My Inquiry
My Account
Infineon Technologies CY9AFA42NBPQC-G-JNE2
- Part No.:
- CY9AFA42NBPQC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-BQFP
- Datasheet:
-
CY9AFA42NBPQC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 160KB FLASH 100PQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,341
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY9AFA42NBPQC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M3 microcontroller with dual-bank flash (240 KB + 16 KB), 32 KB on-chip SRAM (16 KB SRAM0 + 16 KB SRAM1), and integrated LCD controller supporting up to 40 SEG × 8 COM. It operates at up to 40 MHz, supports six low-power modes including Deep Standby RTC, and targets embedded control in industrial HMI and appliance panels.
For engineers reviewing the CY9AFA42NBPQC-G-JNE2 datasheet, CY9AFA42NBPQC-G-JNE2 pinout, CY9AFA42NBPQC-G-JNE2 application, or CY9AFA42NBPQC-G-JNE2 equivalent, key selection criteria include dual-operation flash capability, hardware flow control on UART ch.4, HDMI-CEC transceiver support, and 5 V-tolerant I/O on selected pins for mixed-voltage interface design.
Technical Context
This MCU implements the ARM Cortex-M3 r2p1 core with an integrated Nested Vectored Interrupt Controller (NVIC) supporting 48 peripheral interrupts across 16 priority levels and a 24-bit SysTick timer for RTOS scheduling. Its memory subsystem features independent I-code/D-code and system buses enabling concurrent CPU and DMA access to SRAM0 and SRAM1.
The peripheral set includes an 8-channel DMA controller with 32-bit addressing, dual 12-bit ADCs (2.0 μs conversion @ 2.7–3.6 V), and a programmable LCD controller with internal bias resistors and blinking function - all clocked from selectable sources including 32.768 kHz sub-clock and 4 MHz built-in CR oscillator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time control with Thumb-2 instruction set and NVIC for low-latency interrupt handling. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - allows background firmware updates without halting execution. |
| SRAM | 32 KB total (16 KB SRAM0 on I/D bus + 16 KB SRAM1 on system bus) - supports simultaneous CPU instruction fetch and DMA data transfer. |
| ADC | Dual 12-bit SAR ADC, 2.0 μs conversion time @ 2.7–3.6 V - suitable for fast-sampling sensor interfaces in motor control or power monitoring. |
| LCDC | 40 SEG × 8 COM, internal bias resistors, blinking function - drives segment-based displays without external voltage dividers or timing ICs. |
| Low-Power Modes | Six modes including Deep Standby RTC with RAM retention - extends battery life in always-on remote control receivers and smart meter displays. |
| HDMI-CEC | Integrated transmitter/receiver with automatic ACK, arbitration loss detection, and 1-byte block transmission - enables direct CEC protocol handling without external transceivers. |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply / Ground | Core I/O supply (1.65–3.6 V); separate analog ground pins reduce noise coupling into ADC/LCDC circuits. |
| P00–P07, P10–P17, etc. | General-purpose I/O | Up to 83 GPIOs; port relocate function allows flexible peripheral mapping; some pins are 5 V tolerant for legacy interface compatibility. |
| XTAL1/XTAL2 | Main clock oscillator input | Accepts 4–48 MHz crystal or external clock source; feeds main PLL for high-speed core operation. |
| OSC32K | Sub-clock input | 32.768 kHz crystal connection for RTC and low-power timer functions during Stop/Deep Standby modes. |
| LCDD0–LCDD7, LCDSEG0–LCDSEG39 | LCD data and segment drivers | Direct drive of up to 320 segment electrodes; internal voltage divider eliminates need for external bias network. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-operation Flash | Independent erase/write/read on upper and lower banks enables seamless firmware field updates without application interruption. |
| Hardware Flow Control (UART ch.4) | CTS/RTS handshake support prevents buffer overrun in high-throughput serial communication with external modems or sensors. |
| Integrated HDMI-CEC Transceiver | Full protocol stack handling - header generation, arbitration, ACK reply, and error detection - reduces BOM count and firmware overhead. |
| Port Relocate Function | Runtime remapping of peripheral functions (e.g., UART, I²C) to alternate GPIO pins simplifies PCB layout and avoids signal congestion. |
| Two-stage LVD | LVD1 triggers interrupt for graceful shutdown; LVD2 asserts reset below safe operating voltage - ensures reliable brown-out recovery. |
Applications
| Industrial HMI Panels | Smart Appliance Control |
|---|---|
Use Scenario: Touchless control panel for HVAC systems with segmented LCD display and IR remote interface. IC Role / Device Role / Timing Role: Main system controller managing LCD refresh, HDMI-CEC command parsing, and real-time temperature regulation via ADC sampling. Use Value: Integrated LCDC and CEC eliminate external driver ICs; dual-bank flash enables OTA updates during idle periods without display flicker. | Use Scenario: Washing machine main board requiring motor control, water-level sensing, and user display with power-loss resilience. IC Role / Device Role / Timing Role: Central MCU executing PID motor control loops, scanning 24-channel ADC for pressure/temperature, and maintaining RTC during door-open standby. Use Value: Six low-power modes (including Deep Standby RTC) extend battery backup life; 5 V-tolerant GPIOs interface directly with legacy relay drivers. |
| Remote Control Receivers | Energy Monitoring Devices |
Use Scenario: Universal IR/CEC remote hub aggregating commands from multiple consumer electronics devices. IC Role / Device Role / Timing Role: HDMI-CEC receiver and transmitter handling arbitration, ACK, and repeat code detection; Watch Counter wakes MCU from Sleep mode on signal edge. Use Value: Hardware-accelerated CEC logic offloads 100% of protocol timing-critical tasks from firmware; 32.768 kHz RTC maintains accurate wake schedule. | Use Scenario: DIN-rail mounted energy meter with LCD display, current/voltage sensing, and RS-485 communication. IC Role / Device Role / Timing Role: Data acquisition controller performing synchronized 12-bit ADC sampling across 24 channels, CRC32 checksumming of stored logs, and UART-to-RS485 bridging. Use Value: CRC accelerator reduces CPU load by >70% during flash log integrity checks; external bus interface supports optional NOR flash expansion for extended data history. |
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 | Single-bank 256 KB Flash, no integrated LCDC or HDMI-CEC; 72 MHz max clock; 48 KB SRAM. | Requires external LCD driver and CEC transceiver; better suited for general-purpose control without display integration. | Select when higher CPU performance is prioritized over display/CEC integration and external component count must be minimized. |
| RA4M1 (R7FA4M1AB3CFM) | ARM Cortex-M4F core, 48 MHz, 256 KB Flash, 32 KB SRAM; includes segment LCD controller but no HDMI-CEC. | Lacks native CEC support; adds FPU for floating-point math; uses Renesas' Flexible Software Package instead of CMSIS. | Choose for applications needing DSP capability or migration path to Renesas ecosystem, accepting added software abstraction layer. |
Compared with STM32F103VCT6 and RA4M1, CY9AFA42NBPQC-G-JNE2 uniquely integrates dual-bank flash, full HDMI-CEC transceiver, and 40×8 segment LCD driver in a single 100-pin LQFP package - reducing system-level BOM cost and firmware complexity for display-centric consumer electronics.
Availability
CY9AFA42NBPQC-G-JNE2 is available at Aetrix Electronics and suitable for industrial HMI panels, smart appliance control, remote control receivers, and energy monitoring devices requiring stable component supply and long-term lifecycle support.
Supply support for CY9AFA42NBPQC-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 AG is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global R&D and manufacturing infrastructure.
This device belongs to the FM3 family of 32-bit microcontrollers designed specifically for cost-sensitive, low-power embedded applications requiring integrated human-machine interface peripherals - especially LCD driving and consumer electronics control protocols like HDMI-CEC.
FAQ
Does CY9AFA42NBPQC-G-JNE2 support external memory expansion?
Yes, it includes an External Bus Interface supporting up to 256 MB address space with 8 chip selects and 8-/16-bit data width. However, this feature is explicitly disabled in the CY9AFA42NBPQC-G-JNE2 variant per the datasheet - only CY9AA40NB series members with "LB" or "MB" suffixes implement EBI functionality.
What debug interfaces does CY9AFA42NBPQC-G-JNE2 provide?
It supports Serial Wire JTAG Debug Port (SWJ-DP) compliant with ARM CoreSight standards. Embedded Trace Macrocell (ETM) is not implemented in this variant - only SWJ-DP is available for breakpoint setting, register inspection, and flash programming via standard tools like Segger J-Link or ST-Link v2 adapters.
Is the LCD controller capable of driving graphic LCDs?
No, the integrated LCDC is strictly a segment-type controller supporting up to 40 segment lines and 8 common lines (320 segments max). It lacks frame buffer RAM, pixel-addressing logic, or RGB interface - making it unsuitable for dot-matrix or TFT displays requiring graphical rendering.
How is the Unique ID used in secure boot implementations?
The factory-programmed 41-bit Unique ID is accessible via dedicated register and can serve as entropy source or device-specific key seed in bootloader authentication routines. It is not writable or erasable, ensuring consistent identification across firmware versions and enabling binding of cryptographic keys to hardware identity.
CY9AFA42NBPQC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-BQFP
- Series:
- FM3 MB9AA40NB
- 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, UART/USART
- Peripherals:
- DMA, LCD, 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):
- 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:
CY9AFA42NBPQC-G-JNE2 FAQ
1.How can I place an order for CY9AFA42NBPQC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AFA42NBPQC-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 CY9AFA42NBPQC-G-JNE2 reliable?
The price and inventory of CY9AFA42NBPQC-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 CY9AFA42NBPQC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9AFA42NBPQC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AFA42NBPQC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AFA42NBPQC-G-JNE2?
CY9AFA42NBPQC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AFA42NBPQC-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 CY9AFA42NBPQC-G-JNE2?
For technical support, including CY9AFA42NBPQC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AFA42NBPQC-G-JNE2 requirements.
6.How does Aetrix verify that CY9AFA42NBPQC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AFA42NBPQC-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 CY9AFA42NBPQC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9AFA42NBPQC-G-JNE2?
All CY9AFA42NBPQC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AFA42NBPQC-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 CY9AFA42NBPQC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9AFA42NBPQC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY9AFA42NBPQC-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
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.
