z8f083a ZiLOG Semiconductor, z8f083a Datasheet - Page 70
z8f083a
Manufacturer Part Number
z8f083a
Description
High-performance 8-bit Microcontrollers
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z8F083A.pdf
(256 pages)
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Table 32. Interrupt Request 0 Register (IRQ0)
Table 33. Interrupt Request 1 Register (IRQ1)
BITS
FIELD
RESET
R/W
ADDR
BITS
FIELD
RESET
R/W
ADDR
PS026308-1207
Interrupt Request 1 Register
Reserved
PA7I
R/W
R/W
7
0
7
0
CPU. If interrupts are globally disabled (polled interrupts), the eZ8 CPU reads the
interrupt request 0 register to determine if any interrupt requests are pending.
Reserved—Must be 0.
T1I—Timer 1 interrupt request
0 = No interrupt request is pending for Timer 1.
1 = An interrupt request from timer 1 is awaiting service.
T0I—Timer 0 interrupt request
0 = No interrupt request is pending for Timer 0.
1 = An interrupt request from timer 0 is awaiting service.
ADCI—ADC interrupt request
0 = No interrupt request is pending for the ADC.
1 = An interrupt request from the ADC is awaiting service.
The interrupt request 1 (IRQ1) register stores interrupt requests for both vectored and
polled interrupts. See
corresponding bit in the IRQ1 register becomes 1. If interrupts are globally enabled
(vectored interrupts), the interrupt controller passes an interrupt request to the eZ8 CPU. If
interrupts are globally disabled (polled interrupts), the eZ8 CPU reads the interrupt request
1 register to determine if any interrupt requests are pending.
PA6CI
R/W
R/W
T1I
6
0
6
0
PA5I
R/W
Table
R/W
T0I
5
0
5
0
33. When a request is sent to the interrupt controller, the
Reserved Reserved Reserved Reserved
PA4I
R/W
R/W
4
0
4
0
FC0H
FC3H
PA3I
R/W
R/W
3
0
3
0
PA2I
R/W
R/W
Z8 Encore!
2
0
2
0
Product Specification
PA1I
R/W
R/W
1
0
1
0
®
Interrupt Controller
F083A Series
ADCI
PA0I
R/W
R/W
0
0
0
0
58
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