參數(shù)資料
型號: MD83C154XXX-20P883D
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CDIP40
封裝: 0.600 INCH, CERAMIC, DIP-40
文件頁數(shù): 93/142頁
文件大小: 61013K
代理商: MD83C154XXX-20P883D
54
XMEGA B3 [DATASHEET]
8074D–AVR–08/2013
32.
Pinout and Pin Functions
The device pinout is shown in “Pinout/Block Diagram” on page 3. In addition to general purpose I/O functionality, each
pin can have several alternate functions. This will depend on which peripheral is enabled and connected to the actual pin.
Only one of the pin functions can be used at time.
32.1
Alternate Pin Function Description
The tables below show the notation for all pin functions available and describe its function.
32.1.1 Operation/Power Supply
32.1.2 Port Interrupt functions
32.1.3 Analog functions
32.1.4 LCD functions
VCC
Digital supply voltage
AVCC
Analog supply voltage
GND
Ground
AGND
Analog Ground
SYNC
Port pin with full synchronous and limited asynchronous interrupt function
ASYNC
Port pin with full synchronous and full asynchronous interrupt function
ACn
Analog Comparator input pin n
ACnOUT
Analog Comparator n Output
ADCn
Analog to Digital Converter input pin n
AREF
Analog Reference input pin
SEGn
LCD Segment Drive Output n
COMn
LCD Common Drive Output n
VLCD
LCD Voltage Multiplier Output
BIAS2
LCD Intermediate Voltage 2 Output (VLCD * 2/3)
BIAS1
LCD Intermediate Voltage 1 Output (VLCD * 1/3)
CAPH
LCD High End Of Flying Capacitor
CAPL
LCD Low End Of Flying Capacitor
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