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Datasheet EFM8SB1 (Silicon Labs)

ПроизводительSilicon Labs
ОписаниеEFM8 Sleepy Bee Family
Страниц / Страница71 / 1 — EFM8 Sleepy Bee Family EFM8SB1 Data Sheet. ENERGY FRIENDLY FEATURES. Core …
Формат / Размер файлаPDF / 1.2 Мб
Язык документаанглийский

EFM8 Sleepy Bee Family EFM8SB1 Data Sheet. ENERGY FRIENDLY FEATURES. Core / Memory. Clock Management. Energy Management. External

Datasheet EFM8SB1 Silicon Labs

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EFM8 Sleepy Bee Family EFM8SB1 Data Sheet
The EFM8SB1, part of the Sleepy Bee family of MCUs, is the world’s most energy friendly 8-bit microcontrollers with a compre-
ENERGY FRIENDLY FEATURES
hensive feature set in small packages. • Lowest MCU sleep current with supply brownout (50 nA) These devices offer lowest power consumption by combining innovative low energy tech- • Lowest MCU active current (150 μA / MHz niques and short wakeup times from energy saving modes into small packages, making at 24.5 MHz) them well-suited for any battery operated applications. With an efficient 8051 core, 14 • Lowest MCU wake on touch average high-quality capacitive sense channels, and precision analog, the EFM8SB1 family is al- current (< 1 μA) so optimal for embedded applications. • Lowest sleep current using internal RTC EFM8SB1 applications include the following: and supply brownout (< 300 nA) • Ultra-fast wake up for digital and analog • Touch pads / key pads • Instrumentation panels peripherals (< 2 μs) • Wearables • Battery-operated consumer electronics • Integrated LDO to maintain ultra-low active current at all voltages
Core / Memory Clock Management Energy Management External Low Power 20 MHz CIP-51 8051 Core Oscillator RC Oscillator Internal LDO Power-On Reset (25 MHz) Regulator High Frequency Low Frequency 24.5 MHz RC RC Oscillator Oscillator Flash Program RAM Memory Debug Interface Memory Brown-Out Detector (up to 512 bytes) with C2 (up to 8 KB) External 32 kHz RTC Oscillator 8-bit SFR bus Serial Interfaces I/O Ports Timers and Triggers Analog Interfaces Security External Timers ADC Comparator 0 16-bit CRC UART SPI Pin Reset PCA/PWM Interrupts 0/1/2/3 Internal Current Internal Voltage Reference Reference General Watchdog Real Time I2C / SMBus Pin Wakeup Purpose I/O Timer Clock Capacitive Sense Lowest power mode with peripheral operational: Normal Idle Suspend Sleep silabs.com
| Building a more connected world. Rev. 1.4 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 Crystal Oscillator 4.1.8 External Clock Input 4.1.9 ADC 4.1.10 Voltage Reference 4.1.11 Temperature Sensor 4.1.12 Comparators 4.1.13 Programmable Current Reference (IREF0) 4.1.14 Capacitive Sense (CS0) 4.1.15 Port I/O 4.1.16 SMBus 4.2 Thermal Conditions 4.3 Absolute Maximum Ratings 4.4 Typical Performance Curves 5. Typical Connection Diagrams 5.1 Power 5.2 Debug 5.3 Other Connections 6. Pin Definitions 6.1 EFM8SB1x-QFN20 Pin Definitions 6.2 EFM8SB1x-QFN24 Pin Definitions 6.3 EFM8SB1x-QSOP24 Pin Definitions 6.4 EFM8SB1x-CSP16 Pin Definitions 7. CSP16 Package Specifications 7.1 CSP16 Package Dimensions 7.2 CSP16 PCB Land Pattern 7.3 CSP16 Package Marking 8. QFN20G Package Specifications 8.1 QFN20 Package Dimensions 8.2 QFN20 PCB Land Pattern 8.3 QFN20 Package Marking 9. QFN20A Package Specifications 9.1 QFN20 Package Dimensions 9.2 QFN20 PCB Land Pattern 9.3 QFN20 Package Marking 10. QFN24 Package Specifications 10.1 QFN24 Package Dimensions 10.2 QFN24 PCB Land Pattern 10.3 QFN24 Package Marking 11. QSOP24 Package Specifications 11.1 QSOP24 Package Dimensions 11.2 QSOP24 PCB Land Pattern 11.3 QSOP24 Package Marking 12. Revision History 12.1 Revision 1.4 12.2 Revision 1.3 12.3 Revision 1.2 12.4 Revision 1.1 Table of Contents
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