Infineon Technologies CY9AF312LAPMC1-G-MNE2
- Part No.:
- CY9AF312LAPMC1-G-MNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY9AF312LAPMC1-G-MNE2.pdf
- Description:
- IC MM MCU 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,600
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Product details
Overview
CY9AF312LAPMC1-G-MNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 512 KB on-chip Flash, 32 KB SRAM (16 KB SRAM0 + 16 KB SRAM1), USB 2.0 Full-Speed device/host interface, and integrated motor control peripherals including QPRC, multi-function timers, and 12-bit ADCs. It operates up to 40 MHz and targets embedded motor control, industrial automation, and USB-connected sensor nodes.
For engineers reviewing the CY9AF312LAPMC1-G-MNE2 datasheet, CY9AF312LAPMC1-G-MNE2 pinout, CY9AF312LAPMC1-G-MNE2 application, or CY9AF312LAPMC1-G-MNE2 equivalent, key selection criteria include USB dual-role capability, 8-channel DMA, external bus interface support, LIN 2.1 compliance, and 2.7–5.5 V wide-voltage operation with 5V-tolerant GPIOs on select pins.
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 separates instruction/data access via SRAM0 (I/D-code bus) and system access via SRAM1 (system bus), enabling concurrent CPU and DMA operations without contention.
The peripheral set includes dual USB controllers (device + host), eight-channel multi-function serial interfaces (UART/CSIO/LIN/I²C), three 12-bit ADC units (1 µs conversion @ 5 V), and dedicated motor timing blocks: QPRC for encoder position tracking, base timers with PWM/PPG modes, and multi-function timers with A/D activation compare and DTIF emergency stop triggers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M3 r2p1, 40 MHz max operation - enables deterministic real-time control with low-latency interrupt response. |
| Flash Memory | 512 KB, 0-wait-state read - supports fast code execution and firmware updates without performance penalty. |
| SRAM | 32 KB total (16 KB SRAM0 + 16 KB SRAM1) - enables concurrent instruction fetch and data access for high-throughput processing. |
| USB Interface | Full-Speed device (6 endpoints, double-buffered) + host (256-byte packets, auto-connect detection) - enables bidirectional USB communication in standalone or hub-connected systems. |
| ADC | Three 12-bit successive-approximation units, 1.0 µs conversion @ 5 V - delivers high-resolution analog sensing for motor current/voltage feedback loops. |
| Timers | 8-channel base timer (PWM/PPG/reload/PWC), 2-unit multi-function timer (input capture/output compare/A/D activation), 2-unit QPRC - provides full encoder-based motion control with dead-time insertion and emergency stop triggering. |
| Supply Voltage | VCC: 2.7–5.5 V; USBVCC: 3.0–3.6 V (or 2.7–5.5 V when used as GPIO supply) - supports direct connection to industrial 3.3 V/5 V rails and mixed-signal USB I/O isolation. |
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 | Dual power domains: VCC powers core/peripherals; USBVCC (separate pin) isolates USB I/O voltage for ESD robustness and signal integrity. |
| XTAL / EXTAL | Main clock oscillator input/output | Accepts 4–48 MHz crystal or external clock source - sets system timing baseline for PLL and USB clock generation. |
| USB_DP / USB_DM | USB 2.0 differential data pair | Full-Speed (12 Mbps) signaling with internal pull-up on USB_DP - enables plug-and-play device enumeration without external components. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O with port relocate | 83 total GPIOs; flexible peripheral mapping via software-configurable port relocation - simplifies PCB layout and pin conflict resolution. |
| AD0–AD15 | Analog input channels | 16-channel ADC input multiplexing - supports simultaneous sampling across motor phase currents, temperature sensors, and supply monitors. |
| QPA / QPB / QPZ | Quadrature encoder inputs | Dedicated A/B/Z inputs per QPRC unit - enables precise position and revolution counting with configurable edge detection and 16-bit counters. |
Key Features
| Feature | Design Value |
|---|---|
| USB Dual-Role Controller | Integrated device + host PHY and protocol stack support - eliminates need for external USB transceivers or companion chips in portable diagnostic tools. |
| Motor Control Timer Set | QPRC + multi-function timer + DTIF interrupt - enables closed-loop servo control with hardware-accelerated encoder tracking and fault-safe shutdown. |
| Flexible Serial Interface | 8 channels configurable as UART/CSIO/LIN/I²C - allows single MCU to manage CAN gateway (via LIN-to-CAN bridge), display interface, and sensor telemetry simultaneously. |
| Low-Voltage Detection | Two-stage LVD (LVD1 interrupt, LVD2 reset) - ensures safe shutdown during brown-out conditions in battery-powered industrial equipment. |
| CRC Accelerator | Hardware CCITT CRC16 and IEEE-802.3 CRC32 - offloads integrity checking from CPU during firmware OTA updates or sensor data logging. |
Applications
| Industrial Motor Drive | USB-Based Diagnostic Tool |
|---|---|
Use Scenario: Brushless DC motor control in HVAC blowers with position feedback and thermal monitoring. IC Role / Device Role / Timing Role: Real-time motor commutation controller using QPRC for rotor position, base timers for PWM generation, and ADC for current sensing. Use Value: Hardware-accelerated DTIF interrupt ensures <1 µs emergency stop response upon overcurrent detection, meeting IEC 61800-5-2 functional safety requirements. | Use Scenario: Portable field service tool that connects to automotive ECUs via USB and LIN. IC Role / Device Role / Timing Role: USB host for PC communication and LIN master for ECU interrogation, with shared SRAM for protocol translation buffers. Use Value: Integrated USB host + LIN 2.1 eliminates external protocol bridges, reducing BOM cost and board area by 35% versus discrete solutions. |
| Smart Power Meter | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: DIN-rail mounted meter with voltage/current measurement, tamper detection, and USB firmware update port. IC Role / Device Role / Timing Role: Analog front-end controller with three 12-bit ADCs for simultaneous phase sampling and CRC-accelerated data integrity verification. Use Value: 1 µs ADC conversion time enables 16 kS/s sampling across 16 channels, satisfying IEC 62053-22 Class 0.5S accuracy requirements. | Use Scenario: Modular PLC expansion module with isolated digital I/O, analog inputs, and USB configuration interface. IC Role / Device Role / Timing Role: Central I/O manager using external bus interface to drive parallel I/O expanders and DMA to stream sensor data to USB host. Use Value: 8-ch DMA with 32-bit addressing enables zero-CPU-overhead transfer of 256-byte I/O snapshots at 1 kHz, sustaining deterministic scan cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F303VCT6 | ARM Cortex-M4F core, 72 MHz, no USB host, only one QEI unit, 256 KB Flash | Lacks dual-role USB and second QPRC - unsuitable for USB-LIN gateways or dual-motor systems | Select when floating-point math or higher CPU throughput is required, but USB host and dual encoder support are not needed. |
| RA4M1 (R7FA4M1AB3CFM) | ARM Cortex-M4, 48 MHz, USB device-only, no external bus interface, 256 KB Flash | No USB host or external memory expansion - limits use in data-logging concentrators or firmware-updatable modules | Prefer for low-power, USB-device-only applications where Renesas' Flexible Software Package reduces development time. |
Compared with STM32F303VCT6 and RA4M1, CY9AF312LAPMC1-G-MNE2 uniquely combines USB device+host, dual QPRC, external bus interface, and 512 KB Flash in a 100-pin LQFP - making it optimal for space-constrained, multi-protocol industrial controllers requiring field-upgradable firmware and dual-motor coordination.
Availability
CY9AF312LAPMC1-G-MNE2 is available at Aetrix Electronics and suitable for industrial motor drives, USB diagnostic tools, smart power meters, and PLC I/O modules requiring stable component supply across long product lifecycles.
Supply support for CY9AF312LAPMC1-G-MNE2 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 global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive MCUs, and industrial control solutions.
This part belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, designed specifically for cost-sensitive, high-performance embedded control applications requiring integrated motor timing, USB connectivity, and industrial-grade reliability.
FAQ
Does CY9AF312LAPMC1-G-MNE2 support USB host mode with low-speed devices?
Yes. The integrated USB host controller supports both Full-Speed (12 Mbps) and Low-Speed (1.5 Mbps) devices, including automatic connect/disconnect detection and IN/OUT token handshake packet handling. It complies with USB 2.0 specification and supports up to 256-byte packet length with built-in wake-up functionality.
What is the maximum ADC sampling rate achievable with all 16 channels?
With scanning mode enabled across all 16 channels and 1.0 µs per 12-bit conversion, the theoretical maximum aggregate sampling rate is 16 MS/s. However, practical throughput is limited by FIFO depth (16 steps for SCAN mode) and DMA transfer overhead; sustained continuous sampling achieves up to 1.25 MS/s across all channels using burst-mode DMA transfers.
Is the external bus interface compatible with common NOR flash devices?
Yes. The 8-bit/16-bit external bus interface supports standard Common Flash Interface (CFI) NOR flash devices with up to 25-bit addressing (128 MB per chip select). It includes programmable wait-state control, RDY signal support, and address/data multiplexing - validated with Spansion S29GLxxx devices in reference designs.
How does the port relocate function simplify PCB design?
The port relocate register allows runtime assignment of peripheral functions (e.g., UART0 TX, I²C0 SCL) to any GPIO pin within the same port group, decoupling schematic layout from fixed peripheral pinouts. This avoids routing congestion and enables reuse of existing board layouts across different FM3 variants without hardware changes.
CY9AF312LAPMC1-G-MNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- FM3 MB9A310A
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit
- Speed:
- 40MHz
- Connectivity:
- CSIO, I2C, LINbus, SPI, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 51
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 9x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AF312LAPMC1-G-MNE2 FAQ
1.How can I place an order for CY9AF312LAPMC1-G-MNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF312LAPMC1-G-MNE2 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 CY9AF312LAPMC1-G-MNE2 reliable?
The price and inventory of CY9AF312LAPMC1-G-MNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF312LAPMC1-G-MNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF312LAPMC1-G-MNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF312LAPMC1-G-MNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF312LAPMC1-G-MNE2?
CY9AF312LAPMC1-G-MNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF312LAPMC1-G-MNE2 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 CY9AF312LAPMC1-G-MNE2?
For technical support, including CY9AF312LAPMC1-G-MNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF312LAPMC1-G-MNE2 requirements.
6.How does Aetrix verify that CY9AF312LAPMC1-G-MNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF312LAPMC1-G-MNE2 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 CY9AF312LAPMC1-G-MNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF312LAPMC1-G-MNE2?
All CY9AF312LAPMC1-G-MNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF312LAPMC1-G-MNE2, 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 CY9AF312LAPMC1-G-MNE2 part is unused and in its original packaging.
Return procedure for CY9AF312LAPMC1-G-MNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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