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| SH7604 Datasheet, PDF (100/633 Pages) Hitachi Semiconductor – Hardware Manual | |||
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Interrupt
requests
SH7604
Priority
encoder
4
IRL0âIRL3
Vector number
generator
circuit
D0âD7
IRL0âIRL3
A0âA3
IVECF
RD
D0âD7
Figure 5.2 Example of Connections for External Vector Mode Interrupts
SH7604
Interrupt
requests
Priority
encoder
4
IRL0âIRL3
IRL0âIRL3
Figure 5.3 Example of Connections for Auto-Vector Mode Interrupts
Figure 5.4 shows the interrupt fetch cycle for the external vector mode. During this cycle, CS0â
CS3 stay high. A26âA4 output undefined values. The WAIT pin is sampled, but programmable
waits are not valid.
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