Z8FMC04100 ZILOG [Zilog, Inc.], Z8FMC04100 Datasheet - Page 79
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Z8FMC04100
Manufacturer Part Number
Z8FMC04100
Description
Z8 Encore-R Motor Control Flash MCUs
Manufacturer
ZILOG [Zilog, Inc.]
Datasheet
1.Z8FMC04100.pdf
(402 pages)
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PS024604-1005
Bit
Position
[7]
I2CI
[5]
PC0I
[4]
PBI
[3]
PA73I
[2]
PA62I
RESET
FIELD
ADDR
BITS
R/W
Interrupt Request 1 Register
R/W
Value
(H)
0
1
0
1
0
1
0
1
0
1
I2CI
7
0
Table 31. Interrupt Request 1 Register (IRQ1)
The Interrupt Request 1 (IRQ1) Register, shown in Table 31, stores interrupt requests for
both vectored and polled interrupts. When a request is presented to the interrupt controller,
the 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.
Reserved
Description
I2C Interrupt Request
No interrupt request is pending for I2C.
An interrupt request from I2C is awaiting service.
PC0 Interrupt Request — Logic in the Port C GPIO module selects either the
rising or falling edge.
No interrupt request is pending for PC0.
An interrupt request from PC0 is awaiting service.
PB3 – PB0 Interrupt Request
No interrupt request is pending for any PB3 – PB0.
An interrupt request from PB3 – PB0 is awaiting service.
PA7 or PA3 Interrupt Request — Logic in the Port A GPIO module selects either
PA7 or PA3 and either rising or falling edge.
No interrupt request is pending for PA7 or PA3
An interrupt request from PA7 or PA3 is awaiting service.
PA6 or PA2 Interrupt Request — Logic in the Port A GPIO module selects either
PA6 or PA2 and either rising or falling edge.
No interrupt request is pending for PA6 or PA2
An interrupt request from PA6 or PA2 is awaiting service.
R
6
0
PC0I
R/W
5
0
P R E L I M I N A R Y
R/W
PBI
4
0
FC3H
PA73I
R/W
3
0
Z8FMC16100 Series Flash MCU
PA62I
R/W
2
0
Product Specification
Interrupt Request 1 Register
PA51I
R/W
1
0
PA40I
R/W
0
0
57
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