EFM32GG11 datasheet(7/261 Pages) SILABS

7 / 261 page

Table of Contents

1. Feature List ................................ 2

2. Ordering Information ............................ 4

3. System Overview ............................. 11

3.1 Introduction ...............................11

3.2 Power .................................12

3.2.1 Energy Management Unit (EMU) ......................12

3.2.2 DC-DC Converter

...........................12

3.2.3 5 V Regulator .............................12

3.2.4 EM2 and EM3 Power Domains .......................13

3.3 General Purpose Input/Output (GPIO) ......................13

3.4 Clocking ................................13

3.4.1 Clock Management Unit (CMU) .......................13

3.4.2 Internal and External Oscillators.......................14

3.5 Counters/Timers and PWM ..........................14

3.5.1 Timer/Counter (TIMER)

.........................14

3.5.2 Wide Timer/Counter (WTIMER) .......................14

3.5.3 Real Time Counter and Calendar (RTCC) ...................14

3.5.4 Low Energy Timer (LETIMER) .......................14

3.5.5 Ultra Low Power Wake-up Timer (CRYOTIMER) .................14

3.5.6 Pulse Counter (PCNT) ..........................15

3.5.7 Watchdog Timer (WDOG) .........................15

3.6 Communications and Other Digital Peripherals ...................15

3.6.1 Universal Synchronous/Asynchronous Receiver/Transmitter (USART) ..........15

3.6.2 Universal Asynchronous Receiver/Transmitter (UART) ...............15

3.6.3 Low Energy Universal Asynchronous Receiver/Transmitter (LEUART) ..........15

3.6.4 Inter-Integrated Circuit Interface (I2C) .....................15

3.6.5 External Bus Interface (EBI) ........................15

3.6.6 Quad-SPI Flash Controller (QSPI) ......................16

3.6.7 SDIO Host Controller (SDIO) ........................16

3.6.8 Universal Serial Bus (USB) ........................16

3.6.9 Ethernet (ETH) ............................16

3.6.10 Controller Area Network (CAN)

......................16

3.6.11 Peripheral Reflex System (PRS) ......................16

3.6.12 Low Energy Sensor Interface (LESENSE) ...................16

3.7 Security Features .............................17

3.7.1 General Purpose Cyclic Redundancy Check (GPCRC) ...............17

3.7.2 Crypto Accelerator (CRYPTO) .......................17

3.7.3 True Random Number Generator (TRNG) ...................17

3.7.4 Security Management Unit (SMU) ......................17

3.8 Analog.................................17

3.8.1 Analog Port (APORT) ..........................17

3.8.2 Analog Comparator (ACMP) ........................17

3.8.3 Analog to Digital Converter (ADC) ......................17

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