W79E201 Datasheet, PDF (31/87 Pages) Winbond – 8-BIT MICROCONTROLLER

W79E201
Extended Interrupt Enable
Bit:
7
6
-
-
Mnemonic: EIE
5
4
3
-
EWDI
-
BIT NAME
FUNCTION
7~5
-
Reserved, will read high
4
EWDI _{Enable Watchdog timer interrupt}
3~0
-
Reserved, will read high
2
1
0
-
-
-
Address: E8h
B Register
Bit:
7
6
5
4
3
2
1
0
B.7
B.6
B.5
B.4
B.3
B.2
B.1
B.0
Mnemonic: B
Address: F0h
B.7-0: The B register is the standard 8052 register that serves as a second accumulator.
Extended Interrupt Priority
Bit:
7
6
-
-
Mnemonic: EIP
5
4
3
-
PWDI
-
BIT NAME
FUNCTION
7~5
-
Reserved.
4
PWDI _{Watchdog Timer Interrupt Priority.}
3~0
-
Reserved.
2
1
0
-
-
-
Address: F8h
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Publication Release Date: December 16, 2004
Revision A2