z86e72 ZiLOG Semiconductor, z86e72 Datasheet - Page 95
z86e72
Manufacturer Part Number
z86e72
Description
Otp Microcontroller
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z86E72.pdf
(102 pages)
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PS008704-0507
Default setting after reset = 0000 0000
R251 IMR
R250 IRQ
* Default setting after reset
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
Figure 61. Interrupt Request Register—(0) FAH: Read/Write
Figure 60. Interrupt Priority Registers—(0) F9H: Write Only
Figure 62. Interrupt Mask Register—(0) FBH: Read/Write
IRQ0 = P32 Input
IRQ1 = P33 Input
IRQ2 = P31 Input
IRQ3 = T16
IRQ4 = T8
Reserved (must be 0)
Inner Edge
P31 ↓ P32 ↓ = 00
P31 ↓ P32 ↑ = 01
P31 ↑ P32 ↓ = 10
P31 ↑↓ P32 ↑↓ = 11
1 Enables IRQ4–IRQ0
Reserved (must be 0)
Reserved (must be 0)
0 Master Interrupt Disable*
1 Master Interrupt Enable
(D0 = IRQ0)
OTP Microcontroller
91