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Z8F082ASH020SC датащи(PDF) 73 Page - Zilog, Inc.

номер детали Z8F082ASH020SC
подробное описание детали  Z8 Encore XP-R F08xA Series with eXtended Peripherals
PDF  244 Pages
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производитель  ZILOG [Zilog, Inc.]
домашняя страница  http://www.zilog.com
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Z8F082ASH020SC датащи(HTML) 73 Page - Zilog, Inc.

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PS024705-0405
P R E L I M I N A R Y
Interrupt Controller
Z8 Encore! XP® F08xA Series
Product Specification
55
PA6CENH—Port A Bit[6] or Comparator Interrupt Request Enable Low Bit
PAxENL—Port A Bit[x] Interrupt Request Enable Low Bit
IRQ2 Enable High and Low Bit Registers
Table 41 describes the priority control for IRQ2. The IRQ2 Enable High and Low Bit reg-
isters (Tables 42 and 43) form a priority encoded enabling for interrupts in the Interrupt
Request 2 register. Priority is generated by setting bits in each register.
Reserved—Must be 0.
C3ENH—Port C3 Interrupt Request Enable High Bit
C2ENH—Port C2 Interrupt Request Enable High Bit
Table 40. IRQ1 Enable Low Bit Register (IRQ1ENL)
BITS
7
6
5
4
3
2
1
0
FIELD
PA7ENL
PA6CENL
PA5ENL
PA4ENL
PA3ENL
PA2ENL
PA1ENL
PA0ENL
RESET
0
000
00
00
R/W
R/WR/W
R/WR/W
R/WR/W
R/WR/W
ADDR
FC5H
Table 41. IRQ2 Enable and Priority Encoding
IRQ2ENH[x]IRQ2ENL[x] Priority
Description
0
0
Disabled
Disabled
0
1
Level 1
Low
1
0
Level 2
Nominal
1
1
Level 3
High
where x indicates the register bits from 0–7.
Table 42. IRQ2 Enable High Bit Register (IRQ2ENH)
BITS
7
6
5
4
3
2
1
0
FIELD
Reserved
C3ENH
C2ENH
C1ENH
C0ENH
RESET
0
000
00
00
R/W
R/WR/W
R/WR/W
R/WR/W
R/WR/W
ADDR
FC7H



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