AMD Am186TMER, Am188TMER user manual Synchronous Serial Interface Multiple Write

Figure 12-5 Synchronous Serial Interface Multiple Write

PB=0	PB=1	PB=0	PB=1	PB=0	PB=1	PB=0	PB=0
DR/DT=0	DR/DT=0	DR/DT=1	DR/DT=0	DR/DT=1	DR/DT=0	DR/DT=1	DR/DT=0

SDEN
SCLK
SDATA
Poll SSS for	Poll SSS for	Poll SSS for
PB=0	PB=0	PB=0
Write to SSD	Write to SSD	Write to SSD

Write to SSC	Write to SSC bit
	DE=0
bit DE=1

Figure 12-6 Synchronous Serial Interface Multiple Read

PB=0	PB=1	PB=0	PB=1	PB=0	PB=1	PB=0	PB=0
DR/DT=0	DR/DT=0	DR/DT=1	DR/DT=0	DR/DT=1	DR/DT=0	DR/DT=1	DR/DT=0

SDEN
SCLK
SDATA
Poll SSS for	Poll SSS for		Poll SSS for
PB=0	PB=0		PB=0
Write to SSD	Read from SSR	Read from	Write to SSC
	(dummy)	SSR
			bit DE=0	Read from SSR
Write to SSC
bit DE=1

12-8 Synchronous Serial Interface