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參數(shù)資料
| 型號： | 80C154S |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Digital Temperature Sensor with SPI™ Interface, -55C to +125C, 8-DFN, T/R |
| 中文描述： | 的CMOS 8位微控制器（258.00十一） |
| 文件頁數(shù)： | 17/40頁 |
| 文件大?。?/td> | 258K |
| 代理商： | 80C154S |
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17/40
MSM80C154S/83C154S
Semiconductor
Program status word register (PSW)
Accumulator (ACC) parity indicator.
This bit is "1" when the "1" bit number in the accumulator is an odd number, and
"0" when an even number.
NAME
ADDRESS
MSB
7
CY
LSB
0
P
6
AC
5
F0
4
3
2
1
F1
BIT LOCATION
PSW.0
FLAG
P
FUNCTION
PSW
0D0H
RS1
RS0
OV
User flag which may be set to "0" or "1" as desired by the user.
Overflow flag which is set if the carry C6 from bit 6 of the ALU or CY is "1" as a
result of an arithmetic operation. The flag is also set to "1" if the resultant product
of executing multiplication instruction (MUL AB) is greater than 0FFH, but is reset
to "0" if the product is less than or equal to 0FFH.
PSW.1
PSW.2
F1
OV
RAM register bank switch
RS1
RS0
0
0
1
1
User flag which may be set to "0" or "1" as desired by the user.
Auxiliary carry flag.
This flag is set to "1" if a carry C
3
is generated from bit 3 of the ALU as a result of
executing an arithmetic operation instruction.
In all other cases, the flag is reset to "0".
PSW.3
RS0
00H - 07H
08H - 0FH
10H - 17H
18H - 1FH
0
1
0
1
PSW.4
RS1
BANK
0
1
2
3
PSW.5
PSW.6
F0
AC
Main carry flag.
This flag is set to "1" if a carry C
7
is generated from bit 7 of the ALU as result of
executing an arithmetic operation instruction.
If a carry C
7
is not generated, the flag is reset to "0".
PSW.7
CY
RAM ADDRESS
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