z8f083a ZiLOG Semiconductor, z8f083a Datasheet - Page 74

• Manufacturer Part Number: z8f083a
• Description: High-performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

Table 42. IRQ2 Enable High Bit Register (IRQ2ENH)
BITS
FIELD
RESET
R/W
ADDR
PS026308-1207
IRQ2 Enable High and Low Bit Registers
R/W
7
0
PA7ENH—Port A Bit[7] interrupt request enable low bit
PA6CENH—Port A Bit[6] or comparator interrupt request enable low bit
PAxENL—Port A Bit[x] interrupt request enable low bit
Table 41
registers
interrupts in the interrupt request 2 register. Priority is generated by setting bits in each
register.
Table 41. IRQ2 Enable and Priority Encoding
Reserved—Must be 0.
C3ENH—Port C3 interrupt request enable high bit
C2ENH—Port C2 interrupt request enable high bit
C1ENH—Port C1 interrupt request enable high bit
C0ENH—Port C0 interrupt request enable high bit
where x indicates the register bits from 0–7.
IRQ2ENH[x] IRQ2ENL[x]
0
0
1
1
(Table 42
describes the priority control for IRQ2. The IRQ2 enable high and low bit
R/W
6
0
Reserved
and
0
1
0
1
R/W
Table 43
5
0
Priority
Disabled
Level 1
Level 2
Level 3
on page 63) form a priority encoded enabling for
R/W
4
0
FC7H
C3ENH
R/W
Description
Disabled
Low
Nominal
High
3
0
C2ENH
R/W
Z8 Encore!
2
0
Product Specification
C1ENH
R/W
1
0
®
Interrupt Controller
F083A Series
C0ENH
R/W
0
0
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