參數(shù)資料
型號: EFM32LG840F64
廠商: Energy Micro
文件頁數(shù): 42/67頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 64KB FLASH QFN64
標(biāo)準(zhǔn)包裝: 1,000
系列: Leopard Gecko
核心處理器: ARM? Cortex?-M4
芯體尺寸: 32-位
速度: 48MHz
連通性: I²C,IrDA,智能卡,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,LCD,POR,PWM,WDT
輸入/輸出數(shù): 56
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 1.85 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-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
Preliminary
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32LG840FXX - d0115_Rev1.10
47
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
ETM_TD0 #3
4
PA3
LCD_SEG16
TIM0_CDTI0 #0
LES_ALTEX2 #0
ETM_TD1 #3
5
PA4
LCD_SEG17
TIM0_CDTI1 #0
LES_ALTEX3 #0
ETM_TD2 #3
6
PA5
LCD_SEG18
TIM0_CDTI2 #0
LEU1_TX #1
LES_ALTEX4 #0
ETM_TD3 #3
7
PA6
LCD_SEG19
LEU1_RX #1
ETM_TCLK #3
GPIO_EM4WU1
8
IOVDD_0
Digital IO power supply 0.
9
PB3
LCD_SEG20/
LCD_COM4
PCNT1_S0IN #1
US2_TX #1
10
PB4
LCD_SEG21/
LCD_COM5
PCNT1_S1IN #1
US2_RX #1
11
PB5
LCD_SEG22/
LCD_COM6
US2_CLK #1
12
PB6
LCD_SEG23/
LCD_COM7
US2_CS #1
13
PC4
DAC0_P0 /
OPAMP_P0
ACMP0_CH4
TIM0_CDTI2 #4
LETIM0_OUT0 #3
PCNT1_S0IN #0
US2_CLK #0
I2C1_SDA #0
LES_CH4 #0
14
PC5
DAC0_N0 /
OPAMP_N0
ACMP0_CH5
LETIM0_OUT1 #3
PCNT1_S1IN #0
US2_CS #0
I2C1_SCL #0
LES_CH5 #0
15
PB7
LFXTAL_P
TIM1_CC0 #3
US0_TX #4
US1_CLK #0
16
PB8
LFXTAL_N
TIM1_CC1 #3
US0_RX #4
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 /
OPAMP_OUT0
TIM1_CC2 #3
LETIM0_OUT0 #1
I2C1_SDA #1
22
PB12
DAC0_OUT1 /
OPAMP_OUT1
LETIM0_OUT1 #1
I2C1_SCL #1
23
AVDD_1
Analog power supply 1.
24
PB13
HFXTAL_P
US0_CLK #4/5
LEU0_TX #1
25
PB14
HFXTAL_N
US0_CS #4/5
LEU0_RX #1
26
IOVDD_3
Digital IO power supply 3.
27
AVDD_0
Analog power supply 0.
28
PD0
ADC0_CH0
DAC0_OUT0ALT #4/
OPAMP_OUT0ALT
DAC0_OUT2 #1/
OPAMP_OUT2
PCNT2_S0IN #0
US1_TX #1
29
PD1
ADC0_CH1
TIM0_CC0 #3
US1_RX #1
DBG_SWO #2
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