z8f0822 ZiLOG Semiconductor, z8f0822 Datasheet - Page 78
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z8f0822
Manufacturer Part Number
z8f0822
Description
High Performance 8-bit Microcontrollers
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z8F0822.pdf
(264 pages)
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Table 32. IRQ1 Enable High Bit Register (IRQ1ENH)
Table 33. IRQ1 Enable Low Bit Register (IRQ1ENL)
PS022517-0508
BITS
FIELD
RESET
R/W
ADDR
BITS
FIELD
RESET
R/W
ADDR
IRQ2 Enable High and Low Bit Registers
7
7
PA7ENH
PA7ENL
Table 31. IRQ1 Enable and Priority Encoding
PAxENH—Port A Bit[x] Interrupt Request Enable High Bit
PAxENL—Port A Bit[x] Interrupt Request Enable Low Bit
Table 34
Registers
Interrupt Request 2 register. Priority is generated by setting bits in each register.
IRQ1ENH[x]
where x indicates the register bits from 0 through 7.
6
6
PA6ENH
PA6ENL
0
0
1
1
describes the priority control for IRQ2. The IRQ2 Enable High and Low Bit
(Table 35
5
5
IRQ1ENL[x]
PA5ENH
PA5ENL
and
Table
0
1
0
1
36) form a priority encoded enabling for interrupts in the
4
4
PA4ENH
PA4ENL
Priority
Disabled
Level 1
Level 2
Level 3
FC4H
FC5H
R/W
R/W
0
0
3
3
PA3ENH
PA3ENL
Description
Disabled
Low
Nominal
High
2
2
Z8 Encore! XP
PA2ENH
PA2ENL
Product Specification
1
1
PA1ENH
PA1ENL
®
Interrupt Controller
F0822 Series
0
0
PA0ENH
PA0ENL
65
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