參數(shù)資料
型號: EFM32LG232F256
廠商: Energy Micro
文件頁數(shù): 42/65頁
文件大小: 0K
描述: IC MCU 32BIT 256KB FLASH BGA112
標準包裝: 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/復位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 53
程序存儲器容量: 256KB(256K 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-TQFP
包裝: 帶卷 (TR)
Preliminary
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32LG232FXX - d0106_Rev1.10
47
www.energymicro.com
QFP64 Pin#
and Name
Pin Alternate Functionality / Description
Pin
#
Pin Name
Analog
Timers
Communication
Other
53
PF4
TIM0_CDTI1 #2/5
PRS_CH1 #1
54
PF5
TIM0_CDTI2 #2/5
PRS_CH2 #1
55
IOVDD_5
Digital IO power supply 5.
56
VSS
Ground
57
PE8
PCNT2_S0IN #1
PRS_CH3 #1
58
PE9
PCNT2_S1IN #1
59
PE10
TIM1_CC0 #1
US0_TX #0
BOOT_TX
60
PE11
TIM1_CC1 #1
US0_RX #0
LES_ALTEX5 #0
BOOT_RX
61
PE12
TIM1_CC2 #1
US0_RX #3
US0_CLK #0
I2C0_SDA #6
CMU_CLK1 #2
LES_ALTEX6 #0
62
PE13
US0_TX #3
US0_CS #0
I2C0_SCL #6
LES_ALTEX7 #0
ACMP0_O #0
GPIO_EM4WU5
63
PE14
TIM3_CC0 #0
LEU0_TX #2
64
PE15
TIM3_CC1 #0
LEU0_RX #2
4.2 Alternate functionality pinout
A wide selection of alternate functionality is available for multiplexing to various pins. This is shown in
Table 4.2 (p. 47). The table shows the name of the alternate functionality in the first column, followed
by columns showing the possible LOCATION bitfield settings.
Note
Some functionality, such as analog interfaces, do not have alternate settings or a LOCA-
TION bitfield. In these cases, the pinout is shown in the column corresponding to LOCA-
TION 0.
Table 4.2. Alternate functionality overview
Alternate
LOCATION
Functionality
0
1
2
3
4
5
6
Description
ACMP0_CH0
PC0
Analog comparator ACMP0, channel 0.
ACMP0_CH1
PC1
Analog comparator ACMP0, channel 1.
ACMP0_CH2
PC2
Analog comparator ACMP0, channel 2.
ACMP0_CH3
PC3
Analog comparator ACMP0, channel 3.
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
PD6
Analog comparator ACMP0, digital output.
ACMP1_CH0
PC8
Analog comparator ACMP1, channel 0.
ACMP1_CH1
PC9
Analog comparator ACMP1, channel 1.
ACMP1_CH2
PC10
Analog comparator ACMP1, channel 2.
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