參數(shù)資料
型號: Z86C71
廠商: ZiLOG, Inc.
英文描述: IR/Low-Voltage Microcontroller
中文描述: 紅外/低電壓微控制器
文件頁數(shù): 58/61頁
文件大小: 349K
代理商: Z86C71
Z86L70/71/75/C71
IR/Low-Voltage Microcontroller
Zilog
1-58
P R E L I M I N A R Y
DS97LVO0500
Figure 51. Interrupt Request Register
((0) FAH: Read/Write)
Figure 52. Interrupt Mask Register
((0) FBH: Read/Write)
Figure 53. Flag Register
((0) FCH: Read/Write)
D7
D6
D5
D4
D3
D2
D1
D0
R250 IRQ
Inter Edge
P31
P32
= 00
P31
P32
= 01
P31
P32
= 10
P31
↑↓
P32
↑↓
= 11
IRQ0 = P32 Input
IRQ1 = P33 Input
IRQ2 = P31 Input
IRQ3 = T16_OUT
IRQ4 = T8_OUT
Reserved (Must be 0)
Default Setting After Reset = 0000 0000
D7 D6
D5
D4
D3
D2
D1
D0
Reserved (Must be 0)
1 Enables IRQ4-IRQ0
(D0 = IRQ0)
Reserved (Must be 0)
0 Master Interrupt Disable*
1 Master Interrupt Enable
R251 IMR
* Default Setting After Reset
D7 D6 D5 D4 D3 D2 D1 D0
User Flag F1
User Flag F2
Half Carry Flag
Decimal Adjust Flag
Overflow Tag
Sign Flag
Zero Flag
Carry Flag
R252 FLAGS
Figure 54. Register Pointer
((0) FDH: Read/Write)
Figure 55. Stack Pointer High
((0) FEH: Read/Write)
Figure 56. Stack Pointer Low
((0) FFH: Read/Write)
D7 D6 D5 D4 D3 D2 D1 D0
Expanded Register
Pointer
Working Register
Pointer
R253 RP
Default Setting After
Reset = 0000 0000
D7 D6 D5 D4 D3 D2 D1 D0
Stack Pointer Upper
Byte (SP15-SP8)
R254 SPH
D7 D6 D5 D4 D3 D2 D1 D0
Stack Pointer Lower
Byte (SP7-SP0)
R255 SPL
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