Datasheet > EFM8UB20F32G-A-QFP32

EFM8UB20F32G-A-QFP32

更新时间： 2022-02-26 10:32:23

品牌	Logo	应用领域
芯科 - SILICON		/
页数	文件大小	规格书
50页	952K
描述
The EFM8UB2 highlighted features are listed below

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EFM8 Universal Bee Family

EFM8UB2 Data Sheet

The EFM8UB2, part of the Universal Bee family of MCUs, is a

multi-purpose line of 8-bit microcontrollers with USB feature set.

KEY FEATURES

• Pipelined 8-bit 8051 MCU Core with 48

MHz maximum operating frequency

These devices offer high value by integrating a USB peripheral interface with a high pre-

cision oscillator, clock recovery circuit, and integrated transceiver, making them ideal for

any full speed USB applications with no external components required. With an efficient

8051 core and precision analog, the EFM8UB2 family is also optimal for embedded ap-

plications.

• Up to 40 multifunction I/O pins

• Crystal-less full speed/low speed USB 2.0

compliant controller with 1 KB buffer

memory

• One differential 10-bit ADC and two analog

comparators

EFM8UB2 applications include the following:

• Consumer electronics

• USB I/O controls, dongles

• Internal 48 MHz oscillator with ±0.25%

accuracy with USB clock recovery supports

crystal-free USB and UART operation

• Medical equipment

• High-speed communication bridge

• 2 UARTs, SPI, 2 SMBus/I2C serial

communications

Core / Memory

Clock Management

Energy Management

High Frequency

48 MHz RC

Oscillator

CIP-51 8051 Core

(48 MHz)

External

Oscillator

Internal LDO

Power-On Reset

Regulator

Flash Program

Memory

(up to 64 KB)

RAM Memory

(up to 4352 bytes)

Debug Interface

with C2

Low Frequency

RC Oscillator

Brown-Out

Detector

5 V-to 3.3 V LDO

Regulator

8-bit SFR bus

Serial Interfaces

I/O Ports

Timers and Triggers

Analog Interfaces

External

Interrupts

Comparator 0

2 x UART

SPI

Pin Reset

6 x Timers

PCA/PWM

ADC

Internal

Voltage

Reference

2 x I²C /

SMBus

Comparator 1

USB

General Purpose I/O

Watchdog Timer

Lowest power mode with peripheral operational:

Normal Idle Suspend

Shutdown

silabs.com | Smart. Connected. Energy-friendly.

Rev. 1.2

12 3 4 5 6 7...50

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