參數(shù)資料
型號: EFM32G840F128
廠商: Energy Micro
文件頁數(shù): 47/69頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 128KB FLASH 64QFN
特色產(chǎn)品: EFM32 Gecko
標準包裝: 1
系列: Gecko
核心處理器: ARM? Cortex?-M3
芯體尺寸: 32-位
速度: 32MHz
連通性: EBI/EMI,I²C,IrDA,智能卡,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復位,DMA,LCD,POR,PWM,WDT
輸入/輸出數(shù): 56
程序存儲器容量: 128KB(128K x 8)
程序存儲器類型: 閃存
RAM 容量: 16K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 3.8 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b,D/A 2x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-VFQFN 裸露焊盤
包裝: 標準包裝
其它名稱: 914-1015-6
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G840FXX - d0008_Rev1.60
51
www.energymicro.com
Table 4.2. Alternate functionality overview
Alternate
LOCATION
Functionality
0
1
2
3
Description
ACMP0_CH4
PC4
Analog comparator ACMP0, channel 4.
ACMP0_CH5
PC5
Analog comparator ACMP0, channel 5.
ACMP0_CH6
PC6
Analog comparator ACMP0, channel 6.
ACMP0_CH7
PC7
Analog comparator ACMP0, channel 7.
ACMP0_O
PE13
Analog comparator ACMP0, digital output.
ACMP1_CH4
PC12
Analog comparator ACMP1, channel 4.
ACMP1_CH5
PC13
Analog comparator ACMP1, channel 5.
ACMP1_CH6
PC14
Analog comparator ACMP1, channel 6.
ACMP1_CH7
PC15
Analog comparator ACMP1, channel 7.
ACMP1_O
PF2
Analog comparator ACMP1, digital output.
ADC0_CH0
PD0
Analog to digital converter ADC0, input channel number 0.
ADC0_CH1
PD1
Analog to digital converter ADC0, input channel number 1.
ADC0_CH2
PD2
Analog to digital converter ADC0, input channel number 2.
ADC0_CH3
PD3
Analog to digital converter ADC0, input channel number 3.
ADC0_CH4
PD4
Analog to digital converter ADC0, input channel number 4.
ADC0_CH5
PD5
Analog to digital converter ADC0, input channel number 5.
ADC0_CH6
PD6
Analog to digital converter ADC0, input channel number 6.
ADC0_CH7
PD7
Analog to digital converter ADC0, input channel number 7.
BOOT_RX
PE11
Bootloader RX
BOOT_TX
PE10
Bootloader TX
CMU_CLK0
PA2
PC12
Clock Management Unit, clock output number 0.
CMU_CLK1
PA1
PD8
Clock Management Unit, clock output number 1.
DAC0_OUT0
PB11
Digital to Analog Converter DAC0 output channel number 0.
DAC0_OUT1
PB12
Digital to Analog Converter DAC0 output channel number 1.
DBG_SWCLK
PF0
Debug-interface Serial Wire clock input.
Note that this function is enabled to pin out of reset, and has a built-in pull
down.
DBG_SWDIO
PF1
Debug-interface Serial Wire data input / output.
Note that this function is enabled to pin out of reset, and has a built-in pull up.
DBG_SWO
PF2
PC15
Debug-interface Serial Wire viewer Output.
Note that this function is not enabled after reset, and must be enabled by
software to be used.
HFXTAL_N
PB14
High Frequency Crystal negative pin. Also used as external optional clock in-
put pin.
HFXTAL_P
PB13
High Frequency Crystal positive pin.
I2C0_SCL
PA1
PD7
PC7
I2C0 Serial Clock Line input / output.
I2C0_SDA
PA0
PD6
PC6
I2C0 Serial Data input / output.
LCD_BCAP_N
PA13
LCD voltage booster (optional), boost capacitor, negative pin. If using the
LCD voltage booster, connect a 22 nF capacitor between LCD_BCAP_N and
LCD_BCAP_P.
LCD_BCAP_P
PA12
LCD voltage booster (optional), boost capacitor, positive pin. If using the
LCD voltage booster, connect a 22 nF capacitor between LCD_BCAP_N and
LCD_BCAP_P.
LCD_BEXT
PA14
LCD voltage booster (optional), boost output. If using the LCD voltage boost-
er, connect a 1 uF capacitor between this pin and VSS.
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