ATWEBDVK-02VOIP Atmel, ATWEBDVK-02VOIP Datasheet - Page 83
ATWEBDVK-02VOIP
Manufacturer Part Number
ATWEBDVK-02VOIP
Description
KIT DEV TCP/IP AT89C51RD2 VOIP
Manufacturer
Atmel
Series
@Webr
Datasheet
1.ATWEBDVK-02RC.pdf
(137 pages)
Specifications of ATWEBDVK-02VOIP
Main Purpose
*
Embedded
*
Utilized Ic / Part
AT89C51RD2
Primary Attributes
*
Secondary Attributes
*
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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18.4
4235K–8051–05/08
Registers
Table 18-2.
Reset Value= XXXX 0000b
Bit Number
7-4
7
3
2
1
0
-
Mnemonic
PCON Register
PCON (S87:h) Power configuration Register
GF1
GF0
IDL
PD
Bit
6
-
-
Description
Reserved
The value read from these bits is indeterminate. Do not set these bits.
General Purpose flag 1
One use is to indicate whether an interrupt occurred during normal operation or during
Idle mode.
General Purpose flag 0
One use is to indicate whether an interrupt occurred during normal operation or during
Idle mode.
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.
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.
5
-
4
-
GF1
3
AT89C51RD2/ED2
GF0
2
PD
1
IDL
0
83
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