YMF715E Datasheet, PDF (49/54 Pages) YAMAHA CORPORATION – OPL3 Single-chip Audio System 3

YMF715Eɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹ
8bit Mono & ADPCM DMA Write Cycle
t_DGH
DRQ3,1,0
/DACK3,1,0
/IOW
D7-0
t_SF
t_WW
t_HR
t_WDS
t_WDH
Fig.3
8bit Mono & ADPCM DMA Read Cycle
t_DGH
DRQ3,1,0
/DACK3,1,0
/IOR
D7-0
t_SF
t_RW
t_HR
t_ACC
Fig.4
-49-
t_RDH
Valid
May 21, 1997