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System Overview

C8051F99x-C8051F98x 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.

■ Ultra low power consumption in active and sleep modes.

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

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

■ 10-bit 300 ksps or 12-bit 75 ksps single-ended ADC with analog multiplexer

■ 6-bit programmable current reference (resolution can be increased with PWM)

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

■ 8 kB , 4 kB, or 2 kB of on-chip Flash memory

■ 512 bytes of on-chip RAM

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

■ Four general-purpose 16-bit timers

■ Programmable counter/timer array (PCA) with three capture/compare modules and watchdog timer function

■ On-chip power-on reset, VDD monitor, and temperature sensor

■ One on-chip voltage comparator

■ Up to 14 Capacitive Touch (QuickSense?) Inputs

■ Up to 17 Port I/O