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Infineon Technologies CY9AFA42MBPMC1-G-JNE2
- Part No.:
- CY9AFA42MBPMC1-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
CY9AFA42MBPMC1-G-JNE2.pdf
- Description:
- IC MCU 32BIT 160KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,352
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Product details
Overview
CY9AFA42MBPMC1-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M3 microcontroller with 256 KB dual-bank Flash, 32 KB 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 includes hardware flow control on UART ch.4 - used in industrial HMI panels requiring local display, sensor interfacing, and reliable serial communication.
For engineers reviewing the CY9AFA42MBPMC1-G-JNE2 datasheet, CY9AFA42MBPMC1-G-JNE2 pinout, CY9AFA42MBPMC1-G-JNE2 application, or CY9AFA42MBPMC1-G-JNE2 equivalent, key selection criteria include dual-bank Flash for safe firmware updates, 5 V-tolerant GPIOs on selected pins, HDMI-CEC/remote receiver support, and SWJ-DP debug interface compatibility with standard ARM toolchains.
Technical Context
This MCU implements the 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 independent I-code/D-code buses for SRAM0 and system bus for SRAM1, enabling concurrent CPU and DMA access without contention.
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 LCDC 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, up to 40 MHz - enables deterministic real-time execution with Thumb-2 instruction set and low-latency interrupt handling. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - allows background write/erase during code execution for robust OTA updates. |
| SRAM | 32 KB total (16 KB SRAM0 on I/D bus + 16 KB SRAM1 on system bus) - supports parallel CPU and DMA data movement without bus arbitration delay. |
| ADC | Dual 12-bit SAR ADC, 2.0 μs conversion time @ 2.7–3.6 V - suitable for fast analog sensing in motor control or power monitoring loops. |
| LCDC | 40 SEG × 8 COM, internal bias resistors, VV0–VV4 pins - drives segment-based LCDs directly without external voltage dividers or charge pumps. |
| Low-Power Modes | Six modes including Deep Standby RTC (RAM retention optional) - extends battery life in always-on remote controls or metering devices. |
| Debug Interface | Serial Wire JTAG Debug Port (SWJ-DP) - enables full visibility into core state, registers, and memory using standard ARM Cortex debug tools. |
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/digital ground pins reduce noise coupling in mixed-signal operation. |
| XTAL / EXTAL | Main clock input/output | Connects to 4–48 MHz crystal or external clock source; enables precise timing for USB, UART, and real-time control loops. |
| OSC32K / OSC32KIN | Sub-clock input | Drives 32.768 kHz RTC and Watch Counter; supports low-power wake-up intervals up to 64 s. |
| SEG0–SEG39 / COM0–COM7 | LCDC segment/com output | Direct drive outputs for static or multiplexed LCDs; internal resistor ladder eliminates need for external bias network. |
| P00–P07, P10–P17, etc. | General-purpose I/O | Up to 83 GPIOs with port relocate function and per-pin pull-up control; some pins are 5 V tolerant for legacy interface compatibility. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables seamless firmware update: execute from upper bank while programming lower bank, eliminating system downtime. |
| HDMI-CEC/Remote receiver | Integrated protocol engine handles header block transmission, arbitration loss detection, and automatic ACK reply - reduces host CPU overhead in AV control systems. |
| Hardware watchdog (CR-clocked) | Remains active in Sleep, Timer, and RTC modes - ensures fail-safe recovery even during ultra-low-power operation. |
| CRC accelerator (CRC16/CRC32) | Offloads integrity checks from CPU for UART/CSIO reception and Flash data verification, improving throughput and determinism. |
| Port relocate function | Allows dynamic assignment of peripheral functions (UART, I²C, timers) to alternate GPIO pins - simplifies PCB layout and avoids signal congestion. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
Use Scenario: Local display and button-driven configuration of PLC I/O modules in factory automation cabinets. IC Role / Device Role / Timing Role: Main controller managing LCD refresh, ADC sampling of current/voltage sensors, and UART communication with Modbus RTU slave devices. Use Value: Dual-bank Flash enables field firmware upgrades without halting panel operation; 5 V-tolerant GPIOs interface directly with legacy 5 V logic inputs. | Use Scenario: Residential electricity meter with LCD display, tamper detection, and infrared/RS-485 communication. IC Role / Device Role / Timing Role: System-on-chip handling metrology calculations, RTC-based billing intervals, and secure firmware validation via CRC accelerator. Use Value: Deep Standby RTC mode maintains accurate timekeeping at <1 μA, extending battery life beyond 10 years in backup power scenarios. |
| AV Remote Control Hub | White Goods Control Board |
Use Scenario: Central IR/CEC gateway coordinating TV, soundbar, and streaming stick power states and volume control. IC Role / Device Role / Timing Role: HDMI-CEC protocol processor with automatic START/EOM generation and repeat-code detection for IR learning. Use Value: Integrated CEC transmitter/receiver eliminates need for external transceivers; 4-byte IR buffer supports multi-key press sequences. | Use Scenario: Washing machine main board managing motor phase control, temperature sensing, and user interface feedback. IC Role / Device Role / Timing Role: Real-time controller executing PWM-driven BLDC commutation, scanning 24-channel ADC for NTC thermistors, and driving segmented LCD status display. Use Value: Base timers configured as 16-/32-bit reload/PWM units provide precise motor timing; dual ADCs sample multiple sensors simultaneously. |
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 |
|---|---|---|---|
| CY9AA40NBPMC1-G-JNE2 | Same family, identical package and pinout, but lacks HDMI-CEC/remote receiver and hardware flow control on UART ch.4. | Not suitable for AV remote hubs or systems requiring guaranteed serial handshaking under variable load. | Select only if CEC/flow control are unused and cost optimization is critical. |
| STM32F103VCT6 | ARM Cortex-M3 @ 72 MHz, 256 KB Flash, 48 KB SRAM, no integrated LCDC or CEC; requires external LCD driver. | Better suited for high-speed control loops but adds BOM cost and PCB area for display interface. | Choose when higher CPU performance is needed and display is OLED or driven by external controller. |
Compared with CY9AA40NBPMC1-G-JNE2 and STM32F103VCT6, the CY9AFA42MBPMC1-G-JNE2 uniquely integrates LCD driver, CEC, and dual-bank Flash in a 100-pin LQFP - reducing component count and firmware complexity for cost-sensitive embedded HMI designs.
Availability
CY9AFA42MBPMC1-G-JNE2 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy meters, AV remote control hubs, and white goods control boards requiring stable component supply and long-term lifecycle support.
Supply support for CY9AFA42MBPMC1-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 leader specializing in power management, automotive ICs, and embedded controllers, with global manufacturing and quality certification to ISO 9001 and IATF 16949.
This device belongs to the FM3 family of 32-bit microcontrollers designed for cost-sensitive, low-power industrial and consumer HMI applications - emphasizing integrated peripherals, robust flash reliability, and simplified system-level design.
FAQ
Does CY9AFA42MBPMC1-G-JNE2 support external memory expansion?
No. Unlike other members of the CY9AA40NB series (e.g., CY9AFA41LB), this variant explicitly omits the External Bus Interface per the datasheet - it relies solely on on-chip Flash and SRAM. Systems requiring NOR Flash or SRAM expansion must select a different part number from the same family.
What is the maximum operating voltage for the LCDC function?
The LCDC requires VCC = 2.2 V to 3.6 V, as specified in the "Recommended Operating Conditions" section (Page 72). Operation below 2.2 V disables LCD drive capability, though core logic remains functional at 1.65 V - making dual-voltage design mandatory for LCD-enabled applications.
Is hardware flow control available on all UART channels?
Hardware flow control (CTS/RTS) is supported only on UART channel 4, as confirmed in the "UART" feature description (Page 2). Channels 0–3 lack RTS/CTS pins and associated control logic - software flow control or buffering must be used for those interfaces.
How does the dual-bank Flash architecture improve firmware update safety?
Dual-bank Flash allows one bank (e.g., upper 240 KB) to run active firmware while the other (lower 16 KB work area) is erased and reprogrammed. This prevents execution interruption during updates and enables atomic swap-on-reset - critical for medical or industrial systems where downtime is unacceptable.
CY9AFA42MBPMC1-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 80-LQFP
- 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:
- 66
- 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 17x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AFA42MBPMC1-G-JNE2 FAQ
1.How can I place an order for CY9AFA42MBPMC1-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AFA42MBPMC1-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 CY9AFA42MBPMC1-G-JNE2 reliable?
The price and inventory of CY9AFA42MBPMC1-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 CY9AFA42MBPMC1-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9AFA42MBPMC1-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AFA42MBPMC1-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AFA42MBPMC1-G-JNE2?
CY9AFA42MBPMC1-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AFA42MBPMC1-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 CY9AFA42MBPMC1-G-JNE2?
For technical support, including CY9AFA42MBPMC1-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AFA42MBPMC1-G-JNE2 requirements.
6.How does Aetrix verify that CY9AFA42MBPMC1-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AFA42MBPMC1-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 CY9AFA42MBPMC1-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9AFA42MBPMC1-G-JNE2?
All CY9AFA42MBPMC1-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AFA42MBPMC1-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 CY9AFA42MBPMC1-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9AFA42MBPMC1-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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