Infineon Technologies CY9BF512NPMC-GE1
- Part No.:
- CY9BF512NPMC-GE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY9BF512NPMC-GE1.pdf
- Description:
- IC MCU 32BIT 160KB 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,561
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY9BF512NPMC-GE1 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 512 KB MainFlash, 32 KB WorkFlash, 64 KB SRAM, dual CAN 2.0A/B interfaces (1 Mbps), USB 2.0 Full-Speed device/host, and integrated motor control timers - deployed in industrial motor drives, automotive body controllers, and embedded gateway nodes.
For engineers reviewing the CY9BF512NPMC-GE1 datasheet, CY9BF512NPMC-GE1 pinout, CY9BF512NPMC-GE1 application, or CY9BF512NPMC-GE1 equivalent, key selection criteria include Flash/SRAM partitioning, dual CAN + USB coexistence, 12-bit ADC with FIFO, 144 MHz max operation, and 2.7–5.5 V supply range with 5 V-tolerant I/O on select pins.
Technical Context
This MCU implements a tightly coupled Arm Cortex-M3 r2p1 core with Memory Protection Unit (MPU) and NVIC supporting 48 peripheral interrupts across 16 priority levels. It integrates two independent Flash banks (MainFlash with accelerator + trace buffer; WorkFlash with configurable wait states) and dual-bus SRAM (SRAM0 on I/D-code bus, SRAM1 on system bus) to enable deterministic real-time execution.
The peripheral set is optimized for motion control and connectivity: dual CAN controllers with 32 message buffers each, USB 2.0 Full-Speed with dual-mode (device/host) support and 6 endpoints (including 256-byte EP1), eight-channel DMA with burst/block/demand transfer modes, and three QPRC units for encoder position/revolution counting with 16-bit counters and compare registers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M3 r2p1, up to 144 MHz - enables hard real-time task scheduling with sub-μs interrupt latency |
| Flash Memory | 512 KB MainFlash + 32 KB WorkFlash - supports secure code storage, firmware updates, and data logging without external memory |
| SRAM | 64 KB total (32 KB SRAM0 + 32 KB SRAM1) - allows concurrent instruction fetch and data access with zero bus contention |
| CAN Interface | 2 × CAN 2.0A/B channels, 1 Mbps - meets automotive body control and industrial fieldbus timing requirements |
| USB Interface | USB 2.0 Full-Speed device/host with 6 endpoints (EP0–EP5), EP1 = 256 B - enables firmware update via USB device mode and peripheral enumeration in host mode |
| ADC | 12-bit SAR ADC, 16 channels, 1.0 μs conversion @ 5 V - delivers high-resolution analog sensing for motor current/voltage feedback |
| Power Supply | VCC = 2.7–5.5 V; USBVCC = 3.0–3.6 V (USB active) - supports direct connection to 3.3 V or 5 V rails with mixed-voltage I/O tolerance |
Pinout & Package
Package: 120-pin LQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC for core/peripherals (2.7–5.5 V), USBVCC separate for USB I/O (3.0–3.6 V when active) |
| XTAL / EXTAL | Main clock oscillator input/output | Supports 4–48 MHz crystal or external clock source; required for PLL-based 144 MHz operation |
| OSC32K / RTC32K | Real-time clock oscillator input/output | Connects 32.768 kHz crystal for RTC and low-power wake-up timer functions |
| CAN0_TX / CAN0_RX | CAN channel 0 differential signal pair | Direct connection to CAN transceiver; supports 1 Mbps bit rate with built-in bus arbitration logic |
| USBDP / USBDM | USB 2.0 Full-Speed differential data lines | Require 1.5 kΩ pull-up on USBDP for device enumeration; support suspend/resume signaling per USB spec |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO | Up to 103 fast I/O pins with port relocation, 5 V-tolerant capability on designated pins per datasheet Table 4 |
Key Features
| Feature | Design Value |
|---|---|
| Flash Accelerator with 16 KB trace buffer | Enables zero-wait-state execution at ≤72 MHz and near-zero latency at 144 MHz via prefetch and caching |
| Dual-bank Flash architecture | Allows background firmware update (WorkFlash) while executing from MainFlash - no application interruption |
| Motor Control Timer subsystem | Includes dead-time insertion, DTIF emergency stop, PWM/PPG waveform generation, and A/D trigger synchronization |
| Quadrature Position Counter (QPRC) | Three independent 16-bit position/revolution counters with ZIN index capture - eliminates need for external encoder ICs |
| Serial Wire JTAG Debug Port (SWJ-DP) | Full debug visibility including ETM trace, breakpoint, and watchpoint support - essential for safety-critical firmware validation |
Applications
| Industrial Motor Drive | Automotive Body Control Module |
|---|---|
Use Scenario: Closed-loop control of BLDC/PMSM motors in HVAC blowers or pump systems using hall sensors or encoders. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms, synchronized ADC sampling, PWM generation, and CAN-based command interface. Use Value: Integrated QPRC and motor timers reduce BOM count; 144 MHz core ensures <5 μs current loop cycle time at 20 kHz switching. | Use Scenario: Centralized control of door locks, window lifts, lighting, and seat position memory in entry/mid-tier vehicles. IC Role / Device Role / Timing Role: CAN 2.0B node managing LIN sub-nodes (mirrors, seats), USB for dealer diagnostics, and RTC for event logging. Use Value: Dual CAN channels isolate powertrain and body networks; 5 V-tolerant I/O interfaces directly with 12 V automotive switches/sensors. |
| Smart Energy Gateway | Factory Automation I/O Controller |
Use Scenario: Protocol translation between Modbus RTU (RS-485), CANopen, and cloud-connected Ethernet/Wi-Fi via external bridge. IC Role / Device Role / Timing Role: Edge processing unit aggregating metering data, executing local load-shedding logic, and buffering telemetry during network outages. Use Value: 512 KB Flash stores multiple protocol stacks; USB host mode enables field firmware updates via flash drive without PC. | Use Scenario: Distributed digital I/O expansion node with isolated inputs/outputs, connected via CAN or RS-485 to PLC master. IC Role / Device Role / Timing Role: High-speed GPIO scanning, timestamped event capture, and deterministic CAN message transmission under cyclic schedule. Use Value: 103 GPIO with port relocation simplify PCB layout; dual 16-bit reload timers provide precise 1 ms I/O scan intervals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit Arm Cortex-M3 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F103ZET6 | 72 MHz Cortex-M3, 512 KB Flash, 64 KB RAM, single CAN, no USB host, no QPRC | Lacks dual CAN, USB host, and encoder counter - requires external components for motor position feedback | Prefer when cost sensitivity outweighs need for integrated motor control peripherals |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB RAM, single CAN, USB device only, no WorkFlash | No WorkFlash for background updates; no QPRC or motor-specific timers - limited for real-time motion control | Prefer when floating-point math or TrustZone security is prioritized over motor timing precision |
Compared with STM32F103ZET6 and RA4M1, CY9BF512NPMC-GE1 uniquely combines dual CAN, USB device/host, QPRC, and dual-bank Flash in a single 120-pin LQFP package - enabling consolidated motor+connectivity functionality without external glue logic or firmware workarounds.
Availability
CY9BF512NPMC-GE1 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body controllers, and smart energy gateways requiring stable component supply, long-term lifecycle support, and qualified automotive-grade sourcing.
Supply support for CY9BF512NPMC-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
Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power systems, automotive MCUs, and security solutions.
CY9BF512NPMC-GE1 belongs to the FM3 family of high-performance 32-bit microcontrollers designed specifically for cost-sensitive, real-time embedded applications demanding integrated motor control, industrial communication, and robust connectivity.
FAQ
What is the maximum operating frequency and how is it achieved?
The CY9BF512NPMC-GE1 achieves up to 144 MHz using its internal Main PLL, which multiplies the 4–48 MHz main clock input. The Flash Accelerator with 16 KB trace buffer enables zero-wait-state execution at ≤72 MHz and maintains near-deterministic access at full speed via prefetch and caching - critical for real-time interrupt response.
Does this MCU support USB device and host modes simultaneously?
No - USB device and host modes are mutually exclusive and selected at runtime via software configuration. The hardware includes one USB PHY with dual-mode controller logic, but only one mode can be active at a time. Mode switching requires reinitialization and is not intended for dynamic toggling during normal operation.
How does the dual-bank Flash architecture improve firmware reliability?
MainFlash holds the active application firmware, while WorkFlash stores updated firmware images. During over-the-air or USB-based updates, new code writes to WorkFlash without interrupting execution. Upon reset, boot logic validates and swaps banks - enabling atomic, fail-safe firmware upgrades with rollback capability if CRC verification fails.
Are all GPIO pins 5 V tolerant?
No - only specific pins designated in the "List of Pin Functions" (Section 4 of datasheet 002-08541) are 5 V tolerant. These include certain PA, PB, and PC port pins used for legacy interface compatibility. Applying 5 V to non-tolerant pins may damage the device; always verify pin voltage ratings before circuit design.
CY9BF512NPMC-GE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- FM3 MB9B510R
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit
- Speed:
- 144MHz
- Connectivity:
- CANbus, CSIO, EBI/EMI, I2C, LINbus, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 160KB (160K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF512NPMC-GE1 FAQ
1.How can I place an order for CY9BF512NPMC-GE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF512NPMC-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 CY9BF512NPMC-GE1 reliable?
The price and inventory of CY9BF512NPMC-GE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF512NPMC-GE1 is usually 5 days.
3.What payment methods are accepted for CY9BF512NPMC-GE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF512NPMC-GE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF512NPMC-GE1?
CY9BF512NPMC-GE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF512NPMC-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 CY9BF512NPMC-GE1?
For technical support, including CY9BF512NPMC-GE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF512NPMC-GE1 requirements.
6.How does Aetrix verify that CY9BF512NPMC-GE1 is sourced from the original manufacturer or authorized distributors?
All CY9BF512NPMC-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 CY9BF512NPMC-GE1 meets industry standards.
7.What is the process for return or replacement of CY9BF512NPMC-GE1?
All CY9BF512NPMC-GE1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF512NPMC-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 CY9BF512NPMC-GE1 part is unused and in its original packaging.
Return procedure for CY9BF512NPMC-GE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY9BF512NPMC-GE1 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.

