參數(shù)資料
型號(hào): ST52E430B/D
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, UVPROM, 20 MHz, MICROCONTROLLER, CDIP32
封裝: WINDOWED, SHRINK, CERAMIC, DIP-32
文件頁(yè)數(shù): 54/120頁(yè)
文件大?。?/td> 502K
代理商: ST52E430B/D
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ST52T430/E430
6.5 I/O Port Configuration Registers
The I/O mode for each bit of the three ports are
selected by using the Configuration Registers 4,
13 and 15 (See Table 6.1) The structure of these
registers is shown in the following tables.
Each bit of the configuration registers sets the I/O
mode of the related port pin.
Bit
Name
Value
Description
0D0
0
Set the pin PA0/T0RES in
Output Mode
1
Set the pin PA0/T0RES in
Input Mode
1D1
0
Set the pin PA1/T0OUT in
Output Mode
1
Set the pin PA1/T0OUT in
Input Mode
2D2
0
Set the pin PA2/T1OUT in
Output Mode
1
Set the pin PA2/T1OUT in
Input Mode
3D3
0
Set the pin PA3/T2OUT in
Output Mode
1
Set the pin PA3/T2OUT in
Input Mode
4D4
0
Set the pin PA4/T0STRT in
Output Mode
1
Set the pin PA4/T0STRT in
Input Mode
5D5
0
Set the pin PA5/T0CLK in
Output Mode
1
Set the pin PA5/T0CLK in
Input Mode
6D6
0
Set the pin PA6 in Output
Mode
1
Set the pin PA6 in Input
Mode
7D7
0
Set the pin PB7/PA7/Ain7 in
Output Mode
1
Set the pin PB7/PA7/Ain7 in
Input Mode
Reset Configuration ‘11111111’
Table 6.4 Ports A REG_CONF 4
Bit
Name
Value
Description
0D0
0
Set the pin PB0/Ain0 in
Output Mode
1
Set the pin PB0/Ain0 in Input
Mode
1D1
0
Set the pin PB1/Ain1 in
Output Mode
1
Set the pin PB1/Ain1 in Input
Mode
2D2
0
Set the pin PB2/Ain2 in
Output Mode
1
Set the pin PB2/Ain2 in Input
Mode
3D3
0
Set the pin PB3/Ain3 in
Output Mode
1
Set the pin PB3/Ain3 in Input
Mode
4D4
0
Set the pin PB4/Ain4 in
Output Mode
1
Set the pin PB4/Ain4 in Input
Mode
5D5
0
Set the pin PB5/Ain5 in
Output Mode
1
Set the pin PB5/Ain5 in Input
Mode
6D6
0
Set the pin PB6/Ain6 in
Output Mode
1
Set the pin PB6/Ain6 in Input
Mode
7D7
0
Set the pin PB7/PA7/Ain7 in
Output Mode
1
Set the pin PB7/PA7/Ain7 in
Input Mode
Reset Configuration ‘11111111’
Table 6.5 Ports B REG_CONF 13
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