參數(shù)資料
型號(hào): W77IC32
元件分類(lèi): 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁(yè)數(shù): 26/72頁(yè)
文件大小: 952K
代理商: W77IC32
W77IC32
- 26 -
Extended Interrupt Enable
Bit:
7
6
5
4
3
2
1
0
-
-
-
EWDI
EX5
EX4
EX3
EX2
Mnemonic: EIE
Address: E8h
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
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
5
4
3
2
1
0
-
-
-
PWDI
PX5
PX4
PX3
PX2
Mnemonic: EIP
Address: F8h
EIP.7-5:Reserved bits.
PWDI: Watchdog timer interrupt priority.
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.
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