Electrical Characteristics
Clock Timing
The clocks in the different operating modes are summarized in tables 25 – 27,
with the respective duty ratios.
Table 25
ISAC®-S Clock Signals (IOM®-1 mode)
Application
M1
M0
DCLK
FSC1/2
CP
X1
TE
0
0
o:512 kHz*
1:2
o:8 kHz*
1:1
o:1536 kHz*
3:2
o:3840 kHz
1:1
LT-T
LT-S
NT
0
1
1
1
0
1
i:512 kHz
i:512 kHz
i:512 kHz
i:8 kHz
i:8 kHz
i:8 kHz
o:512 kHz*
1:2
–
–
o:7680 kHz
1:1
–
–
Table 26
ISAC®-S Clock Signals (IOM®-2 mode)
Application M1 M0 DCL
FSC1
FSC2
CP/BCL
o:768 kHz* –
1:1
X1
SDS1/2
TE
0
0
1
1
0
1
0
1
o:1536 kHz* o:8 kHz*
o:8 kHz
1:11
2:10
3:2
1:2
LT-T
LT-S
NT
i:4096 kHz
i:8 kHz i:8 kHz o:512 kHz* –
o:8 kHz
1:11
2:10
1:2
i:4096 kHz
i:512 kHz
i:8 kHz i:8 kHz
i:8 kHz i:8 kHz
–
o:7680 kHz o:8 kHz
1:1
1:11
2:10
–
–
o:8 kHz
1:11
2:10
)
*
Synchronous to receive "S" line
Semiconductor Group
259
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