z86d73 ZiLOG Semiconductor, z86d73 Datasheet - Page 85

• Manufacturer Part Number: z86d73
• Description: 40/44/48-pin Low-voltage
• Manufacturer: ZiLOG Semiconductor

PS019402-1103
R250 IRQ
Figure 52. Interrupt Request Register (FAh: Read/Write)
R251 IMR
Figure 53. Interrupt Mask Register (FBh: Read/Write)
D7
D7
* Default setting after reset
* * Only by using E1, D1 instruction; D1 is required before changing the IMR register
D6
D6
D5
D5
D4
D4
P
D3
D3
R
E
D2
D2
L
D1
D1
I
M
D0
D0
I
N
A
40/44/48-Pin Low-Voltage IR OTP
IRQ0 = P32 Input
IRQ1 = P33 Input
IRQ2 = P31 Input
IRQ3 = T16
IRQ4 = T8
IRQ5 = LVD
Inter Edge
P31
P31
P31
P31
1 Enables IRQ5–IRQ0
Reserved (Must be 0)
0 Master Interrupt Disable *
1 Master Interrupt Enable * *
(D0 = IRQ0)
R
↓
↓
↑
↑↓
Y
P32
P32
P32
P32
↓
↑
↓
↑↓
= 00
= 01
= 10
= 11
Z86D73
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