Infineon Technologies MB96F646RBPMC-GSE1

Overview

MB96F646RBPMC-GSE1 from Infineon Technologies (formerly Cypress) is a 16-bit F2MC-16FX microcontroller featuring a 32 MHz CPU clock via on-chip PLL, 512 KB flash, 32 KB RAM, integrated CAN 2.0A/B controller (ISO16845 certified, up to 1 Mbps), and 10-bit SAR ADC with 24 channels. It operates from 2.7 V to 5.5 V and supports 13 low-power operating modes. It is deployed in automotive body control modules requiring real-time CAN communication and sensor interfacing.

For engineers reviewing the MB96F646RBPMC-GSE1 datasheet, MB96F646RBPMC-GSE1 pinout, MB96F646RBPMC-GSE1 application, or MB96F646RBPMC-GSE1 equivalent, key selection criteria include its F2MC-16FX instruction compatibility with legacy F2MC-16LX software, dual-bank flash for concurrent read/program, hardware watchdog with window function, and QPRC for motor position sensing - all validated in Infineon's CY96640 Series documentation.

Technical Context

The MB96F646RBPMC-GSE1 implements the F2MC-16FX architecture with an 8-byte instruction queue, signed multiply/divide instructions, and 23 addressing modes optimized for embedded control. Its clock system integrates three independent oscillators (main 4–8 MHz, sub 32.768 kHz, RC 100 kHz/2 MHz) and a programmable PLL (×1 to ×8) enabling CPU operation at 32 MHz while peripherals run at independently selected frequencies.

It features a dedicated CAN controller with 32 message objects, configurable identifier masks, FIFO mode, and disabled automatic retransmission for time-triggered operation. The A/D subsystem includes range comparators, scan disable, and trigger sources including PPGs and reload timers - supporting deterministic sensor acquisition in safety-critical automotive subsystems.

Key Specifications

Pinout & Package

MB96F646RBPMC-GSE1 is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per Infineon's CY96640 Series datasheet Rev. *D, including dedicated CANH/CANL, multiple I/O groups with configurable hysteresis and pull-up, and separate analog/digital power domains.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MB96F646RBPMC-GSE1, the MB96F648RBPMC-GSE1 offers seamless pin-compatible scalability in memory, while the SPC560B50L5 trades integrated LIN/QPRC for 32-bit compute and formal safety certification - making the former ideal for cost-sensitive body electronics and the latter for next-gen powertrain gateways.

Availability

MB96F646RBPMC-GSE1 is available at Aetrix Electronics and suitable for automotive body control modules, industrial motor drives, and smart power distribution units requiring stable component supply, long-term lifecycle support, and automotive-grade qualification (AEC-Q100 Grade 2).

Supply support for MB96F646RBPMC-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 is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global manufacturing and quality certifications aligned to IATF 16949.

The CY96640 series - now part of Infineon's automotive microcontroller portfolio - was designed specifically for cost-optimized, real-time body electronics and chassis applications requiring CAN/LIN integration, robust flash reliability, and low-power operation across extended temperature ranges.

FAQ

Is MB96F646RBPMC-GSE1 qualified for automotive use?

Yes. MB96F646RBPMC-GSE1 is AEC-Q100 Grade 2 qualified (−40 °C to +105 °C ambient), with design validation covering HTOL, ESD, latch-up, and EMC performance per ISO 11452 and ISO 7637 standards. Its on-chip voltage regulator and low-voltage detection circuit ensure reliable operation during automotive battery transients.

Does this MCU support in-circuit debugging without JTAG?

Yes. It includes a single-wire On-Chip Debugger (OCD) interface compliant with Infineon's standard debug protocol. This requires only one dedicated pin (TCK/DEBUG) and supports hardware breakpoints, trace, and real-time execution profiling - eliminating need for 20-pin JTAG headers in space-constrained layouts.

Can the CAN controller operate in time-triggered mode?

Yes. The CAN module supports disabled automatic retransmission mode, allowing deterministic transmission scheduling aligned to system time base. This is explicitly enabled via CAN control register bits and verified in Infineon's CY96640 Series application notes for time-triggered communication in distributed ECU architectures.

What is the maximum ADC sampling rate with external trigger?

At 32 MHz CPU clock and 10-bit resolution, the SAR ADC achieves up to 1.25 MSps in single-conversion mode when triggered by PPG or reload timer underflow. Conversion time is fixed at 16 clock cycles (500 ns), and the range comparator allows hardware-level signal threshold detection without CPU intervention.