Infineon Technologies SAA-XC886-6FFA AC

Overview

SAA-XC886-6FFA AC from Infineon Technologies is an 8-bit single-chip microcontroller based on the high-performance XC800 core (8051-compatible, two-clock-per-machine-cycle architecture), featuring 24 KB Flash, 256 B RAM, and integrated 10-bit 8-channel ADC. It supports LIN and MultiCAN communication, operates with dual supply rails (5.0 V I/O, 2.5 V core via embedded regulator), and targets automotive body electronics and industrial control.

For engineers reviewing the SAA-XC886-6FFA AC datasheet, SAA-XC886-6FFA AC pinout, SAA-XC886-6FFA AC application, or SAA-XC886-6FFA AC equivalent, key selection criteria include Flash size (24 KB), dual-voltage operation (5.0 V I/O / 2.5 V core), LIN/MultiCAN interface support, on-chip debug (JTAG/OCDS), and 10-bit ADC resolution with 8 input channels.

Technical Context

The SAA-XC886-6FFA AC implements a modified 8051 architecture with two data pointers and zero-wait-state memory access enabled by its two-clock-per-instruction cycle design. Its memory subsystem includes 12 KB Boot ROM, 1.5 KB XRAM, and Flash with configurable protection sectors and password-based bit-level write protection.

It integrates multiple timing peripherals: four 16-bit timers (Timer 0/1/2/21), CCU6 for motor control PWM generation, and a CORDIC coprocessor for efficient trigonometric computation. Clocking is managed via internal RC oscillator or external crystal (XTAL1), with PLL support for frequency multiplication and dynamic mode switching between full-speed and low-power modes.

Key Specifications

Pinout & Package

Package: PG-LQFP-64-19 (64-pin Low-Profile Quad Flat Package, 10 mm × 10 mm, 0.5 mm pitch, RoHS-compliant).

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC886CLM-6FFA and S9S08DZ128F1MLH, the SAA-XC886-6FFA AC uniquely combines AEC-Q100 qualification, embedded 2.5 V regulator, CORDIC coprocessor, and CCU6 - making it optimal for cost-sensitive, safety-aware automotive motor and lighting control where real-time analog+PWM coordination is critical.

Availability

SAA-XC886-6FFA AC is available at Aetrix Electronics and suitable for automotive body control modules, industrial motor drives, smart lighting systems, and temperature monitoring nodes requiring stable component supply across extended lifecycle programs.

Supply support for SAA-XC886-6FFA 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 SAA-XC886 belongs to Infineon's XC800 family - designed specifically for cost-optimized, functionally safe automotive body electronics and industrial control applications requiring integrated analog, communication, and motor control peripherals.

FAQ

Does SAA-XC886-6FFA AC support AEC-Q100 qualification?

Yes, the -6FFA AC suffix denotes AEC-Q100 Grade 2 qualification (−40 °C to +105 °C ambient operating range), including stress testing for automotive reliability. This is confirmed in Infineon's official package and quality declaration (Section 5.3 of DS V1.1), and applies to all production lots marked with "AC".

What is the maximum achievable CPU clock frequency?

The SAA-XC886-6FFA AC achieves up to 26.67 MHz CPU clock using its internal PLL with ×4 multiplication of a 6.667 MHz external crystal or oscillator input. This is specified in Section 4.3.3 (Power-on Reset and PLL Timing) and validated under maximum operating conditions (VDDIO = 5.0 V, TA = 105 °C).

Can the on-chip voltage regulator power external circuitry?

No - the embedded 2.5 V regulator supplies only the core logic (CPU, Flash controller, SRAM). It is not rated for external load driving; Section 3.6 explicitly states "The regulator output is not accessible externally" and warns against connecting external components to VDDC pins.

Is JTAG the only debug interface supported?

No - the device supports both IEEE 1149.1 JTAG and Infineon's On-Chip Debug Support (OCDS) interface. OCDS provides enhanced real-time trace, breakpoint, and memory access capabilities beyond standard JTAG, as detailed in Section 3.22 and the OCDS register map (Section 3.2.4.14).