C8051F349-GMR Silicon Labs, C8051F349-GMR Datasheet

C8051F349-GMR

Manufacturer Part Number

C8051F349-GMR

Description

8-bit Microcontrollers - MCU 25 MIPS 32KB USB MCU

Manufacturer

Silicon Labs

Datasheet

1.C8051F349-GMR.pdf (276 pages)

Specifications of C8051F349-GMR

Rohs

yes

Core

8051

Processor Series

C8051

Data Bus Width

8 bit

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Analog Peripherals

USB Function Controller

On-Chip Debug

Voltage Supply Input: 2.7 to 5.25 V

Rev. 1.4 9/09

10-Bit ADC (C8051F340/1/2/3/4/5/6/7/A/B only)

•

Two comparators

Internal voltage reference

(C8051F340/1/2/3/4/5/6/7/A/B only)

Brown-out detector and POR Circuitry

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 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

Voltages from 3.6 to 5.25 V supported using On-Chip 

Voltage Regulator

Up to 200 ksps

Built-in analog multiplexer with single-ended and 

differential mode

VREF from external pin, internal reference, or V

Built-in temperature sensor

External conversion start input option

C8051F340/1/2/34/5/6/7/A/B Only

SENSOR

PRECISION INTERNAL

INTERRUPTS

TEMP

PERIPHERALS

ISP FLASH

FLEXIBLE

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D

64/32 kB

OSCILLATORS

200 ksps

ANALOG

HIGH-SPEED CONTROLLER CORE

10-bit

ADC

VREF

VREG

(48/25 MIPS)

CIRCUITRY

8051 CPU

DEBUG

HIgh Speed 8051 µC Core

Memory

Digital Peripherals

Clock Sources

Packages

Temperature Range: –40 to +85 °C

* C8051F340/1/4/5/8/A/B/C Only

4 Timers

UART1*

48 Pin Only

UART0

SMBus

PCA

SPI

USB Controller /

Pipelined instruction architecture; executes 70% of

Instructions in 1 or 2 system clocks

48 MIPS and 25 MIPS versions available.

Expanded interrupt handler

4352 or 2304 Bytes RAM

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

sectors

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)

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

48-pin TQFP (C8051F340/1/4/5/8/C)

32-pin LQFP (C8051F342/3/6/7/9/A/B/D)

5x5 mm 32-pin QFN (C8051F342/3/6/7/9/A/B)

DIGITAL I/O

Transceiver

Full Speed USB Flash MCU Family

4/2 kB RAM

POR

Port 0

Port 1

Port 2

Port 3

Port 4

WDT

C8051F34x

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