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EFM32HG309 데이터시트 PDF




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EFM32HG309 데이터시트, 핀배열, 회로
Preliminary
...the world's most energy friendly microcontrollers
EFM32HG309 DATASHEET
F64/F32
Preliminary
ARM Cortex-M0+ CPU platform
• High Performance 32-bit processor @ up to 25 MHz
• Wake-up Interrupt Controller
Flexible Energy Management System
• 20 nA @ 3 V Shutoff Mode
• 0.6 µA @ 3 V Stop Mode, including Power-on Reset, Brown-out
Detector, RAM and CPU retention
• 0.9 µA @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz
oscillator, Power-on Reset, Brown-out Detector, RAM and CPU
retention
• 53 µA/MHz @ 3 V Sleep Mode
• 132 µA/MHz @ 3 V Run Mode, with code executed from flash
64/32 KB Flash
8/8 KB RAM
24 General Purpose I/O pins
• Configurable push-pull, open-drain, pull-up/down, input filter, drive
strength
• Configurable peripheral I/O locations
• 10 asynchronous external interrupts
• Output state retention and wake-up from Shutoff Mode
6 Channel DMA Controller
6 Channel Peripheral Reflex System (PRS) for autonomous in-
ter-peripheral signaling
Hardware AES with 128-bit keys in 54 cycles
Timers/Counters
• 3× 16-bit Timer/Counter
• 3×3 Compare/Capture/PWM channels
• Dead-Time Insertion on TIMER0
• 1× 24-bit Real-Time Counter
• 1× 16-bit Pulse Counter
• Watchdog Timer with dedicated RC oscillator @ 50 nA
Communication interfaces
• 2× Universal Synchronous/Asynchronous Receiv-
er/Transmitter
• UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
• Triple buffered full/half-duplex operation
• Low Energy UART
• Autonomous operation with DMA in Deep Sleep
Mode
• I2C Interface with SMBus support
• Address recognition in Stop Mode
• Low Energy Universal Serial Bus (USB) Device
• Fully USB 2.0 compliant
• On-chip PHY and embedded 5V to 3.3V regulator
• Crystal-free operation
Ultra low power precision analog peripherals
• 12-bit 1 Msamples/s Analog to Digital Converter
• 2 single ended channels/ differential channels
• On-chip temperature sensor
• Current Digital to Analog Converter
• Selectable current range between 0.05 and 64 uA
• 1× Analog Comparator
• Capacitive sensing with up to 2 inputs
• Supply Voltage Comparator
Ultra efficient Power-on Reset and Brown-Out Detec-
tor
Debug Interface
• 2-pin Serial Wire Debug interface
• Micro Trace Buffer (MTB)
Pre-Programmed USB/UART Bootloader
Temperature range -40 to 85 ºC
Single power supply 1.98 to 3.8 V
QFN24 package
• Preliminary - This datasheet revision applies to a product
under development
32-bit ARM Cortex-M0+, Cortex-M3 and Cortex-M4 microcontrollers for:
• Energy, gas, water and smart metering
• Health and fitness applications
• Smart accessories
• Alarm and security systems
• Industrial and home automation




EFM32HG309 pdf, 반도체, 판매, 대치품
Preliminary
...the world's most energy friendly microcontrollers
There is also a read-only page in the information block containing system and device calibration data.
Read and write operations are supported in the energy modes EM0 and EM1.
2.1.4 Direct Memory Access Controller (DMA)
The Direct Memory Access (DMA) controller performs memory operations independently of the CPU.
This has the benefit of reducing the energy consumption and the workload of the CPU, and enables
the system to stay in low energy modes when moving for instance data from the USART to RAM or
from the External Bus Interface to a PWM-generating timer. The DMA controller uses the PL230 µDMA
controller licensed from ARM.
2.1.5 Reset Management Unit (RMU)
The RMU is responsible for handling the reset functionality of the EFM32HG.
2.1.6 Energy Management Unit (EMU)
The Energy Management Unit (EMU) manage all the low energy modes (EM) in EFM32HG microcon-
trollers. Each energy mode manages if the CPU and the various peripherals are available. The EMU
can also be used to turn off the power to unused SRAM blocks.
2.1.7 Clock Management Unit (CMU)
The Clock Management Unit (CMU) is responsible for controlling the oscillators and clocks on-board the
EFM32HG. The CMU provides the capability to turn on and off the clock on an individual basis to all
peripheral modules in addition to enable/disable and configure the available oscillators. The high degree
of flexibility enables software to minimize energy consumption in any specific application by not wasting
power on peripherals and oscillators that are inactive.
2.1.8 Watchdog (WDOG)
The purpose of the watchdog timer is to generate a reset in case of a system failure, to increase appli-
cation reliability. The failure may e.g. be caused by an external event, such as an ESD pulse, or by a
software failure.
2.1.9 Peripheral Reflex System (PRS)
The Peripheral Reflex System (PRS) system is a network which lets the different peripheral module
communicate directly with each other without involving the CPU. Peripheral modules which send out
Reflex signals are called producers. The PRS routes these reflex signals to consumer peripherals which
apply actions depending on the data received. The format for the Reflex signals is not given, but edge
triggers and other functionality can be applied by the PRS.
2.1.10 Low Energy USB
The unique Low Energy USB peripheral provides a full-speed USB 2.0 compliant device controller and
PHY with ultra-low current consumption. The device supports both full-speed (12MBit/s) and low speed
(1.5MBit/s) operation, and includes a dedicated USB oscillator with clock recovery mechanism for crys-
tal-free operation. No external components are required. The Low Energy Mode ensures the current
consumption is optimized and enables USB communication on a strict power budget. The USB device
includes an internal dedicated descriptor-based Scatter/Gather DMA and supports up to 3 OUT end-
points and 3 IN endpoints, in addition to endpoint 0. The on-chip PHY includes software controllable
pull-up and pull-down resistors.
2.1.11 Inter-Integrated Circuit Interface (I2C)
The I2C module provides an interface between the MCU and a serial I2C-bus. It is capable of acting as
both a master and a slave, and supports multi-master buses. Both standard-mode, fast-mode and fast-
mode plus speeds are supported, allowing transmission rates all the way from 10 kbit/s up to 1 Mbit/s.
2015-05-06 - EFM32HG309FXX - _Rev0.91
4
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EFM32HG309 전자부품, 판매, 대치품
Preliminary
...the world's most energy friendly microcontrollers
Module
LEUART0
TIMER0
TIMER1
TIMER2
RTC
PCNT0
ACMP0
VCMP
ADC0
IDAC0
AES
GPIO
Configuration
Pin Connections
Full configuration
LEU0_TX, LEU0_RX
Full configuration with DTI
TIM0_CC[2:0], TIM0_CDTI[2:0]
Full configuration
TIM1_CC[2:0]
Full configuration
TIM2_CC[2:0]
Full configuration
NA
Full configuration, 16-bit count register PCNT0_S[1:0]
Full configuration
ACMP0_CH[1:0], ACMP0_O
Full configuration
NA
Full configuration
ADC0_CH[9:8]
Full configuration
IDAC0_OUT
Full configuration
NA
24 pins
Available pins are shown in
Table 4.3 (p. 56)
2.3 Memory Map
The EFM32HG309 memory map is shown in Figure 2.2 (p. 7) , with RAM and Flash sizes for the
largest memory configuration.
Figure 2.2. EFM32HG309 Memory Map with largest RAM and Flash sizes
2015-05-06 - EFM32HG309FXX - _Rev0.91
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EFM32HG309

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