SI5369 Datasheet, PDF (71/84 Pages) Silicon Laboratories – ANY-FREQUENCY PRECISION CLOCK MULTIPLIER/JITTER ATTENUATOR

Si5369
Table 8. CKOUT_ALWAYS_ON and SQICAL Truth Table
CKOUT_ALWAYS_ON
0
0
1
1
SQICAL
Results
0
CKOUT OFF until after the first ICAL
1
CKOUT OFF until after the first successful
ICAL (i.e., when LOL is low)
0
CKOUT always ON, including during an ICAL
1
CKOUT always ON, including during an ICAL
Output to Output Skew
Preserved?
N
Y
N
Y
Table 9 lists all of the register locations that should be followed by an ICAL after their contents are changed.
Table 9. Register Locations Requiring ICAL
Addr
0
0
1
1
1
1
2
4
5
7
9
10
10
10
10
10
11
11
19
19
19
19
25
26
28
31
34
37
Register
BYPASS_REG
CKOUT_ALWAYS_ON
CK_PRIOR4
CK_PRIOR3
CK_PRIOR2
CK_PRIOR1
BWSEL_REG
HIST_DEL
ICMOS
FOSREFSEL
HIST_AVG
DSBL5_REG
DSBL4_REG
DSBL3_REG
DSBL2_REG
DSBL1_REG
PD_CK2
PD_CK1
FOS_EN
FOS_THR
VALTIME
LOCKT
N1_HS
NC1_LS
NC2_LS
NC3_LS
NC4_LS
NC5_LS
Rev. 1.0
71