Infineon Technologies CY9AF156RBPMC-G-JNE2
- Part No.:
- CY9AF156RBPMC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 120-LQFP
- Datasheet:
-
CY9AF156RBPMC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 544KB FLASH 120LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,087
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY9AF156RBPMC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 512 KB dual-bank Flash (496 KB upper + 16 KB lower), 64 KB on-chip SRAM (32 KB SRAM0 + 32 KB SRAM1), and operation up to 40 MHz. It integrates UART/CSIO/I²C serial interfaces, 24-channel 12-bit ADC (2.0 µs conversion), 16-channel base timer, QPRC encoder interface, RTC, and six low-power modes - deployed in industrial motor control and smart metering systems.
For engineers reviewing the CY9AF156RBPMC-G-JNE2 datasheet, CY9AF156RBPMC-G-JNE2 pinout, CY9AF156RBPMC-G-JNE2 application, or CY9AF156RBPMC-G-JNE2 equivalent, key selection criteria include dual-bank Flash for seamless firmware updates, 5 V-tolerant GPIOs across 103 pins, hardware CRC acceleration (CRC16/CRC32), SWJ-DP debug support, and deep-standby RTC mode with RAM retention.
Technical Context
This MCU implements an Arm Cortex-M3 r2p1 core with integrated NVIC (48 peripheral interrupts + 1 NMI), SysTick timer, and dual-bus SRAM architecture - SRAM0 on I/D-code bus for instruction/data caching, SRAM1 on system bus for DMA-peripheral transfers. Its external bus interface supports 8 chip selects, 8-/16-bit data width, and up to 256 MB address space for NOR/NAND/SRAM expansion.
The peripheral set includes a 16-channel multi-function serial interface (configurable per channel as UART/CSIO/I²C), 8-channel DMA controller with 32-bit addressing, and dedicated motor-control blocks: PWM/PPG timers, dead-time insertion, A/D activation compare, and QPRC with 16-bit position/revolution counters - all synchronized under a unified clock supervisor and dual watchdog (HW + SW) architecture.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 r2p1, 40 MHz max - deterministic real-time execution with 24-bit SysTick for OS scheduling |
| Flash Memory | 512 KB dual-bank (496 KB upper + 16 KB lower), 0-wait-state read - enables background write/erase during code execution |
| SRAM | 64 KB total: 32 KB SRAM0 (I/D bus), 32 KB SRAM1 (system bus) - isolates CPU and DMA memory access paths |
| ADC | 24-channel 12-bit SAR, 2.0 µs conversion @ 2.7–3.6 V - supports priority/scanning modes with 16-step FIFO for sensor acquisition |
| Timers | 16-channel base timer (PWM/PPG/reload/PWC), 32-/16-bit dual timer, QPRC with AIN/BIN/ZIN edge config - direct encoder position tracking and motor phase control |
| Low-Power Modes | Six modes including Deep Standby RTC with optional RAM retention - extends battery life in metering and remote sensing |
| Debug Interface | Serial Wire JTAG Debug Port (SWJ-DP) - standard Arm debug access without trace macrocell (ETM not supported) |
Pinout & Package
LQFP-120 (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3. Pin mapping validated per Cypress Infineon FM3 Family Peripheral Manual TYPE8 documentation and CY9A150RB Series datasheet Rev. *F.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual 1.65–3.6 V supply domains with decoupling requirements per datasheet Section 7.1 |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–48 MHz external crystal; requires load capacitors per Section 7.3 |
| XT1 / XT2 | Sub-crystal oscillator (32.768 kHz) | Enables RTC and Deep Standby RTC mode with independent clock domain |
| MD0 | Boot mode select | Pull-up/pull-down configures boot source (Flash, ROM, or external memory) at reset |
| INITX | External reset input | Active-low asynchronous reset pin with internal pull-up; triggers power-on reset sequence |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO | Up to 103 pins configurable as 5 V-tolerant I/O, peripheral function, or port-relocated signal |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables over-the-air firmware updates without halting application execution - critical for field-deployed industrial controllers |
| Hardware CRC accelerator | Offloads CCITT CRC16 and IEEE-802.3 CRC32 computation from CPU - reduces integrity check latency in communication stacks |
| Quadrature Position Counter (QPRC) | Dedicated 16-bit position/revolution counter with configurable AIN/BIN/ZIN edge detection - eliminates software-based encoder interpolation |
| Deep Standby RTC mode | Maintains RTC timekeeping and optionally retains SRAM contents using sub-clock (32.768 kHz) - enables ultra-low-power wake-up in metering applications |
| Port relocate function | Allows dynamic assignment of peripheral functions (e.g., UART0, I²C1) to alternative GPIO pins - improves PCB layout flexibility and signal routing |
Applications
| Industrial Motor Control | Smart Energy Metering |
|---|---|
Use Scenario: Closed-loop BLDC/PMSM motor drive with Hall/encoder feedback and current sensing. IC Role / Device Role / Timing Role: Real-time PWM generation, QPRC-based rotor position capture, ADC-triggered current sampling, and dead-time management. Use Value: Integrated motor-control peripherals reduce external component count and timing jitter between position capture and PWM update cycles. | Use Scenario: DIN-rail mounted electricity meter with tariff switching, tamper detection, and PLC/GPRS communication. IC Role / Device Role / Timing Role: RTC-managed billing intervals, LVD-monitored supply supervision, CRC-secured firmware updates, and low-power Deep Standby RTC mode. Use Value: Dual watchdogs and CSV ensure reliable operation during voltage sags or clock faults - meeting IEC 62053 accuracy and safety requirements. |
| Home Appliance HMI | Factory Automation I/O Module |
Use Scenario: Washing machine control panel with touch sensing, display driver interface, and temperature/pressure monitoring. IC Role / Device Role / Timing Role: Multi-function serial interface for display (UART), I²C for touch controller, ADC for analog sensors, and RTC for cycle timing. Use Value: 103 GPIOs with port relocation simplify integration of diverse HMI peripherals while maintaining EMI-compliant layout. | Use Scenario: DIN-rail mounted digital I/O module with isolated inputs/outputs, Modbus RTU over RS-485, and local logic processing. IC Role / Device Role / Timing Role: UART with hardware flow control (RTS/CTS on ch.4), external bus interface for isolated SPI/parallel I/O expanders, and watchdog-enforced fault recovery. Use Value: External bus support (8 chip selects, 256 MB space) enables direct connection to isolated peripheral ASICs without bridge ICs. |
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 |
|---|---|---|---|
| STM32F103VCT6 | 72 MHz Cortex-M3, 256 KB Flash, 48 KB SRAM, no dual-bank Flash or QPRC | Lacks encoder interface and seamless firmware update capability; requires external circuitry for position capture | Select when higher CPU speed is prioritized over motor-control-specific peripherals and field-upgrade resilience |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB SRAM, no dual-bank Flash or hardware CRC accelerator | Includes FPU but omits QPRC and CRC offload - less optimal for encoder-driven motion control with data integrity checks | Select when floating-point math or TrustZone security is required, and CRC is handled in software |
Compared with STM32F103VCT6 and RA4M1, CY9AF156RBPMC-G-JNE2 uniquely combines dual-bank Flash for robust OTA updates, QPRC for direct encoder interfacing, and hardware CRC acceleration - making it optimal for cost-sensitive, high-reliability industrial motion and metering applications where peripheral integration reduces BOM count and timing-critical coordination.
Availability
CY9AF156RBPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, home appliance HMI, and factory automation I/O modules requiring stable component supply, long-term lifecycle support, and qualified automotive-grade traceability.
Supply support for CY9AF156RBPMC-G-JNE2 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 German semiconductor manufacturer specializing in power management, automotive MCUs, and industrial control solutions, with global R&D and manufacturing infrastructure.
The CY9AF156RBPMC-G-JNE2 belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, designed specifically for cost-optimized, low-power embedded control in motor drives, metering, and industrial HMI - emphasizing peripheral integration, flash reliability, and real-time responsiveness.
FAQ
Does CY9AF156RBPMC-G-JNE2 support JTAG debugging?
No - it supports Serial Wire JTAG Debug Port (SWJ-DP) only, as confirmed in the CY9A150RB Series datasheet Rev. *F, page 4. The device lacks Embedded Trace Macrocell (ETM) support, limiting trace capability to SWD-based breakpoints and register inspection. Full JTAG boundary-scan is not implemented.
What is the maximum operating voltage range?
The absolute maximum supply voltage is 3.6 V, with guaranteed operation from 1.65 V to 3.6 V across the full industrial temperature range (−40 °C to +85 °C), per datasheet Section 7.1. Operation below 1.65 V may cause undefined behavior or failure to boot.
Is the RTC battery-backed?
No - RTC operation in Deep Standby RTC mode relies solely on the internal 32.768 kHz sub-crystal oscillator (XT1/XT2); no dedicated VBAT pin or external battery interface is provided. Timekeeping ceases if sub-clock is disabled or fails.
Can the dual-bank Flash be used for secure firmware updates?
Yes - dual-bank architecture allows one bank to execute while the other is erased/written, enabling atomic firmware updates. However, no built-in cryptographic engine or secure boot ROM is present; security must be implemented via software-based signature verification in user code.
CY9AF156RBPMC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 120-LQFP
- Series:
- FM3 MB9A150RB
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 40MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 103
- Program Memory Size:
- 544KB (544K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 3.6V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AF156RBPMC-G-JNE2 FAQ
1.How can I place an order for CY9AF156RBPMC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF156RBPMC-G-JNE2 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 CY9AF156RBPMC-G-JNE2 reliable?
The price and inventory of CY9AF156RBPMC-G-JNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF156RBPMC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF156RBPMC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF156RBPMC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF156RBPMC-G-JNE2?
CY9AF156RBPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF156RBPMC-G-JNE2 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 CY9AF156RBPMC-G-JNE2?
For technical support, including CY9AF156RBPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF156RBPMC-G-JNE2 requirements.
6.How does Aetrix verify that CY9AF156RBPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF156RBPMC-G-JNE2 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 CY9AF156RBPMC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF156RBPMC-G-JNE2?
All CY9AF156RBPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF156RBPMC-G-JNE2, 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 CY9AF156RBPMC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9AF156RBPMC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY9AF156RBPMC-G-JNE2 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
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.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…

