Infineon Technologies CY91F467EAPMC-GS-UJE2

Overview

CY91F467EAPMC-GS-UJE2 from Cypress Semiconductor is a 32-bit FR60 RISC microcontroller with integrated CAN 2.0B and LIN-USART controllers, 24-channel 10-bit ADC (1 μs conversion), dual oscillators (4 MHz main / 32 kHz sub), and 16 KB standby RAM - designed for real-time embedded control in automotive body electronics and industrial motor drives.

For engineers reviewing the CY91F467EAPMC-GS-UJE2 datasheet, CY91F467EAPMC-GS-UJE2 pinout, CY91F467EAPMC-GS-UJE2 application, or CY91F467EAPMC-GS-UJE2 equivalent, key selection criteria include CAN/LIN coexistence, shutdown-mode retention of RTC and standby RAM, LQFP-208 package compatibility, and FR60 core instruction-per-cycle execution.

Technical Context

The CY91F467EA implements a Harvard-architecture FR60 CPU with five-stage pipeline, supporting 100 MHz core clock (CLKB) and 50 MHz peripheral clock (CLKP). It integrates C-CAN controllers with 32 message buffers per channel and LIN-USART with full-duplex double-buffering and sync-break detection.

Peripheral resources include a 5-channel DMAC with 8-/16-/32-bit transfer support, 12×16-bit PPG timers for stepper motor control (6 channels, 4 high-current outputs), and hardware clock supervisor monitoring both 4 MHz and 32 kHz oscillators with automatic recovery to CR oscillator on failure.

Key Specifications

Pinout & Package

Package: LQFP-208 (low-profile quad flat pack), 28 × 28 mm body, 0.5 mm pitch, RoHS-compliant lead-free finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MB9B500R and S32K144, CY91F467EAPMC-GS-UJE2 offers native LIN+CAN coexistence in one peripheral set, deterministic FR60 instruction timing, and lower-power shutdown retention - making it optimal for cost-sensitive, LIN-dense automotive body applications where CAN FD is unnecessary.

Availability

CY91F467EAPMC-GS-UJE2 is available at Aetrix Electronics and suitable for automotive body control modules, industrial stepper drive systems, on-board charger auxiliary controllers, and smart HVAC actuator modules requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for CY91F467EAPMC-GS-UJE2 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

Cypress Semiconductor (now part of Infineon Technologies) designs high-performance, mixed-signal programmable system-on-chip solutions for automotive, industrial, and consumer markets.

The CY91460E series targets real-time embedded control applications demanding deterministic timing, multi-protocol connectivity (CAN/LIN/I²C), and robust operation in harsh environments - with emphasis on automotive body electronics and motor control subsystems.

FAQ

What is the maximum operating frequency of the FR60 core in CY91F467EAPMC-GS-UJE2?

The FR60 core operates at up to 100 MHz (CLKB), supported by a 25× PLL multiplier from the 4 MHz main oscillator. This frequency is validated across the full −40°C to +105°C temperature range and 3.0–5.0 V supply, with all peripherals clocked at up to 50 MHz (CLKP) for balanced real-time throughput.

Does CY91F467EAPMC-GS-UJE2 support LIN 2.2 protocol natively?

Yes - the integrated LIN-USART supports LIN 2.2 specification including sync-break detection, automatic baud rate adjustment, and slave node response handling. The hardware implements full LIN frame formatting and checksum calculation, reducing CPU overhead versus software-based LIN stacks.

How does the clock supervisor recover from oscillator failure?

When either the 4 MHz main or 32 kHz sub-clock stops oscillating, the clock supervisor automatically switches to the internal RC oscillator (100 kHz or 2 MHz) within 10 μs, asserts a reset if configured, and generates an interrupt. Recovery is fully hardware-managed without firmware involvement or clock tree reconfiguration.

Can the 16 KB standby RAM retain data during full power-off?

No - standby RAM requires VDD5 ≥ 2.7 V to retain data. In low-leakage shutdown mode, only the internal 1.8 V regulator, RTC, oscillators, and standby RAM remain powered; complete power removal (VDD5 = 0 V) causes data loss. External backup battery connection is not supported.