Z8F1602 ZILOG [Zilog, Inc.], Z8F1602 Datasheet - Page 71
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Z8F1602
Manufacturer Part Number
Z8F1602
Description
Z8 Encore Microcontrollers with Flash Memory and 10-Bit A/D Converter
Manufacturer
ZILOG [Zilog, Inc.]
Datasheet
1.Z8F1602.pdf
(246 pages)
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Table 30. IRQ1 Enable High Bit Register (IRQ1ENH)
Table 31. IRQ1 Enable Low Bit Register (IRQ1ENL)
PS017610-0404
RESET
RESET
FIELD
FIELD
ADDR
ADDR
BITS
BITS
R/W
R/W
IRQ2 Enable High and Low Bit Registers
PAD7ENH PAD6ENH PAD5ENH PAD4ENH PAD3ENH PAD2ENH PAD1ENH PAD0ENH
PAD7ENL PAD6ENL PAD5ENL PAD4ENL PAD3ENL PAD2ENL PAD1ENL PAD0ENL
R/W
R/W
7
0
7
0
PADxENH—Port A or Port D Bit[x] Interrupt Request Enable High Bit
Refer to the Interrupt Port Select register for selection of either Port A or Port D as the
interrupt source.
PADxENL—Port A or Port D Bit[x] Interrupt Request Enable Low Bit
Refer to the Interrupt Port Select register for selection of either Port A or Port D as the
interrupt source.
The IRQ2 Enable High and Low Bit registers (Tables 33 and 34) form a priority encoded
enabling for interrupts in the Interrupt Request 2 register. Priority is generated by setting
bits in each register. Table 32 describes the priority control for IRQ2.
Table 32. IRQ2 Enable and Priority Encoding
where x indicates the register bits from 0 through 7.
IRQ2ENH[x] IRQ2ENL[x] Priority
0
0
1
1
R/W
R/W
6
0
6
0
0
1
0
1
R/W
R/W
5
0
5
0
Disabled
Level 1
Level 2
Level 3
R/W
R/W
4
4
0
0
Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
FC4H
FC5H
R/W
R/W
Description
Disabled
Low
Nominal
High
3
0
3
0
R/W
R/W
2
2
0
0
R/W
R/W
Interrupt Controller
1
0
1
0
Z8 Encore!
R/W
R/W
0
0
0
0
®
53
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