参数资料
型号: EFM32G840F64
厂商: Energy Micro
文件页数: 44/69页
文件大小: 0K
描述: MCU 32BIT 64KB FLASH 64-QFN
标准包装: 1,000
系列: Gecko
核心处理器: ARM? Cortex?-M3
芯体尺寸: 32-位
速度: 32MHz
连通性: EBI/EMI,I²C,IrDA,智能卡,SPI,UART/USART
外围设备: 欠压检测/复位,DMA,LCD,POR,PWM,WDT
输入/输出数: 56
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.8 V
数据转换器: A/D 8x12b,D/A 2x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 64-VFQFN 裸露焊盘
包装: 带卷 (TR)
其它名称: EFM32G840F64-QFN64
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G840FXX - d0008_Rev1.60
49
www.energymicro.com
QFN64 Pin#
and Name
Pin Alternate Functionality / Description
Pin
#
Pin Name
Analog
Timers
Communication
Other
3
PA2
LCD_SEG15
TIM0_CC2 #0/1
CMU_CLK0 #0
4
PA3
LCD_SEG16
TIM0_CDTI0 #0
5
PA4
LCD_SEG17
TIM0_CDTI1 #0
6
PA5
LCD_SEG18
TIM0_CDTI2 #0
LEU1_TX #1
7
PA6
LCD_SEG19
LEU1_RX #1
8
IOVDD_0
Digital IO power supply 0.
9
PB3
LCD_SEG20
PCNT1_S0IN #1
US2_TX #1
10
PB4
LCD_SEG21
PCNT1_S1IN #1
US2_RX #1
11
PB5
LCD_SEG22
US2_CLK #1
12
PB6
LCD_SEG23
US2_CS #1
13
PC4
ACMP0_CH4
LETIM0_OUT0 #3
PCNT1_S0IN #0
US2_CLK #0
14
PC5
ACMP0_CH5
LETIM0_OUT1 #3
PCNT1_S1IN #0
US2_CS #0
15
PB7
LFXTAL_P
US1_CLK #0
16
PB8
LFXTAL_N
US1_CS #0
17
PA12
LCD_BCAP_P
TIM2_CC0 #1
18
PA13
LCD_BCAP_N
TIM2_CC1 #1
19
PA14
LCD_BEXT
TIM2_CC2 #1
20
RESETn
Reset input, active low.
To apply an external reset source to this pin, it is required to only drive this pin low during reset, and let the internal pull-up en-
sure that reset is released.
21
PB11
DAC0_OUT0
LETIM0_OUT0 #1
22
PB12
DAC0_OUT1
LETIM0_OUT1 #1
23
AVDD_1
Analog power supply 1.
24
PB13
HFXTAL_P
LEU0_TX #1
25
PB14
HFXTAL_N
LEU0_RX #1
26
IOVDD_3
Digital IO power supply 3.
27
AVDD_0
Analog power supply 0.
28
PD0
ADC0_CH0
PCNT2_S0IN #0
US1_TX #1
29
PD1
ADC0_CH1
TIM0_CC0 #3
PCNT2_S1IN #0
US1_RX #1
30
PD2
ADC0_CH2
TIM0_CC1 #3
US1_CLK #1
31
PD3
ADC0_CH3
TIM0_CC2 #3
US1_CS #1
32
PD4
ADC0_CH4
LEU0_TX #0
33
PD5
ADC0_CH5
LEU0_RX #0
34
PD6
ADC0_CH6
LETIM0_OUT0 #0
I2C0_SDA #1
35
PD7
ADC0_CH7
LETIM0_OUT1 #0
I2C0_SCL #1
36
PD8
CMU_CLK1 #1
37
PC6
ACMP0_CH6
LEU1_TX #0
I2C0_SDA #2
38
PC7
ACMP0_CH7
LEU1_RX #0
I2C0_SCL #2
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