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System Overview

C8051F350/1/2/3 devices are fully integrated mixed-signal System-on-a-Chip MCUs. Highlighted features

are listed below. Refer to Ta b l e 1.1for specific product feature selection.

? High-speed pipelined 8051-compatible microcontroller core (up to 50 MIPS)

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

? 24 or 16-bit single-ended/differential ADC with analog multiplexer

? Two 8-bit Current Output DACs

? Precision programmable 24.5 MHz internal oscillator

? 8 kB of on-chip Flash memory

? 768 bytes of on-chip RAM

? SMBus/I2C, Enhanced UART, and 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, VDDmonitor, and temperature sensor

? On-chip voltage comparator

? 17 Port I/O (5 V tolerant)

Analog Peripherals

- 24 or 16-Bit ADC

?No missing codes

? 0.0015 nonlinearity

? Programmable conversion rates up to 1 ksps

? 8-Input multiplexer

? 1x to 128x PGA

? Built-in temperature sensor

- Two 8-Bit Current Output DACs

- Comparator

? Programmable hysteresis and response time

? Configurable as interrupt or reset source

? Low current (0.4 μA)

On-chip Debug

- On-chip debug circuitry facilitates full speed, non intrusive in-system debug (No emulator required)

- Provides breakpoints, single stepping, inspect/modify memory and registers

- Superior performance to emulation systems using ICE-Chips, target pods, and sockets

- Low Cost, CompleteDevelopment Kit

Supply Voltage 2.7 to 3.6 V

- Typical operating current: 5.8 mA @ 25 MHz;

11 μA @ 32 kHz

- Typical stop mode current: 0.1 μA

Temperature Range: –40 to +85 °C

High Speed 8051 μC Core

- Pipelined Instruction architecture; executes 70 of instructions in 1 or 2 system clocks

- Up to 50 MIPS throughput

- Expanded interrupt handler

Memory

- 768 Bytes (256 + 512) On-Chip RAM

- 8 kB Flash; In-system programmable in 512-byte Sectors

Digital Peripherals

- 17 Port I/O; All 5 V tolerant with high sink current

- Enhanced UART, SMBus?, and SPI? Serial Ports

- Four general purpose 16-bit counter/timers

- 16-bit programmable counter array (PCA) with three capture/compare modules

- Real time clock mode using PCA or timer and external clock source

Clock Sources

- Internal Oscillator: 24.5 MHz with ± 2 accuracy supports UART operation

- External Oscillator: Crystal, RC, C, or clock (1 or 2 pin modes)

- Clock multiplier to achieve 50 MHz internal clock

- Can switch between clock sources on-the-fly

28-Pin QFN or 32-Pin LQFP Package

- 5 x 5 mm PCB footprint with 28-QFN