AMD Am79C930 - Manual (Page 150)

AMD P R E L I M I N A R Y
150 Am79C930
ISA Bus Interface Waveforms
20138B-14
** CMD = one of: MEMR , MEMW , IOR , IOW
LAn
CMD**
SDout (read)
ti1
ti8
ti34
ti3
ti14
IOCHRDY
ti7
ti4 ti20
AEN
BALE
SAn
ti2
ti10
SDin (write)
ti11
ti12
ti13
ti15
ti21
ti22
ti23
ti25
ti26 ti30
ti31 ti32
ti9
ti16
Figure 8. ISA All Access Timing Diagram