System Overview

   C8051F93x-C8051F92x devices are fully integrated mixed-signal System-on-a-Chip MCUs. Highlighted features are listed below. Refer to Table 2.1 for specific product feature selection and part ordering numbers.

• Single/Dual Battery operation with on-chip dc-dc boost converter.

• High-speed pipelined 8051-compatible microcontroller core (up to 25 MIPS)

• In-system, full-speed, non-intrusive debug interface (on-chip)

• True 10-bit 300 ksps 23-channel single-ended ADC with analog multiplexer

• 6-Bit Programmable Current Reference

• Precision programmable 24.5 MHz internal oscillator with spread spectrum technology.

• 64 kB or 32 kB of on-chip Flash memory

• 4352 bytes of on-chip RAM

• SMBus/I2C, Enhanced UART, and two Enhanced SPI serial interfaces implemented in hardware

• Four general-purpose 16-bit timers

• Programmable Counter/Timer Array (PCA) with six capture/compare modules and Watchdog Timer function

• On-chip Power-On Reset, VDD Monitor, and Temperature Sensor

• Two On-chip Voltage Comparators with 23 Touch Sense inputs.

• 24 or 16 Port I/O (5 V tolerant)

   With on-chip Power-On Reset, VDD monitor, Watchdog Timer, and clock oscillator, the C8051F93xC8051F92x devices are truly stand-alone System-on-a-Chip solutions. The Flash memory can be reprogrammed even in-circuit, providing non-volatile data storage, and also allowing field upgrades of the 8051 firmware. User software has complete control of all peripherals, and may individually shut down any or all peripherals for power savings.