Infineon Technologies CY90F546GSPMC-GE1
- Part No.:
- CY90F546GSPMC-GE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY90F546GSPMC-GE1.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,262
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Product details
Overview
CY90F546GSPMC-GE1 from Cypress Semiconductor is a 16-bit F2MC-16LX microcontroller with dual FULL-CAN interfaces (CAN 2.0A/B), 256 KB Flash ROM, 8 KB RAM, and QFP-100 package. It operates at up to 16 MHz system clock (62.5 ns min instruction time), supports 8/10-bit 8-channel ADC (26.3 µs conversion), and targets automotive body control modules requiring robust real-time communication and deterministic interrupt handling.
For engineers reviewing the CY90F546GSPMC-GE1 datasheet, CY90F546GSPMC-GE1 pinout, CY90F546GSPMC-GE1 application, or CY90F546GSPMC-GE1 equivalent, key selection criteria include CAN channel count, Flash/RAM sizing, 32-bit accumulator support for precision math, PLL clock flexibility (×1–×4), and industrial-grade temperature range (−40°C to +105°C).
Technical Context
The device implements the proprietary F2MC-16LX CPU core with 23 addressing modes, enhanced bit manipulation, and signed multiplication/division instructions optimized for C-language compilation and multi-tasking. Its 32-bit accumulator enables native long-word arithmetic without software emulation.
It integrates two independent FULL-CAN controllers compliant with ISO 11898-1:2003, supporting mixed mailbox/FIFO buffering, automatic retransmission, remote frame response, and programmable acceptance filtering (full-bit compare/mask). The external bus interface provides up to 16 MB address space for expansion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | F2MC-16LX with 32-bit accumulator and 23 addressing modes for efficient C code execution |
| Flash ROM | 256 KB on-chip Flash supporting block erase, suspend/resume, and 10,000 write cycles |
| RAM | 8 KB embedded RAM for real-time data buffering and stack-intensive multitasking |
| CAN Interfaces | 2 × FULL-CAN channels (ISO 11898-1), each supporting up to 1 Mbps and flexible message buffering |
| ADC | 8-channel 8/10-bit SAR ADC with 26.3 µs per-channel conversion time and external trigger start |
| Timers | 8/16-bit PPG ×4, 16-bit reload ×2, 16-bit free-run ×1, input capture ×8, output compare ×4 |
| UART/SCI | UART0 (asynchronous/synchronous, up to 500 Kbps) + UART1/SCI (up to 2 Mbps synchronous) |
| Operating Range | 4.5 V to 5.5 V supply, −40°C to +105°C ambient, qualified for automotive body electronics |
Pinout & Package
Package: QFP-100 (PQH100), 0.65 mm pitch, thermally enhanced plastic quad flat pack with exposed thermal pad (not electrically connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| X0A / X1A | Primary crystal oscillator inputs | Support 4 MHz fundamental-mode crystal; enable PLL clock multiplication (×1–×4) for 16 MHz system clock |
| P97/RX1 – P94/TX0 | Dual UART transceiver pins | UART0 (P95/P94) and UART1 (P97/P96) with full-duplex double buffers and selectable sync/asynchronous mode |
| P60/AN0 – P67/AN7 | Analog input channels | 8-channel 10-bit ADC inputs with dedicated AVCC/AVRH/AVRL/AVSS references for noise immunity |
| P56/TIN0 – P57/TOT0 | Timer input/output | Input capture (TIN0) and output compare (TOT0) for precise edge-triggered timing and PWM generation |
| P30/ALE – P37/CLK | External bus interface | ALE, RD, WR, HRQ, HAK, RDY, CLK enable 8/16-bit parallel memory expansion up to 16 MB address space |
| RST | Active-low reset input | Asynchronous reset with internal pull-up; initiates boot vector fetch from fixed Flash sector |
Key Features
| Feature | Design Value |
|---|---|
| Embedded FULL-CAN controller | Dual CAN 2.0A/B interfaces with hardware message buffering, error recovery, and prioritized transmission-eliminates CPU overhead for CAN protocol handling |
| Flash programming flexibility | Per-block erase, suspend/resume commands, and boot-sector protection allow safe in-field firmware updates without full chip reprogramming |
| Interrupt architecture | 8-level priority, 34 interrupt sources including delayed-interrupt generation for deterministic task switching in real-time OS environments |
| Extended I/O service (EI2OS) | Hardware-accelerated I/O event handling with automatic context save/restore-reduces ISR latency for high-frequency sensor or actuator signals |
| Low-power operation modes | Sleep (CPU clock stopped), Stop (oscillator halted), and Watch modes enable <1 µA standby current for battery-backed automotive modules |
Applications
| Automotive Body Control Unit | Industrial CAN Gateway |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, lighting, and HVAC in passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU executing real-time control logic, managing dual CAN buses for powertrain and chassis networks, and coordinating LIN sub-nodes via UART. Use Value: Dual FULL-CAN interfaces eliminate external CAN controllers; 256 KB Flash accommodates A/B firmware images for fail-safe OTA updates. |
Use Scenario: Protocol translation between CAN FD backbone and legacy CAN 2.0 devices in factory automation systems. IC Role / Device Role / Timing Role: Bridge processor performing message filtering, rate adaptation, and data aggregation across isolated CAN segments. Use Value: Flexible acceptance filtering and mailbox/FIFO mixing enable concurrent handling of 16+ message IDs per channel without CPU polling. |
| Off-Highway Vehicle Telematics | Commercial Vehicle Diagnostic Module |
|
Use Scenario: Data acquisition and GPS-coupled reporting in construction equipment with harsh EMI environments. IC Role / Device Role / Timing Role: Sensor fusion hub collecting J1939-compliant engine data, analog sensor readings, and GNSS timestamps via synchronized timers. Use Value: 8/10-bit ADC with external trigger start aligns sampling to engine crankshaft position signals; 32 kHz sub-clock maintains RTC during main oscillator stop. |
Use Scenario: Aftermarket diagnostic tool interfacing with multiple vehicle ECUs via standardized OBD-II and J1962 connectors. IC Role / Device Role / Timing Role: Host controller implementing UDS (ISO 14229) and KWP2000 protocols over CAN, with flash-resident diagnostic application code. Use Value: 8 KB RAM supports concurrent CAN message buffering, ISO-TP session management, and secure bootloader execution without external memory. |
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 |
|---|---|---|---|
| MB90F549GSPMC-GE1 | Same F2MC-16LX core, identical pinout, but 256 KB Flash + 6 KB RAM (vs. 8 KB); no external bus interface | Lacks external memory expansion capability; suited for self-contained applications without external peripherals | Select when external bus interface is unnecessary and lower RAM suffices for application code footprint |
| MB90F548GLSPMC-GE1 | 3.5–5.5 V operating range (vs. 4.5–5.5 V), 128 KB Flash, 4 KB RAM, single CAN channel, same QFP-100 package | Broader voltage tolerance enables direct connection to unregulated 12 V automotive rails; reduced CAN capacity limits multi-bus designs | Select for cost-sensitive 1-CAN applications requiring wider supply range and lower memory density |
Compared with MB90F549GSPMC-GE1 and MB90F548GLSPMC-GE1, CY90F546GSPMC-GE1 uniquely balances dual CAN, 8 KB RAM, and full external bus support-making it optimal for scalable body control units needing peripheral expansion and firmware redundancy.
Availability
CY90F546GSPMC-GE1 is available at Aetrix Electronics and suitable for automotive body control units, industrial CAN gateways, off-highway telematics, and commercial vehicle diagnostic modules requiring stable component supply across extended product lifecycles.
Supply support for CY90F546GSPMC-GE1 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 programmable system-on-chip solutions for automotive, industrial, and IoT applications.
The MB90540G/545G series was engineered specifically for automotive body electronics and industrial control systems demanding dual CAN, deterministic real-time performance, and long-term supply stability under extended temperature conditions.
FAQ
Does CY90F546GSPMC-GE1 support CAN FD?
No. CY90F546GSPMC-GE1 implements FULL-CAN compliant with ISO 11898-1:2003 (CAN 2.0A/B only), supporting up to 1 Mbps classical CAN frames. It does not include CAN FD arbitration or data phase enhancements, nor does its CAN controller support bit-rate switching or extended data length frames.
What is the boot vector behavior during reset?
Upon reset, CY90F546GSPMC-GE1 fetches the initial program counter from a hard-wired reset vector pointing to a fixed boot sector in Flash memory. This sector contains mandatory startup code and cannot be remapped; it ensures deterministic boot behavior even after partial Flash corruption or failed programming sequences.
How is the 32-bit accumulator utilized in arithmetic operations?
The 32-bit accumulator enables native 32-bit addition, subtraction, and multiplication without software library calls. For example, MULS (signed multiply) produces a full 32-bit result directly in the accumulator, eliminating overflow checks and intermediate register moves required in 16-bit-only cores-critical for motor control PID calculations and sensor fusion algorithms.
Can the external bus interface operate in 8-bit and 16-bit modes simultaneously?
No. The external bus interface is configured at reset via MD0/MD1/MD2 pins to operate exclusively in either 8-bit or 16-bit data bus width mode. Mode selection is static and cannot be changed dynamically during runtime; it determines ALE timing, WR/WRH/WRL assertion, and address/data multiplexing behavior across all external memory accesses.
CY90F546GSPMC-GE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- F²MC-16LX MB90545G
- 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:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K 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:
CY90F546GSPMC-GE1 FAQ
1.How can I place an order for CY90F546GSPMC-GE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY90F546GSPMC-GE1 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 CY90F546GSPMC-GE1 reliable?
The price and inventory of CY90F546GSPMC-GE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY90F546GSPMC-GE1 is usually 5 days.
3.What payment methods are accepted for CY90F546GSPMC-GE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY90F546GSPMC-GE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY90F546GSPMC-GE1?
CY90F546GSPMC-GE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY90F546GSPMC-GE1 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 CY90F546GSPMC-GE1?
For technical support, including CY90F546GSPMC-GE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY90F546GSPMC-GE1 requirements.
6.How does Aetrix verify that CY90F546GSPMC-GE1 is sourced from the original manufacturer or authorized distributors?
All CY90F546GSPMC-GE1 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 CY90F546GSPMC-GE1 meets industry standards.
7.What is the process for return or replacement of CY90F546GSPMC-GE1?
All CY90F546GSPMC-GE1 units undergo pre-shipment inspection (PSI). If there is an issue with CY90F546GSPMC-GE1, 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 CY90F546GSPMC-GE1 part is unused and in its original packaging.
Return procedure for CY90F546GSPMC-GE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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