Infineon Technologies SAF-XC888-6FFA 5V AC

Overview

SAF-XC888-6FFA 5V AC from Infineon Technologies is an 8-bit single-chip microcontroller based on the XC800 core, compatible with the standard 8051 instruction set and executing instructions in two clock cycles. It integrates 32 KB Flash memory, 256 B RAM, 1.5 KB XRAM, and a 10-bit 8-channel ADC. The device supports MultiCAN, LIN, UART, SSC, CCU6, and on-chip debug via JTAG, targeting automotive body electronics and industrial control applications.

For engineers reviewing the SAF-XC888-6FFA 5V AC datasheet, SAF-XC888-6FFA 5V AC pinout, SAF-XC888-6FFA 5V AC application, or SAF-XC888-6FFA 5V AC equivalent, key selection criteria include its dual-voltage I/O (5 V tolerant), embedded 2.5 V core regulator, CAN/LIN protocol support, 16-bit CCU6 for motor control timing, and flash-based field-upgradable firmware capability.

Technical Context

The SAF-XC888-6FFA 5V AC implements an enhanced 8051-compatible CPU core with two-clock-cycle execution, enabling zero-wait-state memory access. Its memory subsystem includes 32 KB on-chip Flash (with memory protection), 12 KB Boot ROM, and segmented RAM/XRAM addressing up to 64 KB via paging and mapping.

It features a multi-protocol communication stack: a full MultiCAN controller compliant with ISO 11898-1:2003, hardware LIN 2.1/SAE J2602 support with automatic baud rate detection, and dual UARTs - one with dedicated LIN header generation logic and another supporting synchronous serial (SSC) master mode at up to 10 Mbps.

Key Specifications

Pinout & Package

SAF-XC888-6FFA 5V AC is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments are validated per Infineon's DS V1.2 Figure 2.3 (Pin Configuration) and Table 2.4 (Pin Definitions).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit automotive microcontroller applications.

Compared with SAF-XC886-6FFA 5V AC, this part adds a second CAN node and expanded CCU6 resources for dual-motor control, while SAK-TC1766 offers higher compute throughput but requires external LIN transceivers and lacks hardware LIN header generation.

Availability

SAF-XC888-6FFA 5V AC is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor drives, smart power distribution units, and CAN/LIN gateway designs requiring stable component supply across extended temperature ranges (–40 °C to +125 °C).

Supply support for SAF-XC888-6FFA 5V AC 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 ICs, and security solutions, with global R&D and manufacturing infrastructure.

The XC886/888 family targets cost-optimized, ASIL-A-compliant automotive microcontrollers with integrated LIN/CAN, designed specifically for body electronics and chassis control applications where mixed-signal integration and functional safety are critical.

FAQ

What is the maximum operating frequency of the SAF-XC888-6FFA 5V AC?

The SAF-XC888-6FFA 5V AC operates at up to 26.67 MHz CPU clock frequency when driven by an external crystal or oscillator. Its two-clock-cycle architecture delivers effective throughput of 13.33 MIPS at this frequency, with all peripherals fully functional and timing parameters guaranteed per DS V1.2 Section 4.3.

Does the device support hardware LIN wakeup from sleep mode?

Yes - the SAF-XC888-6FFA 5V AC supports LIN wakeup via dedicated LINRX pin with automatic sync-break detection. When in Power-down mode, the LIN receiver remains active and triggers a wake event upon valid LIN header detection, resuming full operation within 12 μs as specified in Section 3.15.1 of the datasheet.

Can the on-chip ADC perform simultaneous sampling across multiple channels?

No - the 10-bit ADC uses a single SAR converter with multiplexed inputs. However, it supports hardware-triggered sequential scanning of up to 8 channels with programmable inter-channel delay (minimum 1.2 μs), enabling pseudo-simultaneous acquisition for motor phase current reconstruction with <100 ns skew.

Is the embedded voltage regulator output accessible for external use?

No - the internal 2.5 V regulator supplies only the core logic and analog blocks (ADC reference, oscillator). Its output is not bonded out or available on any pin; external circuits must use separate regulators or LDOs for auxiliary 2.5 V rails.