Infineon Technologies MB96F685RBPMC-GSE1

Overview

MB96F685RBPMC-GSE1 from Infineon Technologies (formerly Cypress) is a 16-bit F2MC-16FX microcontroller with integrated CAN 2.0A/B interface, 128.5KB flash + 32KB RAM, 14-channel 8/10-bit SAR ADC, dual-operation flash, and on-chip voltage regulator supporting 2.7V–5.5V operation. It delivers 32MHz CPU frequency via internal PLL (×8 from 4MHz resonator), 31.2ns instruction cycle, and operates in automotive-grade temperature range (−40°C to +105°C). Used in motor control and body electronics requiring real-time CAN communication and stepping motor drive.

For engineers reviewing the MB96F685RBPMC-GSE1 datasheet, MB96F685RBPMC-GSE1 pinout, MB96F685RBPMC-GSE1 application, or MB96F685RBPMC-GSE1 equivalent, key selection criteria include CAN 1Mbps compliance (ISO16845), dual-bank flash for seamless firmware updates, 2-channel stepping motor controller with dedicated high-current drivers, RTC with clock calibration, and LIN-capable USART with automatic header handling.

Technical Context

The MB96F685RBPMC-GSE1 implements the F2MC-16FX RISC-like architecture with 8-byte instruction queue, signed multiply/divide instructions, and 23 addressing modes optimized for embedded control. Its clock tree supports independent domain selection: CPU (up to 32MHz via PLL), peripherals (main/sub/RC clocks), and subsystems like RTC (32.768kHz) and ADC trigger sources (reload timers, PPGs).

It integrates a full CAN 2.0B controller with 32 message objects, programmable FIFO mode, maskable interrupts, loop-back self-test, and disabled auto-retransmission for time-triggered operation. The stepping motor controller provides two synchronized 8/10-bit PWM channels per motor, internal prescaling (1/4 to 1/16), and dedicated DVcc/DVss supply for high-current outputs.

Key Specifications

Pinout & Package

LQFP-80 package (12mm × 12mm, 0.5mm pitch) with exposed thermal pad; 63 usable I/O pins in dual-clock mode, including dedicated CANH/CANL, LIN/USART, ADC inputs (AN8–AN13, AN16–AN23), PPG outputs, and SMC driver pins (PWM1M0/PWM1P0, PWM2M0/PWM2P0).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MB96F683RBPMC-GSE1, this part adds stepping motor control and doubles flash capacity; versus R5F566TEADFP#30, it offers tighter integration for cost-sensitive stepper applications but lacks CAN FD and floating-point capability.

Availability

MB96F685RBPMC-GSE1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motion control, smart HVAC actuators, and appliance motor management requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for MB96F685RBPMC-GSE1 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 AG is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global R&D and manufacturing infrastructure.

This device belongs to the CY96680 series - Infineon's legacy F2MC-16FX microcontroller family designed specifically for cost-optimized, real-time automotive and industrial control applications requiring CAN, stepping motor drive, and robust flash programming.

FAQ

What is the maximum operating frequency and corresponding instruction cycle time?

The MB96F685RBPMC-GSE1 achieves up to 32MHz CPU frequency using its internal PLL (×8 multiplier from a 4MHz external resonator), resulting in a minimum instruction cycle time of 31.2ns. This timing is verified under recommended operating conditions (Vcc = 4.5V–5.5V, Ta = −40°C to +105°C) and enables deterministic real-time response for motor control loops and CAN message processing.

Does this MCU support simultaneous flash read and write operations?

Yes - the device features dual-operation flash architecture, allowing code execution from one bank while programming or erasing the other. This capability is implemented via hardware command sequencer and DMA-assisted programming, enabling safe in-field firmware updates without halting application execution or requiring external memory buffers.

How many CAN message objects does the integrated controller support?

The integrated CAN 2.0B controller supports exactly 32 message objects, each with individually programmable identifier masks and acceptance filtering. These objects can be configured in standard (11-bit) or extended (29-bit) format and support FIFO concatenation, interrupt masking per object, and loop-back self-test mode for validation without physical bus wiring.

Is the stepping motor controller capable of driving unipolar or bipolar stepper motors?

The integrated stepping motor controller is designed for 2-phase bipolar stepper motors, providing four high-current outputs per channel (PWM1M0/PWM1P0 and PWM2M0/PWM2P0) with complementary drive capability. It does not support unipolar configurations; external H-bridge drivers would be required for unipolar motor types or higher current/voltage ratings beyond the on-die driver limits.