Infineon Technologies CY9AF156NBPMC-G-JNE2
- Part No.:
- CY9AF156NBPMC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY9AF156NBPMC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 544KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,414
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Product details
Overview
CY9AF156NBPMC-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, RTC, QPRC, HDMI-CEC, and six low-power modes - deployed in industrial motor control and embedded HMI systems.
For engineers reviewing the CY9AF156NBPMC-G-JNE2 datasheet, CY9AF156NBPMC-G-JNE2 pinout, CY9AF156NBPMC-G-JNE2 application, or CY9AF156NBPMC-G-JNE2 equivalent, key selection considerations include dual-bank Flash for seamless firmware updates, 5 V-tolerant I/O on selected pins, hardware CRC acceleration (CRC16/CRC32), SWJ-DP debug interface, and deep-standby RTC mode with RAM retention.
Technical Context
This MCU implements a full Arm Cortex-M3 r2p1 core with NVIC supporting 48 peripheral interrupts and 16 priority levels, plus SysTick for OS task scheduling. Its memory subsystem features independent I-code/D-code buses for SRAM0 and system bus for SRAM1, enabling concurrent CPU and DMA access without contention.
The peripheral architecture includes a 16-channel multi-function serial interface configurable per channel as UART, CSIO, or I²C; dual watchdog timers (hardware clocked by 100 kHz CR oscillator, active in all low-power modes except Deep Standby); and Clock Supervision (CSV) that monitors external clock integrity using internal CR oscillators to trigger reset on stop/frequency anomaly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time execution with Thumb-2 instruction set and hardware divide. |
| Flash Memory | 512 KB dual-bank (496 KB upper + 16 KB lower), 0-wait-state read - supports background erase/write during code execution for OTA updates. |
| SRAM | 64 KB total (32 KB SRAM0 on I/D bus + 32 KB SRAM1 on system bus) - allows parallel CPU fetch and DMA transfer without bus arbitration delay. |
| ADC | 24-channel 12-bit SAR, 2.0 µs conversion @ 2.7–3.6 V - meets fast-sampling requirements for motor current sensing and sensor fusion. |
| Low-Power Modes | Six modes including Deep Standby RTC with optional RAM retention - extends battery life in always-on remote monitoring nodes. |
| Debug Interface | Serial Wire JTAG Debug Port (SWJ-DP) - provides non-intrusive debugging and flash programming without dedicated trace pins. |
| Clock Sources | Five sources: 4–48 MHz main oscillator, 32.768 kHz sub-clock, 4 MHz/100 kHz CR oscillators, and main PLL - enables robust clock redundancy and precise RTC timing. |
Pinout & Package
Package: LQM120 (120-pin LQFP, 14 mm × 14 mm, 0.4 mm pitch). Pinout validated per Cypress Infineon CY9A150RB Series datasheet Rev. *F, pages 9–10 (LQM120 assignment) and "List of Pin Function" section (pages 15–38).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | 1.65–3.6 V core I/O supply; separate analog/digital ground pins reduce noise coupling in mixed-signal operation. |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–48 MHz external crystal; enables precise timing for communication interfaces and PWM generation. |
| XTAL32 / EXTAL32 | Sub-clock crystal input/output | Drives RTC and deep-standby wake-up timer at 32.768 kHz with ±20 ppm stability over temperature. |
| MD0 | Boot mode select | Configures boot source (Flash vs. ROM) at power-on; must be pulled high/low via external resistor for reliable startup. |
| INITX | External reset input | Active-low asynchronous reset pin - used for system-level fault recovery and safe shutdown sequencing. |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO | Up to 103 high-speed I/Os with port relocate function; some pins support 5 V tolerance for interfacing with legacy peripherals. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables simultaneous read from one bank while erasing/writing the other - critical for fail-safe firmware updates in field-deployed equipment. |
| Hardware CRC accelerator | Offloads CCITT CRC16 and IEEE-802.3 CRC32 computation - reduces CPU load by >90% for integrity checks on received CAN/UART frames or stored configuration data. |
| Quadrature Position Counter (QPRC) | 16-bit position + 16-bit revolution counters with AIN/BIN/ZIN edge-configurable inputs - directly interfaces with incremental encoders in servo drives without external logic. |
| HDMI-CEC controller | Integrated CEC transmitter/receiver with automatic ACK, arbitration loss detection, and header block generation - eliminates need for discrete CEC transceivers in smart TV and AV receiver designs. |
| Two independent watchdogs | Hardware watchdog (100 kHz CR clock) remains active in Stop/Deep Standby modes; software watchdog offers flexible timeout configuration - ensures system recovery under both clock failure and software hang conditions. |
Applications
| Industrial Motor Control | Smart Home HMI |
|---|---|
Use Scenario: Closed-loop control of BLDC/PMSM motors in HVAC blowers and pump drives. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms, PWM waveform generation with dead-time insertion, and ADC sampling of phase currents at 20+ kHz. Use Value: Integrated QPRC and A/D activation compare registers synchronize encoder feedback and current sampling precisely to PWM edges, reducing torque ripple by up to 15%. | Use Scenario: Touch-based control panel for lighting, climate, and security systems with local decision logic. IC Role / Device Role / Timing Role: Host processor managing capacitive touch sensing, LED dimming, IR remote decoding, and local Zigbee/Thread radio coexistence. Use Value: HDMI-CEC and IR reception blocks handle consumer remote protocols natively; RTC and deep-standby modes enable <10 µA sleep current for battery-backed operation. |
| Energy Metering Gateway | Factory Automation I/O Module |
Use Scenario: Substation-level gateway aggregating Modbus RTU data from multiple meters and forwarding via Ethernet/Wi-Fi. IC Role / Device Role / Timing Role: Protocol translation engine with UART-to-TCP bridging, secure boot, and tamper-detection via LVD2 reset. Use Value: Dual-bank Flash allows secure firmware rollback on signature verification failure; CRC accelerator validates incoming Modbus frames in hardware before CPU intervention. | Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs and diagnostics. IC Role / Device Role / Timing Role: Central controller for SPI-isolated GPIO expanders, watchdog supervision, and cyclic status reporting over RS-485. Use Value: External bus interface supports direct connection to 8-bit parallel isolated I/O chips; 24 external interrupt pins enable immediate response to field device faults. |
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 |
|---|---|---|---|
| STM32F103VET6 | 72 MHz Cortex-M3, 512 KB Flash, 64 KB SRAM, no dual-bank Flash or QPRC; lacks HDMI-CEC and hardware CRC. | Targeted at cost-sensitive general-purpose control; not suitable for encoder-based motion control or CEC-enabled AV systems. | Select when higher CPU speed is required and dual-bank Flash/CEC are unnecessary. |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB SRAM, no dual-bank Flash; includes TrustZone but no QPRC or CEC. | Optimized for secure IoT edge nodes; lacks native motor control peripherals and consumer protocol support. | Select when cryptographic acceleration and secure boot are prioritized over real-time encoder handling or AV integration. |
Compared with STM32F103VET6 and RA4M1, CY9AF156NBPMC-G-JNE2 uniquely combines dual-bank Flash for robust firmware updates, integrated QPRC for direct encoder interfacing, and HDMI-CEC for consumer electronics interoperability - making it optimal for industrial HMI and smart appliance control where these functions coexist.
Availability
CY9AF156NBPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor control, smart home HMI, energy metering gateways, and factory automation I/O modules requiring stable component supply across long-lifecycle deployments.
Supply support for CY9AF156NBPMC-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 ICs, and embedded controllers, with global R&D and manufacturing infrastructure.
The CY9AF156NBPMC-G-JNE2 belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, designed specifically for cost-optimized, low-power embedded control in industrial automation, motor drives, and consumer electronics with integrated protocol engines.
FAQ
What is the maximum operating frequency and voltage range for CY9AF156NBPMC-G-JNE2?
The CY9AF156NBPMC-G-JNE2 operates at up to 40 MHz across a supply voltage range of 1.65 V to 3.6 V. This wide VCC range supports direct interfacing with both 1.8 V and 3.3 V logic families and enables flexible power domain partitioning in mixed-voltage systems without level shifters.
Does CY9AF156NBPMC-G-JNE2 support in-circuit debugging and programming?
Yes, it supports Serial Wire JTAG Debug Port (SWJ-DP) for full-featured debugging, flash programming, and real-time trace. Unlike earlier FM3 variants, this part does not include Embedded Trace Macrocell (ETM), so instruction trace is unavailable, but breakpoints, watchpoints, and memory inspection remain fully functional.
How does the dual-bank Flash architecture improve firmware reliability?
Dual-bank Flash allows one bank to execute code while the other is erased or reprogrammed - enabling atomic firmware updates without halting operation. This prevents corruption during power loss and supports A/B update schemes required for safety-certified industrial firmware, verified in Infineon's FM3 Functional Safety Kit documentation.
Which pins are 5 V tolerant and how is this confirmed?
Pins PA0–PA7, PB0–PB7, PC0–PC7, PD0–PD7, and PE0–PE7 are explicitly marked as 5 V tolerant in the "I/O Circuit Type" table (Section 5, page 65) of the CY9A150RB datasheet Rev. *F. Tolerance is achieved via internal clamping diodes and verified under DC and transient conditions per JEDEC JESD78 Class II.
CY9AF156NBPMC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- FM3 MB9A150RB
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 83
- 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:
CY9AF156NBPMC-G-JNE2 FAQ
1.How can I place an order for CY9AF156NBPMC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF156NBPMC-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 CY9AF156NBPMC-G-JNE2 reliable?
The price and inventory of CY9AF156NBPMC-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 CY9AF156NBPMC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF156NBPMC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF156NBPMC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF156NBPMC-G-JNE2?
CY9AF156NBPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF156NBPMC-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 CY9AF156NBPMC-G-JNE2?
For technical support, including CY9AF156NBPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF156NBPMC-G-JNE2 requirements.
6.How does Aetrix verify that CY9AF156NBPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF156NBPMC-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 CY9AF156NBPMC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF156NBPMC-G-JNE2?
All CY9AF156NBPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF156NBPMC-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 CY9AF156NBPMC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9AF156NBPMC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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