Infineon Technologies MB96F346ASBPMCR-GSE2

Overview

MB96F346ASBPMCR-GSE2 from Infineon Technologies (formerly Cypress) is a 16-bit F2MC-16FX microcontroller with dual-clock architecture, 416 KB Flash (Flash A), 16 KB RAM, two CAN 2.0B interfaces, 24-channel 10-bit SAR ADC, and 7 USART channels. It operates at up to 56 MHz CPU frequency via internal PLL (17.8 ns instruction cycle), supports LIN master/slave, I²C, programmable pulse generation, and real-time clock with sub-oscillator calibration - deployed in automotive body control modules and industrial CAN gateway applications.

For engineers reviewing the MB96F346ASBPMCR-GSE2 datasheet, MB96F346ASBPMCR-GSE2 pinout, MB96F346ASBPMCR-GSE2 application, or MB96F346ASBPMCR-GSE2 equivalent, key selection criteria include dual-clock domain support (main/sub), CAN protocol compliance (ISO 16845), Flash sector protection, low-voltage reset disable capability (suffix "S"), and QFP-100 package compatibility with legacy CY96346 designs.

Technical Context

The MB96F346ASBPMCR-GSE2 implements the F2MC-16FX CPU core with RISC-like pipelined execution, 23 addressing modes, barrel shift, and signed multiply/divide instructions. Its clock system integrates a programmable PLL (×1–×25), 32–100 kHz sub-oscillator, and 100 kHz/2 MHz on-chip RC oscillator - enabling independent clock sourcing for CPU and two peripheral domains.

Peripheral integration includes two ISO16845-certified CAN controllers (up to 1 Mbit/s, 32 message objects each), 24-channel 10-bit ADC with dual reference voltage switching, 7 full-duplex USARTs with LIN support, 4-channel 16-bit reload timers, and 2-channel alarm comparators. The device supports 13 low-power operating modes including Stop mode with wake-up via CAN RX or USART SIN.

Key Specifications

Pinout & Package

MB96F346ASBPMCR-GSE2 is housed in a 100-pin Low-Profile Quad Flat Package (LQFP) with 0.5 mm lead pitch, JEDEC MS-026AC compliant, thermal pad exposed on underside for enhanced heat dissipation in automotive under-hood environments.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit automotive microcontroller applications.

Compared with MB96F346ASBPMCR-GSE2, the MB96F347 variant offers scalable Flash for complex diagnostics or bootloader redundancy, while the MB96F346R variant trades reset configurability for deterministic fail-safe behavior - both retain identical CAN timing, ADC accuracy, and QFP-100 mechanical compatibility.

Availability

MB96F346ASBPMCR-GSE2 is available at Aetrix Electronics and suitable for automotive body electronics, industrial CAN gateways, smart power distribution units, and medical diagnostic interface modules requiring stable component supply across extended product lifecycles.

Supply support for MB96F346ASBPMCR-GSE2 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 with vertical integration from silicon to system-level IP.

This device belongs to the F2MC-16FX microcontroller family, designed specifically for cost-sensitive, high-reliability automotive and industrial applications demanding CAN connectivity, mixed-signal integration, and long-term supply assurance.

FAQ

What clock sources does MB96F346ASBPMCR-GSE2 support for its CPU and peripherals?

The MCU supports three independent clock sources: a 3–16 MHz external crystal/resonator for the main oscillator, a 32.768 kHz quartz for the sub-oscillator, and an internal 100 kHz/2 MHz RC oscillator. The CPU and two peripheral clock domains can be assigned separately to any of these sources - enabling RTC operation during CPU stop mode and flexible peripheral timing without external clock generators.

Does MB96F346ASBPMCR-GSE2 support CAN FD or only classical CAN 2.0?

MB96F346ASBPMCR-GSE2 implements two classical CAN 2.0A/B controllers compliant with ISO 16845, supporting bit rates up to 1 Mbit/s and 32 message objects per channel. It does not support CAN FD features such as variable bit rate, extended data length, or CRC enhancements - confirmed by the official datasheet revision *C and block diagram labeling.

How is Flash memory protected against unauthorized access or corruption?

Flash security is enforced via a dedicated Flash Security feature that prevents ROM read-out through external interfaces. Additionally, sector protection allows locking individual Flash sectors against accidental erase/write. Low-voltage detection during Flash operations halts programming if VCC drops below specification, preventing partial writes and data corruption during power transients.

What is the role of the "S" suffix in MB96F346ASBPMCR-GSE2?

The "S" suffix denotes dual-clock capability (main + sub-oscillator) and low-voltage reset disable functionality. Unlike "R"-suffixed variants, this part allows software to disable the low-voltage reset circuit - critical for ultra-low-power Stop mode operation where supply may dip temporarily without requiring a full reset, as verified in the Product Lineup table on page 4 of datasheet 002-04579 Rev. *C.