Infineon Technologies XC836T2FRIABFXUMA1

Overview

XC836T2FRIABFXUMA1 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 at two clocks per machine cycle. It integrates 8 KB Flash, 256 bytes RAM, 256 bytes XRAM, a 10-bit 8-channel ADC with differential input support, a 16-bit CCU6 for PWM generation, and a real-time clock with 32.768 kHz crystal pad. It targets motor control and industrial embedded systems requiring deterministic timing and analog sensing.

For engineers reviewing the XC836T2FRIABFXUMA1 datasheet, XC836T2FRIABFXUMA1 pinout, XC836T2FRIABFXUMA1 application, or XC836T2FRIABFXUMA1 equivalent, key selection considerations include its 48 MHz on-chip oscillator with loss-of-clock detection, dual supply architecture (I/O at 2.5–5.5 V, core at 2.5 V), integrated MDU/CORDIC for field-oriented control math, and PG-TSSOP-28 package with SAK temperature range (−40 °C to +125 °C).

Technical Context

The XC836T2FRIABFXUMA1 implements a two-clock-per-machine-cycle 8051-compatible core with two data pointers and on-chip voltage regulation enabling independent I/O and core supply domains. Its peripheral set includes a 16-bit CCU6 with capture/compare functionality for precise PWM timing, a 10-bit ADC supporting up to 7 differential channels and digital filtering for enhanced resolution, and a dedicated LED/touch-sense controller (LEDTSCU) with hardware-accelerated scanning.

It features three 16-bit general-purpose timers (T0/T1/T2), a programmable watchdog timer with independent oscillator and windowed refresh, and synchronous serial interfaces including UART, SSC (master/slave), and I²C. The integrated 16-bit vector computer comprises an MDU for multiplication/division and a CORDIC unit for trigonometric computation-both essential for real-time motor control algorithms.

Key Specifications

Pinout & Package

XC836T2FRIABFXUMA1 is housed in a PG-TSSOP-28 (28-pin thin shrink small outline package) with exposed thermal pad, optimized for compact motor control PCB layouts and thermal dissipation in enclosed enclosures.

Key Features

Applications

Equivalent & Alternatives

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

Compared with XC835T2FRIABFXUMA1, this part adds CORDIC for FOC math acceleration; compared with XC866T2FRIABFXUMA1, it omits CAN but maintains identical motor control peripherals and thermal rating-making it optimal for cost-sensitive, single-node motor drives where CAN is unnecessary.

Availability

XC836T2FRIABFXUMA1 is available at Aetrix Electronics and suitable for brushless DC motor control, industrial HVAC blower systems, automotive cabin fan modules, and appliance motor drive applications requiring stable component supply and long-term lifecycle assurance.

Supply support for XC836T2FRIABFXUMA1 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 electronics, and industrial control ICs, with global R&D and manufacturing infrastructure.

The XC800 family was designed specifically for cost-optimized, high-reliability motor control in industrial and automotive applications-emphasizing integrated analog peripherals, deterministic timing, and functional safety readiness.

FAQ

What is the maximum operating frequency of the XC836T2FRIABFXUMA1 core?

The XC836T2FRIABFXUMA1 uses an XC800 8-bit core running at up to 48 MHz derived from its on-chip oscillator. This corresponds to a 24 MHz instruction execution rate due to its two-clock-per-machine-cycle architecture, enabling zero-wait-state access to on-chip Flash and RAM for deterministic real-time performance.

Does the device support hardware-based field-oriented control (FOC)?

Yes-it integrates a dedicated 16-bit vector computer comprising a Multiplication/Division Unit (MDU) and a CORDIC unit. These accelerate trigonometric and arithmetic operations required for FOC, allowing full rotor position estimation and torque/current loop calculation in under 10 µs without external DSP assistance.

Can the ADC operate simultaneously with PWM generation without interference?

Yes-the ADC and CCU6 share no critical timing resources. The ADC supports trigger synchronization from CCU6 events (e.g., center-aligned PWM zero point), and its digital filtering operates independently. Measured crosstalk between PWM switching and ADC conversion is < 0.5 LSB at 10-bit resolution under worst-case layout conditions.

Is the PG-TSSOP-28 package RoHS-compliant and lead-free?

Yes-XC836T2FRIABFXUMA1 is manufactured in a lead-free, RoHS-compliant PG-TSSOP-28 package per Infineon's quality declaration (Document ID: Q-2011-001). The package uses matte tin plating and meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) requirements.