Silicon Laboratories C8051F346, C8051F347 specifications Full Speed USB Flash MCU Family

C8051F340/1/2/3/4/5/6/7

Full Speed USB Flash MCU Family

Analog Peripherals

-10-Bit ADC

•Up to 200 ksps

•Built-in analog multiplexer with single-ended and differential mode

•VREF from external pin, internal reference, or VDD

•Built-in temperature sensor

•External conversion start input option

-Two comparators

-Internal voltage reference

-Brown-out detector and POR Circuitry

USB Function Controller

-USB specification 2.0 compliant

-Full speed (12 Mbps) or low speed (1.5 Mbps) operation

-Integrated clock recovery; no external crystal required for full speed or low speed

-Supports eight flexible endpoints

-1 kB USB buffer memory

-Integrated transceiver; no external resistors required

On-Chip Debug

-On-chip debug circuitry facilitates full speed, non-intru- sive 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

Voltage Supply Input: 2.7 to 5.25 V

-Voltages from 3.6 to 5.25 V supported using On-Chip Voltage Regulator

HIgh Speed 8051 µC Core

-Pipelined instruction architecture; executes 70% of Instructions in 1 or 2 system clocks

-48 MIPS and 25 MIPS versions available.

-Expanded interrupt handler

Memory

-4352 or 2304 Bytes RAM

-64 or 32 kB Flash; In-system programmable in 512-byte sectors

Digital Peripherals

-40/25 Port I/O; All 5 V tolerant with high sink current

-Hardware enhanced SPI™, SMBus™, and one or two enhanced UART serial ports

-Four general purpose 16-bit counter/timers

-16-bit programmable counter array (PCA) with five cap- ture/compare modules

-External Memory Interface (EMIF)

Clock Sources

-Internal Oscillator: 0.25% accuracy with clock recovery enabled. Supports all USB and UART modes

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

-Low Frequency (80 kHz) Internal Oscillator

-Can switch between clock sources on-the-fly

Packages

-48-pin TQFP (C8051F340/1/4/5)

-32-pin LQFP (C8051F342/3/6/7)

Temperature Range: –40 to +85 °C

ANALOG

PERIPHERALS

A	10-bit	+
		+
M	200 ksps
		-
U
	ADC	-
X

TEMP	VREF	VREG
SENSOR

PRECISION INTERNAL

OSCILLATORS

DIGITAL I/O
UART0			Port 0
UART1	CROSSBAR
			Port 1
SPI		Memory I/F
SMBus			Port 2
PCA
4 Timers			Port 3
48 Pin Only		Ext.	Port 4

USB Controller /

Transceiver

HIGH-SPEED CONTROLLER CORE

64/32 kB	8051 CPU	4/2 kB RAM
ISP FLASH	(48/25 MIPS)
FLEXIBLE	DEBUG	POR	WDT
INTERRUPTS	CIRCUITRY

Rev. 0.5 1/06 Copyright © 2006 by Silicon Laboratories C8051F34x

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.