参数资料
型号: EFM32LG942F64
厂商: Energy Micro
文件页数: 49/68页
文件大小: 0K
描述: IC MCU 32BIT 64KB FLASH QFP64
标准包装: 1,000
系列: Leopard Gecko
核心处理器: ARM? Cortex?-M4
芯体尺寸: 32-位
速度: 48MHz
连通性: I²C,IrDA,智能卡,SPI,UART/USART,USB
外围设备: 欠压检测/复位,DMA,LCD,POR,PWM,WDT
输入/输出数: 50
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
RAM 容量: 32K x 8
电压 - 电源 (Vcc/Vdd): 1.85 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-TQFP
包装: 带卷 (TR)
Preliminary
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32LG942FXX - d0121_Rev1.10
53
www.energymicro.com
Alternate
LOCATION
Functionality
0
1
2
3
4
5
6
Description
TIM2_CC2
PA14
Timer 2 Capture Compare input / output channel 2.
TIM3_CC0
PE14
Timer 3 Capture Compare input / output channel 0.
TIM3_CC1
PE15
Timer 3 Capture Compare input / output channel 1.
US0_CLK
PE12
PE5
PB13
USART0 clock input / output.
US0_CS
PE13
PE4
PB14
USART0 chip select input / output.
US0_RX
PE11
PE6
PE12
PB8
USART0 Asynchronous Receive.
USART0 Synchronous mode Master Input / Slave Output
(MISO).
US0_TX
PE10
PE7
PE13
PB7
USART0 Asynchronous Transmit.Also used as receive in-
put in half duplex communication.
USART0 Synchronous mode Master Output / Slave Input
(MOSI).
US1_CLK
PB7
PD2
PF0
USART1 clock input / output.
US1_CS
PB8
PD3
PF1
USART1 chip select input / output.
US1_RX
PD1
PD6
USART1 Asynchronous Receive.
USART1 Synchronous mode Master Input / Slave Output
(MISO).
US1_TX
PD0
PD7
USART1 Asynchronous Transmit.Also used as receive in-
put in half duplex communication.
USART1 Synchronous mode Master Output / Slave Input
(MOSI).
US2_CLK
PC4
PB5
USART2 clock input / output.
US2_CS
PC5
PB6
USART2 chip select input / output.
US2_RX
PB4
USART2 Asynchronous Receive.
USART2 Synchronous mode Master Input / Slave Output
(MISO).
US2_TX
PB3
USART2 Asynchronous Transmit.Also used as receive in-
put in half duplex communication.
USART2 Synchronous mode Master Output / Slave Input
(MOSI).
USB_DM
PF10
USB D- pin.
USB_DMPU
PD2
USB D- Pullup control.
USB_DP
PF11
USB D+ pin.
USB_ID
PF12
USB ID pin. Used in OTG mode.
USB_VBUS
USB 5 V VBUS input.
USB_VBUSEN
PF5
USB 5 V VBUS enable.
USB_VREGI
USB Input to internal 3.3 V regulator
USB_VREGO
USB Decoupling for internal 3.3 V USB regulator and reg-
ulator output
4.3 GPIO pinout overview
The specific GPIO pins available in EFM32LG942 is shown in Table 4.3 (p. 54) . Each GPIO port is
organized as 16-bit ports indicated by letters A through F, and the individual pin on this port in indicated
by a number from 15 down to 0.
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