Infineon Technologies CY9BF466NPMC-G-MNE2

Overview

CY9BF466NPMC-G-MNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M4F microcontroller with 1024 KB Flash, 128 KB SRAM (64+32+32), dual CAN 2.0B interfaces, 24-channel 12-bit ADC, and operation up to 160 MHz. It integrates motor control timers, SD card interface, RTC, QPRC, and hardware CRC accelerator for industrial embedded control applications.

For engineers reviewing the CY9BF466NPMC-G-MNE2 datasheet, CY9BF466NPMC-G-MNE2 pinout, CY9BF466NPMC-G-MNE2 application, or CY9BF466NPMC-G-MNE2 equivalent, key selection criteria include dual-CAN timing synchronization, 160 MHz real-time motor control loop execution, 5 V-tolerant GPIO allocation, and deep-standby RTC with VBAT support.

Technical Context

This MCU implements a tightly coupled memory subsystem with three independent SRAM banks (SRAM0 on I/D bus, SRAM1/SRAM2 on system bus) enabling concurrent CPU and DMA access. The dual CAN controllers operate independently at up to 1 Mbps with 32 message buffers each, supporting time-triggered communication in safety-critical motion systems.

The DSTC (Descriptor System Transfer Controller) provides 128-channel zero-CPU-overhead data movement between peripherals and memory using descriptor-based chaining. Combined with 8-channel DMA and hardware CRC acceleration (CCITT CRC16/IEEE CRC32), it enables deterministic sensor fusion and secure firmware update pipelines.

Key Specifications

Pinout & Package

120-pin LQFP package (14 mm × 14 mm, 0.4 mm pitch) with exposed thermal pad. Pin functions include dedicated CANH/CANL, QPRC AIN/BIN/ZIN, SDIO CLK/CMD/DAT[3:0], and dual VBAT supply pins for RTC backup.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit Arm Cortex-M4F microcontroller applications.

Compared with STM32H743VIT6 and RA6M5GFP, CY9BF466NPMC-G-MNE2 delivers superior deterministic motor control via integrated QPRC, dual CAN with message buffers, and 160 MHz real-time loop execution-critical for servo-grade positioning where jitter must stay below 100 ns.

Availability

CY9BF466NPMC-G-MNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, smart energy meters, and medical pump controllers requiring stable component supply and long-term lifecycle support.

Supply support for CY9BF466NPMC-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 German semiconductor manufacturer specializing in power management, automotive ICs, and embedded controllers, with global R&D and manufacturing infrastructure.

The CY9B460R series-now part of Infineon's FM4 portfolio-is engineered for cost-sensitive, high-reliability industrial and automotive embedded control, emphasizing real-time motor timing, functional safety readiness, and mixed-signal integration.

FAQ

What is the maximum operating frequency and supported voltage range for CY9BF466NPMC-G-MNE2?

The device operates at up to 160 MHz with a supply voltage range of 2.7 V to 5.5 V on both VDD and VBAT rails. At 160 MHz, Flash access uses the built-in accelerator to maintain performance; DC characteristics are guaranteed across the full voltage range per datasheet Section 12.2.

Does CY9BF466NPMC-G-MNE2 support CAN FD or only classical CAN 2.0?

CY9BF466NPMC-G-MNE2 supports only CAN 2.0A/B (ISO 11898-1:2003) at up to 1 Mbps per channel. It does not implement CAN FD features such as flexible data-rate or extended data length. The dual CAN controllers are fully compatible with legacy automotive and industrial CAN networks.

How many independent clock sources does the device provide, and which ones support low-power modes?

The MCU provides five clock sources: two external oscillators (main and sub), two internal CR oscillators (high-speed 4 MHz and low-speed 100 kHz), and a main PLL. The sub-clock (32.768 kHz) and low-speed CR oscillator remain active in STOP and Deep Standby modes to sustain RTC and wake-up timing.

Is the 41-bit Unique ID accessible via standard debug interface or only through firmware API?

The 41-bit unique ID is stored in a dedicated ROM location and readable only via firmware using the provided HAL library function CySysGetUniqueId(). It is not exposed through SWD/JTAG debug registers or memory-mapped space for security reasons, preventing unauthorized device identification during programming or test.