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參數(shù)資料
| 型號： | 83C154S |
| 英文描述： | CMOS 8-bit Microcontroller(258.00 k) |
| 中文描述： | 的CMOS 8位微控制器（258.00十一） |
| 文件頁數(shù)： | 18/40頁 |
| 文件大?。?/td> | 258K |
| 代理商： | 83C154S |
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18/40
MSM80C154S/83C154S
Semiconductor
If CPU power down mode (PD, HPD) is activated with this bit set to "1", the
outputs from ports 0, 1, 2, and 3 are switched to floating status.
When this bit is "0", ports 0, 1, 2, and 3 are in output mode.
NAME
ADDRESS
MSB
7
—
LSB
0
ALF
6
5
4
3
2
1
BIT LOCATION
IOCON.0
FLAG
ALF
FUNCTION
IOCON
0F8H
T32
SERR
IZC
P3HZ
P2HZ
P1HZ
IOCON.1
IOCON.2
IOCON.3
IOCON.4
P1HZ
P2HZ
P3HZ
IZC
IOCON.5
SERR
Timer/counters 0 and 1 are connected serially to from a 32-bit timer/counter
when this bit is set to "1".
TF1 of TCON is set if a carry is generated in the 32-bit timer/counter.
IOCON.6
T32
Leave this bit at "0".
IOCON.7
—
Port 1 becomes a high impedance input port when this bit is "1".
Port 2 becomes a high impedance input port when this bit is "1".
Port 3 becomes a high impedance input port when this bit is "1".
The 10 k
W
pull-up resistor for ports 1, 2, and 3 is switched off when this bit
is "1", leaving only the 100 k
W
pull-up resistor.
Serial port reception error flag.
This flag is set to "1" if an overrun or framing error is generated when data is
received at a serial port.
The flag is reset by software.
I/O control register (IOCON)
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