參數資料
型號: EFM32LG842F256
廠商: Energy Micro
文件頁數: 41/68頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 256KB FLASH QFP64
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
外圍設備: 欠壓檢測/復位,DMA,LCD,POR,PWM,WDT
輸入/輸出數: 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
數據轉換器: 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 - EFM32LG842FXX - d0116_Rev1.10
46
www.energymicro.com
4 Pinout and Package
Note
Please refer to the application note "AN0002 EFM32 Hardware Design Considerations" for
guidelines on designing Printed Circuit Boards (PCB's) for the EFM32LG842.
4.1 Pinout
The EFM32LG842 pinout is shown in Figure 4.1 (p. 46) and Table 4.1 (p. 46). Alternate locations
are denoted by "#" followed by the location number (Multiple locations on the same pin are split with "/").
Alternate locations can be configured in the LOCATION bitfield in the *_ROUTE register in the module
in question.
Figure 4.1. EFM32LG842 Pinout (top view, not to scale)
Table 4.1. Device Pinout
QFP64 Pin#
and Name
Pin Alternate Functionality / Description
Pin
#
Pin Name
Analog
Timers
Communication
Other
1
PA0
LCD_SEG13
TIM0_CC0 #0/1/4
LEU0_RX #4
I2C0_SDA #0
PRS_CH0 #0
GPIO_EM4WU0
2
PA1
LCD_SEG14
TIM0_CC1 #0/1
I2C0_SCL #0
CMU_CLK1 #0
PRS_CH1 #0
3
PA2
LCD_SEG15
TIM0_CC2 #0/1
CMU_CLK0 #0
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EFM32LG842F64 功能描述:ARM微控制器 - MCU 64KB FL 32KB RAM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數據總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數據 RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT