參數(shù)資料
型號: AV80C51T-12R
廠商: TEMIC SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP44
文件頁數(shù): 112/170頁
文件大小: 4133K
代理商: AV80C51T-12R
46
ATtiny4/5/9/10 [DATASHEET]
8127F–AVR–02/2013
Figure 10-6. Alternate Port Functions
Note:
1. WEx, WRx, WPx, WDx, REx, RRx, RPx, and RDx are common to all pins within the same port. clkI/O, and SLEEP
are common to all ports. All other signals are unique for each pin.
The illustration in the figure above serves as a generic description applicable to all port pins in the AVR microcon-
troller family. Some overriding signals may not be present in all port pins.
clk
RPx
RRx
WRx
RDx
WDx
SYNCHRONIZER
WDx:
WRITE DDRx
WRx:
WRITE PORTx
RRx:
READ PORTx REGISTER
RPx:
READ PORTx PIN
REx:
READ PUEx
WEx:
WRITE PUEx
clk
I/O:
I/O CLOCK
RDx:
READ DDRx
D
L
Q
SET
CLR
0
1
0
1
0
1
DIxn
AIOxn
DIEOExn
PVOVxn
PVOExn
DDOVxn
DDOExn
PUOExn
PUOVxn
PUOExn:
Pxn PULL-UP OVERRIDE ENABLE
PUOVxn:
Pxn PULL-UP OVERRIDE VALUE
DDOExn:
Pxn DATA DIRECTION OVERRIDE ENABLE
DDOVxn:
Pxn DATA DIRECTION OVERRIDE VALUE
PVOExn:
Pxn PORT VALUE OVERRIDE ENABLE
PVOVxn:
Pxn PORT VALUE OVERRIDE VALUE
DIxn:
DIGITAL INPUT PIN n ON PORTx
AIOxn:
ANALOG INPUT/OUTPUT PIN n ON PORTx
RESET
Q
QD
CLR
Q
QD
CLR
Q
D
CLR
PINxn
PORTxn
DDxn
D
A
TA
BUS
0
1
DIEOVxn
SLEEP
DIEOExn:
Pxn DIGITAL INPUT-ENABLE OVERRIDE ENABLE
DIEOVxn:
Pxn DIGITAL INPUT-ENABLE OVERRIDE VALUE
SLEEP:
SLEEP CONTROL
Pxn
I/O
0
1
PTOExn
PTOExn:
Pxn, PORT TOGGLE OVERRIDE ENABLE
WPx:
WRITE PINx
WPx
WEx
REx
RESET
Q
QD
CLR
PUExn
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