C8051F546-IMR Silicon Labs, C8051F546-IMR Datasheet

C8051F546-IMR

Manufacturer Part Number

C8051F546-IMR

Description

8-bit Microcontrollers - MCU 50 MIPS 8 kB 1kB LIN 2.1 SPI UART I2C

Manufacturer

Silicon Labs

Datasheet

1.C8051F546-IMR.pdf (274 pages)

Specifications of C8051F546-IMR

Rohs

yes

Core

8051

Processor Series

C8051

Data Bus Width

8 bit

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Rev. 1.1 4/11

Analog Peripherals

On-Chip Debug

Supply Voltage 1.8 to 5.25 V

High-Speed 8051 µC Core

12-Bit ADC

•

Two Comparators

•

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, complete development kit

Typical operating current: 19 mA at 50 MHz;

Typical stop mode current: 1 µA

Pipelined instruction architecture; executes 70% of

instructions in 1 or 2 system clocks

Up to 50 MIPS throughput with 50 MHz clock

Expanded interrupt handler

Up to 200 ksps

Up to 25 external single-ended inputs

VREF from on-chip VREF, external pin or V

Internal or external start of conversion source

Built-in temperature sensor

Programmable hysteresis and response time

Configurable as interrupt or reset source

Low current

Comparators 0-1

INTERRUPTS

INTERNAL OSCILLATOR

ISP FLASH

FLEXIBLE

PERIPHERALS

24 MHz PRECISION

12-bit

200 ksps

ADC

Voltage

16 kB

ANALOG

HIGH-SPEED CONTROLLER CORE

SENSOR

TEMP

VREG

VREF

CIRCUITRY

8051 CPU

(50 MIPS)

DEBUG

Memory

Digital Peripherals

Clock Sources

Packages

Automotive Qualified

Timers 0-3

UART 0

SMBus

PCA

1280 bytes internal data RAM (256 + 1024 XRAM)

16 or 8 kB Flash; In-system programmable in 

512-byte Sectors

25 or 18 Port I/O; All 5 V tolerant

LIN 2.1 Controller (Master and Slave capable); no

crystal required

Hardware enhanced UART, SMBus™, and

enhanced SPI™ serial ports

Four general purpose 16-bit counter/timers

16-Bit programmable counter array (PCA) with six

capture/compare modules and enhanced PWM

functionality

Internal 24 MHz with ±0.5% accuracy master LIN

operation

External oscillator: Crystal, RC, C, or clock 

(1 or 2 pin modes)

Can switch between clock sources on-the-fly; 

useful in power saving modes

32-Pin QFP/QFN (C8051F540/1/4/5)

24-Pin QFN (C8051F542/3/6/7)

Temperature Range: –40 to +125 °C

Compliant to AEC-Q100

SPI

LIN

2x Clock Multiplier

DIGITAL I/O

Mixed Signal ISP Flash MCU Family

POR

1 kB XRAM

Ports 0-3

Crossbar

WDT

C8051F54x

C8051F540/1/2/3/4/5/6/7

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