Fujitsu MHC2040AT Manuale Utente

5-2

C141-E050-02EN

Figure 5.1 shows the interface signals.

INTRQ:

INTERRUPT REQUEST

IOCS16-: 16-BIT I/O
PDIAG:

PASSED DIAGNOSTICS

DASP-:

DEVICE ACTIVE/SLAVE PRESENT

DIOW-: I/O WRITE
STOP:

STOP DURING ULTRA DMA DATA BURSTS

DIOR-:

I/O READ

HDMARDY: DMA READY DURING ULTRA DMA DATA IN BURSTS
HSTROBE: DATA STROBE DURING ULTRA DMA DATA OUT BURSTS

IORDY:

I/O READY

DDMARDY: DMA READY DURING ULTRA DMA DATA OUT BURSTS
DSTROBE: DATA STROBE DURING ULTRA DMA DATA IN BURSTS