Infineon Technologies CY9AF155NBPMC-G-JNK1E2
- Part No.:
- CY9AF155NBPMC-G-JNK1E2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY9AF155NBPMC-G-JNK1E2.pdf
- Description:
- IC MCU 32BIT 416KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,514
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Product details
Overview
CY9AF155NBPMC-G-JNK1E2 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 CY9AF155NBPMC-G-JNK1E2 datasheet, CY9AF155NBPMC-G-JNK1E2 pinout, CY9AF155NBPMC-G-JNK1E2 application, or CY9AF155NBPMC-G-JNK1E2 equivalent, key selection criteria include dual-bank Flash execution-in-place capability, 5 V-tolerant GPIO count (up to 103 pins in 120-pin LQFP), hardware CRC accelerator (CRC16/CRC32), and SWJ-DP debug interface without ETM support.
Technical Context
This MCU implements a tightly coupled Arm Cortex-M3 r2p1 core with NVIC supporting 48 peripheral interrupts and 16 priority levels, plus a 24-bit SysTick timer for RTOS scheduling. Its memory subsystem features dual-operation Flash enabling concurrent read-erase-write across banks and two independent SRAM blocks (SRAM0 on I/D-code bus, SRAM1 on system bus) for deterministic real-time data access.
The peripheral set includes a 8-channel DMA controller with 32-bit addressing, multi-function serial interface configurable per channel as UART/CSIO/I²C, and dedicated motor-control blocks: PWM/PPG timers, dead-time insertion, A/D activation compare, and QPRC for encoder position tracking - all synchronized via shared clock domains and trigger routing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time task execution with hardware divide and Thumb-2 instruction set. |
| Flash Memory | 512 KB dual-bank (496 KB upper + 16 KB lower), 0-wait-state read - supports XIP and background firmware updates without halting CPU. |
| SRAM | 64 KB total (32 KB SRAM0 + 32 KB SRAM1), separate bus connections - isolates instruction/data traffic from system peripherals for latency-critical ISR handling. |
| ADC | 24-channel 12-bit SAR, 2.0 µs conversion @ 2.7–3.6 V - meets sub-µs sampling requirements for closed-loop motor current sensing. |
| Timers | 16-channel base timer + 3×16-bit free-run + 6×output compare + QPRC - provides full-featured motor control waveform generation and position feedback capture. |
| Low-Power Modes | Six modes including Deep Standby RTC/Stop with RAM retention options - enables battery-backed operation with <1 µA RTC current at 32.768 kHz. |
| Debug Interface | Serial Wire JTAG Debug Port (SWJ-DP), no ETM - supports full breakpoint/watchpoint debugging but excludes instruction trace capability. |
Pinout & Package
Package: 120-pin LQFP (LQM120), 0.4 mm pitch, RoHS-compliant, body size 14 × 14 mm. Thermal pad exposed on bottom for enhanced heat dissipation in industrial ambient conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC/VSS pairs per side ensure stable core/peripheral rail decoupling; 1.65–3.6 V operation supports wide-input industrial power supplies. |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–48 MHz external crystals; internal PLL generates system clock - critical for timing-critical UART baud rate accuracy and motor PWM jitter control. |
| RTC_XTAL / RTC_EXTAL | Sub-clock crystal input/output | 32.768 kHz crystal connection for RTC and low-power wake-up - enables calendar timekeeping and periodic interrupt generation during Deep Standby modes. |
| MD0 | Boot mode select | Configures boot source (Flash/ROM) at reset; tied high/low externally - determines initial vector table location and firmware execution path. |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO | Up to 103 pins configurable as GPIO, UART, CSIO, I²C, ADC, or timer I/O; port relocate function allows flexible peripheral pin mapping - simplifies PCB layout reuse across variants. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables over-the-air firmware update with zero downtime: erase/write one bank while executing from the other. |
| Hardware CRC accelerator | Offloads CCITT CRC16 and IEEE-802.3 CRC32 computation from CPU - reduces integrity check latency for CAN/FlexRay message validation or flash sector verification. |
| QPRC with AIN/BIN/ZIN inputs | Dedicated quadrature decoder with 16-bit position/revolution counters - eliminates software polling overhead for servo motor position feedback in real-time control loops. |
| 5 V-tolerant I/O pins | Selected GPIOs withstand 5 V logic levels while powered from 3.3 V - simplifies interface to legacy industrial sensors and actuators without level shifters. |
| HDMI-CEC transceiver | Integrated CEC protocol engine with automatic header transmission, ACK reply, and arbitration loss detection - enables direct TV/AVR remote control integration without external transceiver IC. |
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 using PWM timers, ADC-triggered current sampling, and QPRC-based rotor position tracking. Use Value: Sub-2 µs ADC conversion and deterministic timer interrupt latency enable <10 µs current loop update - meeting IEC 61800-3 safety-critical timing constraints. | Use Scenario: Touch-enabled thermostat and lighting control panel with local display and remote IR/CEC command handling. IC Role / Device Role / Timing Role: Central HMI controller managing capacitive touch sensing, segment LCD driving, and HDMI-CEC/IR signal decoding. Use Value: Integrated CEC transceiver and 4-byte IR buffer eliminate external protocol ICs - reducing BOM cost and board area by 30% vs discrete solution. |
| Energy Metering Gateway | Factory Automation I/O Module |
Use Scenario: Residential energy gateway aggregating smart meter data via RS-485 and reporting via Wi-Fi/Ethernet. IC Role / Device Role / Timing Role: Protocol translation hub with UART-to-CSIO bridging, CRC-accelerated frame validation, and RTC-stamped event logging. Use Value: Hardware CRC32 offload cuts communication stack CPU load by ~45% - freeing cycles for TLS encryption and OTA update management. | Use Scenario: DIN-rail mounted digital I/O module converting 24 V DC field signals to Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Isolated I/O conditioner with programmable debounce, edge-triggered interrupts, and watchdog-monitored Modbus response timing. Use Value: Dual watchdog (hardware + software) ensures fail-safe recovery from bus lockup - achieving SIL-2 compliance for industrial safety interlocks. |
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 hardware CRC. | Targeted at cost-sensitive consumer HMI; unsuitable for motor position feedback or secure firmware update workflows. | Select when higher CPU speed is prioritized over motor control peripherals and field firmware resilience. |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB SRAM, includes ELC event linker and SCI/I²C - no dual-bank Flash or HDMI-CEC. | Optimized for low-power sensor fusion and USB-CPD; lacks industrial-grade RTC accuracy and CEC protocol stack. | Prefer for battery-powered IoT nodes requiring floating-point math and USB connectivity over industrial protocol support. |
Compared with STM32F103VCT6 and RA4M1, CY9AF155NBPMC-G-JNK1E2 uniquely combines dual-bank Flash for safe firmware updates, QPRC for motor position sensing, and integrated HDMI-CEC - making it the only option among the three qualified for industrial motor drives with embedded AV control.
Availability
CY9AF155NBPMC-G-JNK1E2 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 extended product lifecycles.
Supply support for CY9AF155NBPMC-G-JNK1E2 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.
This device belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, designed specifically for cost-optimized, low-power industrial embedded applications requiring robust peripheral integration and long-term supply assurance.
FAQ
Does CY9AF155NBPMC-G-JNK1E2 support debug trace functionality?
No. This variant implements Serial Wire JTAG Debug Port (SWJ-DP) only - it lacks Embedded Trace Macrocell (ETM) hardware. Trace-capable variants in the FM3 family (e.g., CY9AF154MB) are explicitly documented as ETM-supported; CY9AF155NBPMC-G-JNK1E2's datasheet confirms SWJ-DP-only debug capability on page 4.
What is the maximum operating temperature range for this MCU?
The CY9AF155NBPMC-G-JNK1E2 is rated for industrial temperature range: –40 °C to +85 °C. This is confirmed in the "Absolute Maximum Ratings" section of the datasheet (Document No. 002-05646 Rev. *F), where ambient operating temperature is specified as TA = –40 to +85 °C under normal VCC conditions.
Can the dual-bank Flash be used for secure firmware updates?
Yes. The dual-bank architecture (496 KB upper + 16 KB lower) enables secure firmware updates: new firmware is written to the inactive bank while the system runs from the active bank, followed by atomic bank swap via BOOT register configuration - preventing corruption during power loss.
Is the RTC battery-backed when VCC is removed?
No. The RTC operates from VCC and requires continuous main power. For battery-backed timekeeping, an external coin-cell and diode-OR circuit must supply VCC_RTC independently - the chip does not integrate a dedicated VBAT pin or internal battery switchover circuit.
CY9AF155NBPMC-G-JNK1E2 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
- Speed:
- 40MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 416KB (416K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 48K 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:
CY9AF155NBPMC-G-JNK1E2 FAQ
1.How can I place an order for CY9AF155NBPMC-G-JNK1E2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF155NBPMC-G-JNK1E2 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 CY9AF155NBPMC-G-JNK1E2 reliable?
The price and inventory of CY9AF155NBPMC-G-JNK1E2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF155NBPMC-G-JNK1E2 is usually 5 days.
3.What payment methods are accepted for CY9AF155NBPMC-G-JNK1E2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF155NBPMC-G-JNK1E2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF155NBPMC-G-JNK1E2?
CY9AF155NBPMC-G-JNK1E2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF155NBPMC-G-JNK1E2 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 CY9AF155NBPMC-G-JNK1E2?
For technical support, including CY9AF155NBPMC-G-JNK1E2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF155NBPMC-G-JNK1E2 requirements.
6.How does Aetrix verify that CY9AF155NBPMC-G-JNK1E2 is sourced from the original manufacturer or authorized distributors?
All CY9AF155NBPMC-G-JNK1E2 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 CY9AF155NBPMC-G-JNK1E2 meets industry standards.
7.What is the process for return or replacement of CY9AF155NBPMC-G-JNK1E2?
All CY9AF155NBPMC-G-JNK1E2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF155NBPMC-G-JNK1E2, 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 CY9AF155NBPMC-G-JNK1E2 part is unused and in its original packaging.
Return procedure for CY9AF155NBPMC-G-JNK1E2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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