Renesas PROM Programming Adapter PCA7408 Bedienungsanleitung PDF herunterladen (Seite 20)

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP

Rev.1.00 Oct 01, 2002 page 20 of 110

REJ03B0134-0100Z

(4) Serial I/O interrupt

This is an interrupt request from the clock synchronous serial I/O

function.

(5) f(XIN)/4096 interrupt

The f (XIN)/4096 interrupt occurs regularly with a f(XIN)/4096 pe-

riod. Set bit 0 of PWM output control register 1 to “0.”

(6) Multi-master I

C-BUS interface interrupt

This is an interrupt request related to the multi-master I

C-BUS

interface.

(7) BRK instruction interrupt

This software interrupt has the least significant priority. It does

not have a corresponding interrupt enable bit, and it is not af-

fected by the interrupt disable flag I (non-maskable).

Fig. 8.3.1 Interrupt Control

Interrupt request bi

Interrupt enable bi

Interrupt disable flag

BRK instruction

Reset

Interrupt

request

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Renesas PROM Programming Adapter PCA7408 Bedienungsanleitung Seite 20