Datasheet EFM8LB1 (Silicon Labs)

制造商Silicon Labs
描述EFM8 Laser Bee Family
页数 / 页77 / 1 — EFM8 Laser Bee Family EFM8LB1 Data Sheet. KEY FEATURES. Core / Memory. …
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EFM8 Laser Bee Family EFM8LB1 Data Sheet. KEY FEATURES. Core / Memory. Clock Management. Energy Management. CIP-51 8051 Core

Datasheet EFM8LB1 Silicon Labs

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EFM8 Laser Bee Family EFM8LB1 Data Sheet
The EFM8LB1, part of the Laser Bee family of MCUs, is a per- formance line of 8-bit microcontrollers with a comprehensive ana-
KEY FEATURES
log and digital feature set in small packages. • Pipelined 8-bit 8051 MCU Core with 72 MHz operating frequency These devices offer state-of-the-art performance by integrating 14-bit ADC, internal calibrated temperature sensor (±3 °C), and up to four 12-bit DACs into small packages, • Up to 29 multifunction I/O pins making them ideal for the most stringent analog requirement applications. With an effi- • One 14-bit, 900 ksps ADC cient, pipelined 8051 core with maximum operating frequency at 72 MHz, various com- • Up to four 12-bit DACs with munication interfaces, and four channels of configurable logic, the EFM8LB1 family is synchronization and PWM capabilities optimal for many embedded applications. • Two low-current analog comparators with built-in reference DACs EFM8LB1 applications include the following: • Internal calibrated temperature sensor (±3 °C) • Internal 72 MHz and 24.5 MHz oscillators • Optical network modules • Industrial control and automation accurate to ±2% • Precision instrumentation • Smart sensors • Four channels of Configurable Logic • 6-channel PWM / PCA • Six 16-bit general-purpose timers
Core / Memory Clock Management Energy Management CIP-51 8051 Core High Frequency External Internal LDO 72 MHz RC Power-On Reset (72 MHz) Oscillator Regulator Oscillator Flash Program High Frequency RAM Memory Debug Interface Low Frequency Memory 24.5 MHz RC Brown-Out Detector (up to 4352 bytes) with C2 RC Oscillator (up to 64 KB) Oscillator 8-bit SFR bus Serial Interfaces I/O Ports Timers and Triggers Analog Interfaces Security Timers External PCA/PWM 16-bit CRC 2 x UART SPI Pin Reset 0/1/2/5 ADC 2 x Interrupts Comparators Watchdog Timer 3/4 Timer Internal High-Speed General Up to 4 x I2C / SMBus Pin Wakeup Voltage I2C Slave Purpose I/O 4 x Configurable Logic Units Voltage DAC Reference Lowest power mode with peripheral operational: Normal Idle Suspend Snooze Shutdown silabs.com
| Building a more connected world. Rev. 1.3 Document Outline 1. Feature List 2. Ordering Information 3. System Overview 3.1 Introduction 3.2 Power 3.3 I/O 3.4 Clocking 3.5 Counters/Timers and PWM 3.6 Communications and Other Digital Peripherals 3.7 Analog 3.8 Reset Sources 3.9 Debugging 3.10 Bootloader 4. Electrical Specifications 4.1 Electrical Characteristics 4.1.1 Recommended Operating Conditions 4.1.2 Power Consumption 4.1.3 Reset and Supply Monitor 4.1.4 Flash Memory 4.1.5 Power Management Timing 4.1.6 Internal Oscillators 4.1.7 External Clock Input 4.1.8 External Oscillator 4.1.9 ADC 4.1.10 Voltage Reference 4.1.11 Temperature Sensor 4.1.12 1.8 V Internal LDO Voltage Regulator 4.1.13 DACs 4.1.14 Comparators 4.1.15 Configurable Logic 4.1.16 Port I/O 4.1.17 SMBus 4.2 Thermal Conditions 4.3 Absolute Maximum Ratings 5. Typical Connection Diagrams 5.1 Power 5.2 Debug 5.3 Other Connections 6. Pin Definitions 6.1 EFM8LB1x-QFN32 Pin Definitions 6.2 EFM8LB1x-QFP32 Pin Definitions 6.3 EFM8LB1x-QFN24 Pin Definitions 6.4 EFM8LB1x-QSOP24 Pin Definitions 7. QFN32 Package Specifications 7.1 Package Dimensions 7.2 PCB Land Pattern 7.3 Package Marking 8. QFP32 Package Specifications 8.1 Package Dimensions 8.2 PCB Land Pattern 8.3 Package Marking 9. QFN24 Package Specifications 9.1 Package Dimensions 9.2 PCB Land Pattern 9.3 Package Marking 10. QSOP24 Package Specifications 10.1 Package Dimensions 10.2 PCB Land Pattern 10.3 Package Marking 11. Revision History