參數(shù)資料
型號(hào): HMS91C8032
廠商: HYNIX SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, MQFP-80
文件頁數(shù): 37/90頁
文件大小: 1557K
代理商: HMS91C8032
HMS9xC7132 / HMS9xC7134
May.2001 ver1.1
33
11.1 Pin function selection
Special function selection Registers(PxSFS)
Several SFR(P1SFS/P2SFS/P3SFS)s are used to select the port-function or the alternative function of the external pin.
P1SFS(Port1 special function selection register)
Table 11-1 P1SFS bits(91H)
Table 11-2 Description of the P1SFS bits
7
6
5
4
3
2
2
0
P1SFS7
P1SFS6
P1SFS5
P1SFS4
P1SFS3
P1SFS2
P1SFS1
P1SFS0
BIT
SYMBOL
FUNCTION
RESET
7
P1SFS7
The selection of the pin function.
0 : pin 9 has P1.7 function.
1 : pin 9 has SDA2 function.
The selection of the pin function.
0
6
P1SFS6
0 : pin 10 has P1.6 function.
1 : pin 10 has SCL2 out function.
The selection of the pin function.
0
5
P1SFS5
0 : pin 20 has P1.5 function.
1 : pin 20 has ACH3 out function.
The selection of the pin function.
0
4
P1SFS4
0 : pin 21 has P1.4 function.
1 : pin 21 has ACH2 out function.
The selection of the pin function.
0
3
P1SFS3
0 : pin 22 has P1.3 function.
1 : pin 22 has ACH1 out function.
The selection of the pin function.
0
2
P1SFS2
0 : pin 23 has P1.2 function.
1 : pin 23 has ACH0 out function.
The selection of the pin function.
0
1
P1SFS1
0 : pin 24 has P1.1 function.
1 : pin 24 has SDA1 out function.
The selection of the pin function.
0
0
P1SFS0
0 : pin 25 has P1.0 function.
1 : pin 25 has SCL1 out function.
0
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