参数资料
型号: EFM32G222F64
厂商: Energy Micro
文件页数: 47/65页
文件大小: 0K
描述: IC MCU 32BIT 64KB FLASH QFP48
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: I²C,IrDA,智能卡,SPI,UART/USART
外围设备: 欠压检测/复位,DMA,POR,PWM,WDT
输入/输出数: 37
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 4x12b,D/A 1x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 48-TQFP
包装: 带卷 (TR)
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G222FXX - d0033_Rev1.60
51
www.energymicro.com
Alternate
LOCATION
Functionality
0
1
2
3
Description
US0_CS
PE13
PC8
USART0 chip select input / output.
US0_RX
PE11
PC10
USART0 Asynchronous Receive.
USART0 Synchronous mode Master Input / Slave Output (MISO).
US0_TX
PE10
PC11
USART0 Asynchronous Transmit.Also used as receive input in half duplex
communication.
USART0 Synchronous mode Master Output / Slave Input (MOSI).
US1_CLK
PB7
USART1 clock input / output.
US1_CS
PB8
USART1 chip select input / output.
US1_RX
PC1
USART1 Asynchronous Receive.
USART1 Synchronous mode Master Input / Slave Output (MISO).
US1_TX
PC0
USART1 Asynchronous Transmit.Also used as receive input in half duplex
communication.
USART1 Synchronous mode Master Output / Slave Input (MOSI).
4.3 GPIO pinout overview
The specific GPIO pins available in EFM32G222 is shown in Table 4.3 (p. 51) . 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.
Table 4.3. GPIO Pinout
Port
Pin
15
Pin
14
Pin
13
Pin
12
Pin
11
Pin
10
Pin
9
Pin
8
Pin
7
Pin
6
Pin
5
Pin
4
Pin
3
Pin
2
Pin
1
Pin
0
Port A
-
PA10
PA9
PA8
-
PA2
PA1
PA0
Port B
-
PB14
PB13
-
PB11
-
PB8
PB7
-
Port C
PC15
PC14
PC13
-
PC11
PC10
PC9
PC8
-
PC4
PC3
PC2
PC1
PC0
Port D
-
PD7
PD6
PD5
PD4
-
Port E
-
PE13
PE12
PE11
PE10
-
Port F
-
PF5
PF4
PF3
PF2
PF1
PF0
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