W77C32F-40 Nuvoton Technology Corporation of America, W77C32F-40 Datasheet - Page 27

• Manufacturer Part Number: W77C32F-40
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W77C32F-40

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Accumulator
ACC.7-0: The A (or ACC) register is the standard 8052 accumulator.
Extended Interrupt Enable
EIE.7-5: 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.
B Register
B.7-0: The B register is the standard 8052 register that serves as a second accumulator.
Extended Interrupt Priority
EIP.7-5: Reserved bits.
PWDI:
PX5: External Interrupt 5 Priority. 0 = Low priority, 1 = High priority.
PX4: External Interrupt 4 Priority. 0 = Low priority, 1 = High priority.
PX3: External Interrupt 3 Priority. 0 = Low priority, 1 = High priority.
PX2: External Interrupt 2 Priority. 0 = Low priority, 1 = High priority.
Mnemonic: EIE
Watchdog timer interrupt priority.
Mnemonic: ACC
Mnemonic: B
Mnemonic: EIP
Bit:
Bit:
Bit:
Bit:
ACC.7
B.7
7
7
7
7
-
-
ACC.6
B.6
6
6
6
6
-
-
ACC.5
B.5
5
5
5
5
-
-
- 27 -
ACC.4
EWDI
PWDI
B.4
4
4
4
4
Publication Release Date: December 20, 2005
ACC.3
EX5
PX5
Address: E8h
B.3
3
3
3
3
W77C32/W77C032
ACC.2
Address: E0h
EX4
PX4
Address: F0h
Address: F8h
B.2
2
2
2
2
ACC.1
EX3
PX3
B.1
1
1
1
1
ACC.0
Revision A5
EX2
PX2
B.0
0
0
0
0