Infineon Technologies XC8662FRIBEFXUMA1

Overview

XC8662FRIBEFXUMA1 from Infineon Technologies is an 8-bit single-chip microcontroller based on the XC800 core, compatible with standard 8051 architecture and executing instructions at two clocks per machine cycle. It integrates 4 KB flash program memory, 256 bytes RAM, 512 bytes XRAM, 8 KB boot ROM, and a 10-bit 8-channel ADC. It operates across industrial temperature range (–40 °C to +85 °C) in a PG-TSSOP-38 package and targets embedded motor control and power conversion systems.

For engineers reviewing the XC8662FRIBEFXUMA1 datasheet, XC8662FRIBEFXUMA1 pinout, XC8662FRIBEFXUMA1 application, or XC8662FRIBEFXUMA1 equivalent, key selection criteria include its 4 KB flash size, dual-voltage I/O (3.3 V/5.0 V), integrated CCU6 capture/compare unit for PWM generation, UART/SSC serial interfaces, and watchdog timer with programmable timeout.

Technical Context

The XC8662FRIBEFXUMA1 implements an enhanced 8051-compatible core with two data pointers and no wait-state memory access via its two-clock-per-cycle execution. Its memory subsystem includes 4 KB of P-Flash (programmable flash), 4 KB of D-Flash (data flash), and 8 KB of mask-programmed boot ROM containing on-chip debug monitor firmware.

It features three independent 16-bit timers (T0/T1/T2), a dedicated 16-bit capture/compare unit (CCU6) for high-resolution PWM and dead-time control, and a 10-bit successive-approximation ADC with eight analog input channels and configurable sampling timing.

Key Specifications

Pinout & Package

XC8662FRIBEFXUMA1 is housed in a PG-TSSOP-38 (plastic thin shrink small outline package) with 38 leads, 0.65 mm pitch, and exposed thermal pad. Pin functions are defined per Infineon's official datasheet revision V1.2 (2007-10).

Key Features

Applications

Equivalent & Alternatives

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

Compared with SAK-XC866-4FRI and XC886CN-8FFI, XC8662FRIBEFXUMA1 offers optimal cost/performance balance for standalone motor and power control where CAN is unnecessary and code footprint stays within 4 KB.

Availability

XC8662FRIBEFXUMA1 is available at Aetrix Electronics and suitable for brushless DC motor control, industrial power supply monitoring, LED driver feedback control, and home appliance timer & interface applications requiring stable component supply across industrial temperature ranges.

Supply support for XC8662FRIBEFXUMA1 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, and industrial control ICs, with global R&D and manufacturing infrastructure.

The XC866 belongs to the XC800 family, designed specifically for cost-sensitive, real-time embedded control in motor drives, power conversion, and appliance systems where 8-bit performance, low power, and integrated analog peripherals are critical.

FAQ

What is the maximum operating frequency of the XC8662FRIBEFXUMA1?

The XC8662FRIBEFXUMA1 supports an external crystal or RC oscillator up to 20 MHz. With its two-clocks-per-machine-cycle architecture, this yields an effective instruction throughput of up to 10 million instructions per second (MIPS), enabling responsive real-time control loops in motor and power applications.

Does XC8662FRIBEFXUMA1 support in-system programming (ISP)?

Yes - XC8662FRIBEFXUMA1 supports ISP via its on-chip UART bootloader located in the 8 KB boot ROM. Firmware updates can be performed using standard UART communication without requiring external programming hardware, provided the device is configured with valid BSL entry conditions.

How many ADC channels are accessible and what is their resolution?

The device provides eight analog input channels mapped to Port 1 pins (P1.0–P1.3) and Port 2 pins (P2.0–P2.3). All channels are sampled by a single 10-bit successive-approximation ADC with typical conversion time of 1.2 µs and built-in sample-and-hold functionality.

Is there hardware support for PWM generation with dead-time insertion?

Yes - the dedicated CCU6 (Capture/Compare Unit 6) provides two complementary PWM output pairs with fully programmable dead-time insertion (1–65535 clock cycles), automatic fault shutdown, and synchronization with ADC start-of-conversion triggers for precise current-sensing timing.