with synchronous/asynchronous operation and baud rates up to 2 Mbps. The device supports external bus expansion up to 16 Mbytes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | F2MC-16LX with 32-bit accumulator and 23 addressing modes for high-efficiency C code execution |
| Flash ROM | 128 Kbytes with block erase, 10,000-cycle endurance, and hardware boot vector for safe firmware updates |
| CAN Interfaces | 2 independent FULL-CAN channels compliant with ISO 11898-1 (CAN 2.0A/B), supporting prioritized message buffers |
| ADC | 8-channel 8/10-bit SAR converter with 26.3 µs per-channel conversion time and external trigger capability |
| Timers | 8× 8/16-bit PPG, 8× 16-bit input capture, 4× 16-bit output compare, 2× 16-bit reload, and 1× 16-bit free-run timer |
| UART/SCI | UART0 (full-duplex double-buffered, up to 2 Mbps sync) and UART1/SCI (full-duplex, up to 1 Mbps sync) |
| Operating Voltage | 4.5 V to 5.5 V - ensures stable operation in automotive 12V battery systems with load dump immunity |
| Temperature Range | −40 °C to +105 °C - qualified for under-hood automotive applications per AEC-Q100 stress requirements |
Pinout & Package
Package: LQFP-100 (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, thermally enhanced for automotive ambient conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| X0A / X1A | Crystal oscillator input/output | Supports external 4 MHz crystal for PLL-based 16 MHz system clock generation |
| P97/RX1 – P94/TX0 | Dual CAN/UART transceiver I/O | Direct connection to CAN transceivers (e.g., TJA1042) and RS-485/RS-232 level shifters |
| P60/AN0 – P67/AN7 | Analog input channels | 8-channel ADC inputs with internal reference (AVRH/AVRL) and dedicated analog ground (AVSS) |
| P56/TIN0 – P57/TOT0 | Timer input/output | Edge-sensitive input capture and PWM output pins for motor control timing and feedback |
| P30/ALE – P37/CLK | External bus interface | Enables 8/16-bit parallel memory expansion up to 16 Mbytes using standard address/data multiplexing |
| RST | Active-low reset input | Asynchronous hardware reset with internal pull-up; compatible with external watchdog ICs (e.g., MAX6375) |
Key Features
| Feature | Design Value |
|---|---|
| Embedded PLL clock multiplier | Configurable ×1/×2/×3/×4 or ÷2 division enables precise 16 MHz system clock from low-cost 4 MHz crystal |
| Extended Intelligent I/O Service (EI2OS) | Hardware-accelerated I/O event handling reduces CPU overhead for sensor polling and actuator response |
| Flash memory block protection | Individual block lock via external VPP voltage prevents accidental overwrite of bootloader or safety-critical code |
| 8-level, 34-source interrupt controller | Deterministic latency (<1.5 µs max) supports real-time task scheduling in AUTOSAR OS environments |
| Low-power stop/sleep modes | Sub-µA current draw in stop mode with 32 kHz sub-clock wake-up capability for periodic sensor sampling |
Applications
| Automotive Body Control Module | Industrial CAN Gateway |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in modern vehicles. IC Role / Device Role / Timing Role: Primary MCU executing LIN/CAN gateway logic, managing peripheral drivers, and coordinating with higher-layer ECUs via dual CAN channels. Use Value: Dual CAN interfaces enable simultaneous communication with powertrain (CAN-A) and comfort networks (CAN-B), while 128 KB Flash accommodates OTA update partitions and diagnostic stacks. |
Use Scenario: Protocol translation between legacy Modbus RTU field devices and modern CANopen automation networks. IC Role / Device Role / Timing Role: Real-time bridge processor performing frame mapping, timestamp synchronization, and error recovery across heterogeneous buses. Use Value: 8/10-bit ADC monitors supply voltage and temperature for health monitoring; 16-bit timers ensure precise inter-frame spacing during protocol conversion. |
| Electric Power Steering (EPS) Sensor Interface | Commercial HVAC Controller |
|
Use Scenario: Acquisition and preprocessing of torque, angle, and motor current signals in EPS assist systems. IC Role / Device Role / Timing Role: Safety-relevant signal conditioner with ASIL-B capable ADC sampling, CRC-checked CAN transmission, and watchdog-managed fault reporting. Use Value: 26.3 µs ADC conversion time meets <50 µs loop timing for 10 kHz motor control; dual CAN allows redundant status reporting to steering ECU. |
Use Scenario: Multi-zone climate control in office buildings with CO₂ sensors, damper actuators, and chiller communication. IC Role / Device Role / Timing Role: Field controller aggregating analog sensor data, driving triac-based heating elements, and relaying status over CAN bus to BMS. Use Value: 81 GPIOs support direct drive of 16+ relay outputs and 8 analog inputs without external expanders; Flash ROM stores zone-specific PID tuning parameters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon XC2267M | TriCore™ 32-bit core, 2 MB Flash, single CAN FD channel, no native 8/10-bit ADC | Targeted at higher-performance powertrain applications requiring CAN FD and floating-point math | Select when migrating to CAN FD or needing >100 MHz real-time compute; not drop-in compatible due to architecture and pinout differences |
| Renesas RL78/F13 | 16-bit RL78 core, 128 KB Flash, single CAN 2.0B, integrated 10-bit 24-channel ADC, lower power (120 µA/MHz) | Better suited for ultra-low-power body electronics where CAN bandwidth <500 kbps suffices | Prefer for cost-sensitive entry-level modules; lacks second CAN channel and PPG timer flexibility required for dual-motor control |
Compared with XC2267M and RL78/F13, the CY90F543GSPMC-GSE1 uniquely balances dual-CAN 2.0B support, Flash-based field upgradeability, and mature 16-bit deterministic timing-making it optimal for mid-tier automotive ECUs where CAN redundancy and proven qualification outweigh raw compute throughput or ultra-low quiescent current.
Availability
CY90F543GSPMC-GSE1 is available at Aetrix Electronics and suitable for automotive body control modules, industrial CAN gateways, electric power steering sensor interfaces, and commercial HVAC controllers requiring stable component supply across extended product lifecycles.
Supply support for CY90F543GSPMC-GSE1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Cypress Semiconductor (now part of Infineon Technologies) designs high-reliability microcontrollers and mixed-signal ICs for automotive, industrial, and IoT applications, with emphasis on functional safety and long-term supply assurance.
The CY90F543GSPMC-GSE1 belongs to the MB90540G series - a family of 16-bit CAN-enabled MCUs engineered specifically for automotive body electronics and industrial control nodes demanding dual-CAN redundancy and Flash-based firmware agility.
FAQ
Does CY90F543GSPMC-GSE1 support CAN FD?
No. This device implements FULL-CAN compliant with ISO 11898-1:2003 (CAN 2.0A/B only), supporting data rates up to 1 Mbps with standard 11-bit or extended 29-bit identifiers. It lacks CAN FD's variable bit rate, larger payload (up to 64 bytes), and CRC enhancements. For CAN FD migration paths, consider Infineon's AURIX TC3xx series.
What is the maximum operating frequency of the internal PLL?
The on-chip PLL supports multiplication factors of ×1, ×2, ×3, ×4, or ÷2 relative to the external crystal input. With a 4 MHz crystal and ×4 setting, the system clock reaches 16 MHz - yielding a minimum instruction execution time of 62.5 ns. The PLL does not operate beyond 16 MHz; higher frequencies require external clock injection into X0A/X1A.
How is Flash memory protected against unintended writes?
Block-level write/erase protection is enforced by applying 12.5 V to the VPP pin during programming. Each Flash block can be individually locked; unlocking requires both VPP voltage and specific command sequences. The boot sector contains a hard-wired reset vector, ensuring reliable startup even after partial erase operations.
Is the 32 kHz sub-clock generated internally or externally?
The 32 kHz sub-clock requires an external 32.768 kHz crystal connected to dedicated pins (not shown in main pinout but specified in Section 2.1 of datasheet). It drives the real-time clock and wake-up timer in stop/sleep modes. No internal RC oscillator substitutes for this function - accuracy depends entirely on external crystal tolerance and load capacitance matching.
CY90F543GSPMC-GSE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- F²MC-16LX MB90540G
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- F²MC-16LX
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- CANbus, EBI/EMI, SCI, Serial I/O, UART/USART
- Peripherals:
- POR, WDT
- Number of I/O:
- 81
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 8x8/10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY90F543GSPMC-GSE1 FAQ
1.How can I place an order for CY90F543GSPMC-GSE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY90F543GSPMC-GSE1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CY90F543GSPMC-GSE1 reliable?
The price and inventory of CY90F543GSPMC-GSE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY90F543GSPMC-GSE1 is usually 5 days.
3.What payment methods are accepted for CY90F543GSPMC-GSE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY90F543GSPMC-GSE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY90F543GSPMC-GSE1?
CY90F543GSPMC-GSE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY90F543GSPMC-GSE1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CY90F543GSPMC-GSE1?
For technical support, including CY90F543GSPMC-GSE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY90F543GSPMC-GSE1 requirements.
6.How does Aetrix verify that CY90F543GSPMC-GSE1 is sourced from the original manufacturer or authorized distributors?
All CY90F543GSPMC-GSE1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY90F543GSPMC-GSE1 meets industry standards.
7.What is the process for return or replacement of CY90F543GSPMC-GSE1?
All CY90F543GSPMC-GSE1 units undergo pre-shipment inspection (PSI). If there is an issue with CY90F543GSPMC-GSE1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CY90F543GSPMC-GSE1 part is unused and in its original packaging.
Return procedure for CY90F543GSPMC-GSE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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