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AT89C51ED2-RDTIM Folha de dados(PDF) 85 Page - ATMEL Corporation

Nome de Peças AT89C51ED2-RDTIM
Descrição Electrónicos  8-bit Flash Microcontroller
PDF  137 Pages
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Fabricante Electrônico  ATMEL [ATMEL Corporation]
Página de início  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C51ED2-RDTIM Folha de dados(HTML) 85 Page - ATMEL Corporation

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AT89C51RD2/ED2
4235E–8051–04/04
Registers
Table 60. PCON Register
PCON (S87:h) Power configuration Register
Reset Value= XXXX 0000b
76
54
32
1
0
--
--
GF1
GF0
PD
IDL
Bit
Number
Bit
Mnemonic
Description
7-4
-
Reserved
The value read from these bits is indeterminate. Do not set these bits.
3GF1
General Purpose flag 1
One use is to indicate whether an interrupt occurred during normal operation or
during Idle mode.
2GF0
General Purpose flag 0
One use is to indicate whether an interrupt occurred during normal operation or
during Idle mode.
1PD
Power-Down Mode bit
Cleared by hardware when an interrupt or reset occurs.
Set to activate the Power-Down mode.
If IDL and PD are both set, PD takes precedence.
0IDL
Idle Mode bit
Cleared by hardware when an interrupt or reset occurs.
Set to activate the Idle mode.
If IDL and PD are both set, PD takes precedence.



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