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Infineon Technologies CY9AF311LAPMC1-G-MNE2
- Part No.:
- CY9AF311LAPMC1-G-MNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY9AF311LAPMC1-G-MNE2.pdf
- Description:
- IC MM MCU 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,600
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Product details
Overview
CY9AF311LAPMC1-G-MNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 512 KB on-chip Flash, 32 KB SRAM (split into two 16 KB banks), USB 2.0 Full-Speed device/host interface, and integrated motor control peripherals including 8-channel Base Timers, QPRC, and multi-function serial interfaces (UART/CSIO/LIN/I²C). It operates up to 40 MHz and targets embedded motor control, industrial automation, and USB-connected sensor nodes.
For engineers reviewing the CY9AF311LAPMC1-G-MNE2 datasheet, CY9AF311LAPMC1-G-MNE2 pinout, CY9AF311LAPMC1-G-MNE2 application, or CY9AF311LAPMC1-G-MNE2 equivalent, key selection criteria include its dual-bank SRAM architecture for real-time task isolation, built-in USB PLL eliminating external crystal dependency, 12-bit ADC with 1.0 µs conversion at 5 V, and support for LIN 2.1 and hardware flow control on select UART channels.
Technical Context
The CY9AF311LAPMC1-G-MNE2 implements an 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 zero-wait-state Flash execution and separate I/D-code bus access to SRAM0, enabling deterministic instruction fetch during DMA transfers to SRAM1.
Peripheral integration includes a dedicated 8-channel DMA controller with independent bus access, three 12-bit successive-approximation ADC units (2 units confirmed for this variant), and a quadrature position/revolution counter (QPRC) with configurable AIN/BIN/ZIN edge detection and dual 16-bit compare registers - all optimized for closed-loop motor position feedback without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M3 r2p1, 40 MHz max operation - enables deterministic real-time control with sub-25 ns instruction cycle time. |
| Flash Memory | 512 KB, 0 wait-state read - supports fast interrupt response and in-field firmware updates without performance penalty. |
| SRAM | 32 KB total (SRAM0: 16 KB on I/D bus; SRAM1: 16 KB on system bus) - allows concurrent CPU code execution and DMA-buffered peripheral data transfer. |
| USB Interface | Full-Speed device/host with integrated PLL - eliminates need for external 48 MHz crystal; supports 6 endpoints with double buffering. |
| ADC | 12-bit SAR, 2 units, 1.0 µs conversion @ 5 V - provides high-resolution analog sensing for motor current/voltage monitoring. |
| Timers | 8-channel Base Timer (PWM/PPG/reload/PWC), 2-unit QPRC, 2-unit Multi-function Timer - delivers comprehensive motor timing, encoder counting, and waveform generation in one chip. |
| Serial Interfaces | Up to 8 channels: UART/CSIO/LIN/I²C; LIN 2.1 compliant with programmable break field (13–16 bit) - meets automotive body electronics communication requirements. |
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 (2.7–5.5 V) for logic/peripherals; USBVCC (3.0–3.6 V) required when USB I/O active. |
| XTAL / EXTAL | Main clock oscillator input/output | Accepts 4–48 MHz crystal; enables precise timing for USB PLL and real-time control loops. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Direct connection to USB connector; internal pull-up on USB_DP enables device enumeration without external resistor. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O with port relocation | 83 GPIOs total; flexible peripheral mapping via register-controlled port relocation - simplifies PCB layout and design reuse. |
| AD0–AD15 | Analog input channels | 16-channel ADC input multiplexer; supports scanning mode with 16-step FIFO - ideal for multi-sensor acquisition in motor drives. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank SRAM architecture | SRAM0 (I/D bus) and SRAM1 (system bus) enable simultaneous CPU execution and DMA-peripheral data movement without bus contention. |
| Integrated USB PLL | Generates 48 MHz USB clock from main oscillator - removes external crystal and associated layout constraints for USB-enabled designs. |
| QPRC with configurable edge detection | 16-bit position/revolution counters with programmable AIN/BIN/ZIN sampling edges - supports diverse encoder signal formats in servo and BLDC applications. |
| LIN 2.1 protocol engine | Hardware LIN break field (13–16 bit) and delimiter (1–4 bit) generation - ensures compliance with automotive LIN cluster timing requirements without software overhead. |
| CRC accelerator (CRC16/CRC32) | Offloads CCITT CRC16 and IEEE-802.3 CRC32 computation - reduces CPU load for firmware update integrity checks and communication frame validation. |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Closed-loop control of BLDC motors in HVAC blowers and pump drivers. IC Role / Device Role / Timing Role: Real-time PWM generation, quadrature encoder position capture, and current-sense ADC sampling synchronized to motor commutation. Use Value: Integrated QPRC and Base Timers eliminate external counter ICs; 1.0 µs ADC enables precise current loop sampling at >100 kHz switching frequencies. | Use Scenario: LIN slave node for door module actuation and status reporting. IC Role / Device Role / Timing Role: LIN 2.1 protocol handling, GPIO-driven window lift/lower control, and fault monitoring via LVD2 reset. Use Value: Hardware LIN engine ensures bit-level timing compliance; dual-stage LVD provides fail-safe shutdown before undervoltage lockout. |
| USB-Enabled Industrial Sensor Hub | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: Field-deployable temperature/humidity sensor node with USB configuration and firmware update interface. IC Role / Device Role / Timing Role: USB Full-Speed device endpoint management, multi-channel ADC acquisition, and CRC-secured firmware image verification. Use Value: On-chip USB PLL and CRC accelerator reduce BOM count by two components; 512 KB Flash supports dual-bank OTA updates. | Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs and Modbus RTU over UART. IC Role / Device Role / Timing Role: UART-based Modbus slave, GPIO bank control, and watchdog-triggered safe state activation on fault. Use Value: Hardware flow control (on ch.4) prevents UART overrun during burst Modbus polling; dual watchdog (HW/SW) ensures deterministic recovery from firmware hangs. |
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 native LIN or QPRC; requires external transceiver for LIN. | Lacks integrated LIN 2.1 engine and QPRC - needs additional ICs for automotive encoder or LIN bus applications. | Select when higher CPU clock speed and larger SRAM are prioritized over integrated motor/peripheral acceleration. |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB SRAM, no USB host, no QPRC, but includes capacitive touch IP. | No QPRC or USB host - unsuitable for encoder-based motion control or USB peripheral-to-host bridging. | Prefer for HMI-focused industrial panels where touch sensing matters more than motor timing or USB device enumeration. |
Compared with STM32F103VCT6 and RA4M1, CY9AF311LAPMC1-G-MNE2 uniquely combines USB host/device capability, LIN 2.1 hardware, and QPRC in a single 100-pin LQFP package - reducing system-level component count for motor-control and automotive body electronics designs requiring multiple communication protocols and precise position feedback.
Availability
CY9AF311LAPMC1-G-MNE2 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, USB-enabled sensor hubs, and PLC I/O modules requiring stable component supply across extended production lifecycles.
Supply support for CY9AF311LAPMC1-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 security solutions.
This part belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, designed specifically for cost-sensitive, high-reliability embedded control applications demanding integrated motor timing, USB connectivity, and automotive-grade communication peripherals.
FAQ
Does CY9AF311LAPMC1-G-MNE2 support USB host mode with low-speed devices?
Yes, it supports USB 2.0 Full-Speed and Low-Speed device attachment in host mode, including automatic connect/disconnect detection, IN/OUT token handshake, and up to 256-byte packet length. The built-in USB PLL generates required clocks from the main oscillator, eliminating external crystal dependency for both device and host operation.
What is the maximum number of ADC channels usable simultaneously on this variant?
This variant integrates two 12-bit SAR ADC units, each supporting up to 8 input channels. With shared sampling control and FIFO buffering, up to 16 channels can be scanned sequentially in SCAN mode, but only two conversions can occur concurrently - one per ADC unit - with 1.0 µs conversion time at 5 V supply.
Is hardware flow control available on all UART channels?
No, hardware flow control (CTS/RTS) is supported only on UART channel 4, as explicitly documented in the datasheet for CY9AF311LA variants. Channels 0–3 and 5–7 lack RTS/CTS signal routing; software handshaking or buffer management must be used on those channels.
Can the External Bus Interface be used with this part?
No, the CY9AF311LA series - including CY9AF311LAPMC1-G-MNE2 - does not support the External Bus Interface. This feature is excluded per datasheet footnote, meaning external SRAM or NOR flash cannot be directly memory-mapped; alternative storage must use SPI or USB mass storage emulation.
CY9AF311LAPMC1-G-MNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-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:
- 64KB (64K 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:
CY9AF311LAPMC1-G-MNE2 FAQ
1.How can I place an order for CY9AF311LAPMC1-G-MNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF311LAPMC1-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 CY9AF311LAPMC1-G-MNE2 reliable?
The price and inventory of CY9AF311LAPMC1-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 CY9AF311LAPMC1-G-MNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF311LAPMC1-G-MNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF311LAPMC1-G-MNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF311LAPMC1-G-MNE2?
CY9AF311LAPMC1-G-MNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF311LAPMC1-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 CY9AF311LAPMC1-G-MNE2?
For technical support, including CY9AF311LAPMC1-G-MNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF311LAPMC1-G-MNE2 requirements.
6.How does Aetrix verify that CY9AF311LAPMC1-G-MNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF311LAPMC1-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 CY9AF311LAPMC1-G-MNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF311LAPMC1-G-MNE2?
All CY9AF311LAPMC1-G-MNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF311LAPMC1-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 CY9AF311LAPMC1-G-MNE2 part is unused and in its original packaging.
Return procedure for CY9AF311LAPMC1-G-MNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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