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W77E516数据手册封面

W77E516 Datasheet

  • W77E516

  • uC-Based Consumer IC > Controller IC > 8-Bit Microcontrolle...

  • 1107.54KB

  • Winbond

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Preliminary W77E516
Accumulator
Bit:
7
ACC.7
Mnemonic: ACC
6
ACC.6
5
ACC.5
4
ACC.4
3
ACC.3
2
ACC.2
1
ACC.1
0
ACC.0
Address: E0h
ACC.7
鈭?/div>
0: The A (or ACC) register is the standard 8052 accumulator.
Extended Interrupt Enable
Bit:
7
-
Mnemonic: EIE
EIE.7
鈭?/div>
5: Reserved bits, will read high
EWDI: Enable Watchdog timer interrupt
EX5: External Interrupt 5 Enable.
EX4: External Interrupt 4 Enable.
EX3: External Interrupt 3 Enable.
EX2: External Interrupt 2 Enable.
6
-
5
-
4
EWDI
3
EX5
2
EX4
1
EX3
0
EX2
Address: E8h
B Register
Bit:
7
B.7
Mnemonic: B
6
B.6
5
B.5
4
B.4
3
B.3
2
B.2
1
B.1
0
B.0
Address: F0h
B.7
鈭?/div>
0: The B register is the standard 8052 register that serves as a second accumulator.
Extended Interrupt Priority
Bit:
7
-
Mnemonic: EIP
EIP.7
鈭?/div>
5: Reserved bits.
PWDI: Watchdog timer interrupt priority.
PX5: External Interrupt 5 Priority.
PX4: External Interrupt 4 Priority.
PX3: External Interrupt 3 Priority.
PX2: External Interrupt 2 Priority.
0 = Low priority, 1 = High priority.
0 = Low priority, 1 = High priority.
0 = Low priority, 1 = High priority.
0 = Low priority, 1 = High priority.
6
-
5
-
4
PWDI
3
PX5
2
PX4
1
PX3
0
PX2
Address: F8h
- 33 -
Publication Release Date: August 16, 2002
Revision A1

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