MC96F6432PL

The MC96F6432P is a CMOS 8-bit microcontroller based on an M8051 core with 32 KB on-chip Flash and 1 KB SRAM. It combines a rich set of timers, programmable PWM outputs, a 12-bit 16-channel A/D converter, multiple serial interfaces and on-chip oscillator options to address embedded control and battery-powered applications.

With a wide operating voltage range (1.8–5.5 V), internal 16 MHz RC oscillator and an extended industrial temperature rating (−40 °C to +105 °C), the device is suited for designs requiring integrated analog, timing and power-management features in a compact 44-LQFP package.

Key Features

• Core & Memory  M8051-compatible 8-bit core (2-clock per cycle) with 32 KB on-chip FLASH (ISP) and 1 KB of SRAM organized as 256 bytes IRAM + 768 bytes XRAM for program and data storage.
• Clock & Performance  Internal high-frequency RC oscillator (16 MHz ±1.0%, user trim) and support for external/internal oscillators with maximum operating frequency up to 16 MHz under IRC operation.
• Power & Reset  Wide supply range 1.8–5.5 V, Power-On Reset (POR) with 1.4 V reset release level, Low Voltage Reset (14 detect levels) and Low Voltage Indicator (13 detect levels) for robust voltage supervision.
• Timers & PWM  Multiple timers including BIT, WDT, T0–T4 (8/16-bit mix), dedicated PWM channels (8-bit and 6-ch 10-bit motor PWM), buzzer channel and watch timer for flexible timing and motor control functions.
• Analog  12-bit A/D converter with 16 input channels for precise sensor interfacing and analog signal acquisition.
• Serial Interfaces  Integrated 8-bit SPI (×1), 8-bit UART (×1) and two USI channels supporting UART/SPI/I2C functionality to cover common peripheral and communication needs.
• I/O  42 general-purpose I/O pins, including dedicated LED drive pins, for user interfaces and external control.
• System Reliability & Integrity  Watchdog Timer (WDT), Watch Timer (WT) with selectable intervals, 16-bit CRC/checksum generator (auto and user modes) and 128-bit unique ID for system integrity and identification.
• Package & Temperature  44-LQFP package (10 × 10 mm, 0.8 mm pitch) and an operating temperature range of −40 °C to +105 °C for industrial applications.

Typical Applications

• Motor control and drives  On-chip multi-channel PWM (including 6-ch 10-bit motor PWM) and multiple timers enable precise motor speed and torque control for small motors and actuators.
• Battery-powered sensor nodes  Low-voltage operation (down to 1.8 V) and low current consumption make the device suitable for battery-operated sensors and portable instrumentation with on-board A/D conversion for sensor interfacing.
• Home and consumer appliances  Rich I/O, LED drive pins, timers and communication interfaces support user interfaces, control logic and peripheral connectivity in consumer products.
• Industrial control and monitoring  Extended temperature range, voltage supervision features (POR, LVR/LVI) and CRC/checksum support suit the microcontroller for embedded control and monitoring tasks in industrial environments.

Unique Advantages

• Highly integrated analog and timing resources: 12-bit 16-channel ADC plus diverse timer/PWM options reduce external component count for sensor and motor control designs.
• Flexible power operation: 1.8–5.5 V supply range with POR, LVR and LVI levels enables reliable operation across battery and single-supply designs.
• Ready for in-field updates: 32 KB In-System Programmable (ISP) Flash simplifies firmware updates and field maintenance.
• Multiple serial interfaces: SPI, UART and dual USI channels (UART/SPI/I2C) provide flexible peripheral and communication connectivity without additional interface ICs.
• Built-in safety and integrity features: Watchdog, watch timer, CRC/checksum generator and 128-bit unique ID enhance system robustness and traceability.
• Industrial temperature and compact package: −40 °C to +105 °C rating in a 44-LQFP (10×10 mm) package fits space-constrained, temperature-challenging applications.

Why Choose MC96F6432PL?

The MC96F6432PL offers a balanced combination of an M8051-class core, substantial on-chip Flash and SRAM, extensive analog and timer peripherals, and broad supply-voltage flexibility—making it a strong candidate for embedded designs that require integrated A/D, PWM and multiple serial interfaces. Its POR/LVR/LVI supervision and watchdog facilities support reliable operation in battery-powered and industrial environments.

This device is appropriate for engineers designing sensor interfaces, motor controllers, consumer control panels and industrial embedded systems that need a compact package, in-system programmable Flash and a robust set of on-chip peripherals to minimize external BOM and accelerate development.

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