z8f0813 ZiLOG Semiconductor, z8f0813 Datasheet - Page 72

• Manufacturer Part Number: z8f0813
• Description: High-performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

Table 41. IRQ1 Enable High Bit Register (IRQ1ENH)
Table 42. IRQ1 Enable Low Bit Register (IRQ1ENL)
BITS
FIELD
RESET
R/W
ADDR
BITS
FIELD
RESET
R/W
ADDR
PS024314-0308
IRQ2 Enable High and Low Bit Registers
PA7VENH PA6CENH PA5ENH
PA7VENL PA6CENL
R/W
R/W
7
0
7
0
PA7VENH—Port A Bit[7] Interrupt Request Enable High Bit
PA6CENH—Port A Bit[7] or Comparator Interrupt Request Enable High Bit
PAxENH—Port A Bit[x] Interrupt Request Enable High Bit
For selection of Port A as the interrupt source, see
page 64.
PA7VENH—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 43
registers
Interrupt Request 2 register. Priority is generated by setting bits in each register.
Table 43. IRQ2 Enable and Priority Encoding
IRQ2ENH[x] IRQ2ENL[x] Priority
0
0
1
(Table 44
describes the priority control for IRQ2. The IRQ2 Enable High and Low Bit
R/W
R/W
6
0
6
0
and
PA5ENL
0
1
0
R/W
R/W
Table
5
0
5
0
45) form a priority encoded enabling for interrupts in the
Disabled
Level 1
Level 2
PA4ENH
PA4ENL
R/W
R/W
4
0
4
0
FC4H
FC5H
PA3ENH
PA3ENL
R/W
R/W
Description
Disabled
Low
Nominal
3
0
3
0
Shared Interrupt Select Register
Z8 Encore! XP
PA2ENH
PA2ENL
R/W
R/W
2
0
2
0
Product Specification
PA1ENH
PA1ENL
R/W
R/W
1
0
1
0
®
Interrupt Controller
F0823 Series
PA0ENH
PA0ENL
R/W
R/W
on
0
0
0
0
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