參數(shù)資料
型號: ST52T301P
廠商: 意法半導(dǎo)體
英文描述: 8-Bit OTP/EPROM DuaLogic] MCUs WITH ADC, UART, TIMER, TRIAC & PWM DRIVER
中文描述: 8位檢察官辦公室/存儲器DuaLogic]與藝術(shù)發(fā)展局和UART,定時(shí)器,可控硅控制器
文件頁數(shù): 37/100頁
文件大?。?/td> 497K
代理商: ST52T301P
8.1 I/O PORTCONFIGURATION
REG_CONF0 allows dynamic change in I/O Port
configurationduringprogramexecutionsettingthe
communicationdirectionof each bit.
IOi
settingequal to ”0”configuresthe i-thbit
of theP(0:7) I/O Port in input.Data com-
ing from external digital devices are
storedinthe6-thlocation(INP_PORT)of
the Inputregister bench.
IOi=”1” sets the
output.Data stored in thei-th locationof
the RegisterFile is written on the portby
using the instruction:
LDPR 2, regi
i-th bit of the port in
Bit
Name
Value
Description
0
IO0
0
Input Pin
1
Output Pin
1
IO1
0
Input Pin
1
Output Pin
2
IO2
0
Input Pin
1
Output Pin
3
IO3
0
Input Pin
1
Output Pin
4
IO4
0
Input Pin
1
Output Pin
5
IO5
0
Input Pin
1
Output Pin
6
IO6
0
Input Pin
1
Output Pin
7
IO7
0
Input Pin
1
Output Pin
Table8.1.ConfigurationRegister 0 Setting
D7 D6 D5 D4 D3 D2 D1 D0
REG_CONF0
I/O Port
IO0
- I/O Communication Direction Bit
IO1
- I/O Communication Direction Bit
IO2
IO3
- I/O Communication Direction Bit
- I/O Communication Direction Bit
IO4
IO5
- I/O Communication Direction Bit
- I/O Communication Direction Bit
IO6
IO7
- I/O Communication Direction Bit
- I/O Communication Direction Bit
Figure8.3.ConfigurationRegister 0
37/99
ST52T301/E301
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