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EFM32GG390F512-BGA112 Datasheet(PDF) 3 Page - Silicon Laboratories |
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EFM32GG390F512-BGA112 Datasheet(HTML) 3 Page - Silicon Laboratories |
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3 / 78 page  ...the world's most energy friendly microcontrollers 2014-05-23 - EFM32GG390FXX - d0040_Rev1.30 3 www.silabs.com 2 System Summary 2.1 System Introduction The EFM32 MCUs are the world’s most energy friendly microcontrollers. With a unique combination of the powerful 32-bit ARM Cortex-M3, innovative low energy techniques, short wake-up time from energy saving modes, and a wide selection of peripherals, the EFM32GG microcontroller is well suited for any battery operated application as well as other systems requiring high performance and low-energy consumption. This section gives a short introduction to each of the modules in general terms and also shows a summary of the configuration for the EFM32GG390 devices. For a complete feature set and in-depth information on the modules, the reader is referred to the EFM32GG Reference Manual. A block diagram of the EFM32GG390 is shown in Figure 2.1 (p. 3) . Figure 2.1. Block Diagram Clock Managem ent Energy Managem ent Serial Int erfaces I/ O Port s Core and Mem ory Tim ers and Triggers Analog Int erfaces Securit y 32- bit bus Peripheral Reflex Syst em ARM Cort ex™- M3 processor Flash Program Mem ory LESENSE High Freq RC Oscillat or High Freq. Cryst al Oscillat or Tim er/ Count er Low Energy Tim er Pulse Count er Real Tim e Count er Low Freq. Cryst al Oscillat or Low Freq. RC Oscillat or Wat chdog Tim er RAM Mem ory Ex t . Bus Int erface General Purpose I/ O Mem ory Prot ect ion Unit DMA Cont roller Debug Int erface w/ ETM Ex t ernal Int errupt s Pin Reset Hardware AES GG390F512/ 1024 ADC DAC Analog Com parat or Operat ional Am plifier USART Low Energy UART I 2C UART Power- on Reset Volt age Regulat or Back- up Power Dom ain Volt age Com parat or Brown- out Det ect or TFT Driver Back- up RTC USB Pin Wakeup Ult ra Low Freq. RC Oscillat or Aux High Freq. RC Oscillat or 2.1.1 ARM Cortex-M3 Core The ARM Cortex-M3 includes a 32-bit RISC processor which can achieve as much as 1.25 Dhrystone MIPS/MHz. A Memory Protection Unit with support for up to 8 memory segments is included, as well as a Wake-up Interrupt Controller handling interrupts triggered while the CPU is asleep. The EFM32 implementation of the Cortex-M3 is described in detail in EFM32 Cortex-M3 Reference Manual. 2.1.2 Debug Interface (DBG) This device includes hardware debug support through a 2-pin serial-wire debug interface and an Embed- ded Trace Module (ETM) for data/instruction tracing. In addition there is also a 1-wire Serial Wire Viewer pin which can be used to output profiling information, data trace and software-generated messages. 2.1.3 Memory System Controller (MSC) The Memory System Controller (MSC) is the program memory unit of the EFM32GG microcontroller. The flash memory is readable and writable from both the Cortex-M3 and DMA. The flash memory is |
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