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Rev. C - 06 March, 2001
39
TS80C51RA2/RD2
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
Table 17. PCON Register
PCON - Power Control Register (87h)
7
Reset Value = 00X1 0000b
Not bit addressable
Power-off flag reset value will be 1 only after a power on (cold reset). A warm reset doesn’t affect the value of this bit.
6
5
4
3
2
1
0
SMOD1
SMOD0
-
POF
GF1
GF0
PD
IDL
Bit Number
Bit
Mnemonic
Description
7
SMOD1
Serial port Mode bit 1
Set to select double baud rate in mode 1, 2 or 3.
6
SMOD0
Serial port Mode bit 0
Clear to select SM0 bit in SCON register.
Set to to select FE bit in SCON register.
5
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
4
POF
Power-Off Flag
Clear to recognize next reset type.
Set by hardware when VCC rises from 0 to its nominal voltage. Can also be set by software.
3
GF1
General purpose Flag
Cleared by user for general purpose usage.
Set by user for general purpose usage.
2
GF0
General purpose Flag
Cleared by user for general purpose usage.
Set by user for general purpose usage.
1
PD
Power-Down mode bit
Cleared by hardware when reset occurs.
Set to enter power-down mode.
0
IDL
Idle mode bit
Clear by hardware when interrupt or reset occurs.
Set to enter idle mode.
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| TS80C51RA2-LCKR | High Performance 8-bit Microcontrollers |
| TS80C51RA2-LCLB | High Performance 8-bit Microcontrollers |
| TS80C51RA2-LCLD | High Performance 8-bit Microcontrollers |
| TS80C51RA2-LCLR | High Performance 8-bit Microcontrollers |
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TS80C51RA2-LCJR | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:High Performance 8-bit Microcontrollers |
| TS80C51RA2-LCKB | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:High Performance 8-bit Microcontrollers |
| TS80C51RA2-LCKD | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:High Performance 8-bit Microcontrollers |
| TS80C51RA2-LCKR | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:High Performance 8-bit Microcontrollers |
| TS80C51RA2-LCLB | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:High Performance 8-bit Microcontrollers |
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