Fujitsu MPG3XXXAH manual Device pausing an Ultra DMA data out burst

5.6.3.9Device pausing an Ultra DMA data out burst

5.6.3.2 contains the values for the timings for each of the Ultra DMA Modes.

DMARQ	tRP
(device)

DMACK- (host)

STOP (host)

DDMARDY- (device)

tRFS

HSTROBE (host)

DD(15:0)

(host)

Notes:

1)The device may negate DMARQ to request termination of the Ultra DMA burst no sooner than tRP after DDMARDY- is negated.

2)After negating DDMARDY-, the device may receive zero, one two or three more data words from the host.

Figure 5.17 Device pausing an Ultra DMA data out burst

C141-E112-01EN 5 - 101