z8f0813 ZiLOG Semiconductor, z8f0813 Datasheet - Page 70

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

Table 36. Interrupt Request 2 Register (IRQ2)
Table 38. IRQ0 Enable High Bit Register (IRQ0ENH)
BITS
FIELD
RESET
R/W
ADDR
BITS
FIELD
RESET
R/W
ADDR
PS024314-0308
IRQ0 Enable High and Low Bit Registers
Reserved
R/W
R/W
7
0
7
0
Reserved—Must be 0
PCxI—Port C Pin x Interrupt Request
0 = No interrupt request is pending for GPIO Port C pin x
1 = An interrupt request from GPIO Port C pin x is awaiting service
where x indicates the specific GPIO Port C pin number (0–3)
Table 37
registers
Interrupt Request 0 register. Priority is generated by setting bits in each register.
Table 37. IRQ0 Enable and Priority Encoding
IRQ0ENH[x] IRQ0ENL[x] Priority
where x indicates the register bits from 0–7.
0
0
1
1
T1ENH
(Table 38
describes the priority control for IRQ0. The IRQ0 Enable High and Low Bit
R/W
R/W
6
0
6
0
Reserved
and
T0ENH
0
1
0
1
R/W
R/W
Table
5
0
5
0
39) form a priority encoded enabling for interrupts in the
Disabled
Level 1
Level 2
Level 3
U0RENH
R/W
R/W
4
0
4
0
FC6H
FC1H
U0TENH
PC3I
R/W
R/W
Description
Disabled
Low
Nominal
High
3
0
3
0
Reserved Reserved
Z8 Encore! XP
PC2I
R/W
R/W
2
0
2
0
Product Specification
PC1I
R/W
R/W
1
0
1
0
®
Interrupt Controller
F0823 Series
ADCENH
PC0I
R/W
R/W
0
0
0
0
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