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3. STD Bus Interface
ÛZIATECH
30
STD Bus Polled Interrupt Structure
ZT 8907
STD BUS
INTERRUPT
I
S
P
I
S
P
I
S
P
INTRQ*
INTRQ*
INTRQ*
INTRQ*
INTERRUPT STATUS
PORT
INTERRUPT
SOURCE N
INTERRUPT
SOURCE 2
SOURCE 1
ZT8907
STD Bus Vectored Interrupt Structure
ZT 8907
STD BUS
INTRQ*
INTRQ*
INTRQ1*
INTRQ2*
INTERRUPT
INTRQ1*
INTRQ2*
Frontplane
Interrupts
INTERRUPT
SOURCE 7
INTERRUPT
SOURCE 4
SOURCE 3
INTERRUPT
SOURCE 2
INTERRUPT
SOURCE 1
ZT8907