YSS944 Datasheet, PDF (26/34 Pages) YAMAHA CORPORATION – ADAMB Advanced Digital Audio Multi channel decode processor

YSS944/943/940
(b)Microprocessor interface
No.
Parameter
Symbol Condition Min.
Typ.
Max. Unit
1 MISCK cycle
tcc
160
ns
2 MISCK rise time
tcr
20
ns
3 MISCK fall time
tcf
4 MISCK high level time
tch
80
5 MISCK low level time
tcl
80
20
ns
ns
ns
6 nMICS and MISI setup time tset Note 1)
10
7 nMICS and MISI hold time thold Note 1)
10
8 MISO output delay time
tdelay CL = 50pF
ns
ns
50
ns
9 MISO output High-Z time
tz CL = 50pF
20
ns
Note 1) Satisfy the setup time/hold time (vs. MISCK) on starting/ending transfer, with nMICS = L.
nMICS
6
MISCK
MISI
MISO
High-Z
1
3
2
5
4
67
8
7
9
26