EFR32FG12P232F1024GL125-B datasheet(2/183 Pages) SILABS

Part #	EFR32FG12P232F1024GL125-B

Description	EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet

Download	183 Pages

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Manufacturer	SILABS [Silicon Laboratories]

Direct Link	http://www.silabs.com

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2 / 183 page

Table of Contents

1. Feature List ................................ 1

2. Ordering Information ............................ 2

3. System Overview .............................. 3

3.1 Introduction............................... 3

3.2 Radio................................. 3

3.2.1 Antenna Interface ............................ 3

3.2.2 Fractional-N Frequency Synthesizer...................... 4

3.2.3 Receiver Architecture........................... 4

3.2.4 Transmitter Architecture .......................... 4

3.2.5 Wake on Radio ............................. 4

3.2.6 RFSENSE .............................. 4

3.2.7 Flexible Frame Handling.......................... 5

3.2.8 Packet and State Trace .......................... 5

3.2.9 Data Buffering ............................. 5

3.2.10 Radio Controller (RAC).......................... 5

3.2.11 Random Number Generator ........................ 5

3.3 Power

................................ 6

3.3.1 Energy Management Unit (EMU) ....................... 6

3.3.2 DC-DC Converter ............................ 6

3.3.3 Power Domains

............................ 6

3.4 General Purpose Input/Output (GPIO)...................... 7

3.5 Clocking ................................ 7

3.5.1 Clock Management Unit (CMU) ....................... 7

3.5.2 Internal and External Oscillators ....................... 7

3.6 Counters/Timers and PWM ......................... 7

3.6.1 Timer/Counter (TIMER) .......................... 7

3.6.2 Wide Timer/Counter (WTIMER) ....................... 7

3.6.3 Real Time Counter and Calendar (RTCC) .................... 7

3.6.4 Low Energy Timer (LETIMER)........................ 8

3.6.5 Ultra Low Power Wake-up Timer (CRYOTIMER) ................. 8

3.6.6 Pulse Counter (PCNT) .......................... 8

3.6.7 Watchdog Timer (WDOG) ......................... 8

3.7 Communications and Other Digital Peripherals ................... 8

3.7.1 Universal Synchronous/Asynchronous Receiver/Transmitter (USART) .......... 8

3.7.2 Low Energy Universal Asynchronous Receiver/Transmitter (LEUART) .......... 8

3.7.3 Inter-Integrated Circuit Interface (I2C) ..................... 8

3.7.4 Peripheral Reflex System (PRS) ....................... 8

3.7.5 Low Energy Sensor Interface (LESENSE) .................... 9

3.8 Security Features............................. 9

3.8.1 GPCRC (General Purpose Cyclic Redundancy Check) ............... 9

3.8.2 Crypto Accelerator (CRYPTO)........................ 9

3.8.3 True Random Number Generator (TRNG).................... 9

3.8.4 Security Management Unit (SMU) ...................... 9

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EFR32FG12P232F1024GL125-B Datasheet(PDF) 2 Page - Silicon Laboratories

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