SI5327 Datasheet, PDF (53/60 Pages) Silicon Laboratories – ANY-FREQUENCY PRECISION CLOCK MULTIPLIER/JITTER ATTENUATOR

Si5327
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
2
4
5
9
10
10
11
11
19
19
25
31
34
40
40
43
46
Register
BYPASS_REG
CKOUT_ALWAYS_ON
BWSEL_REG
HIST_DEL
ICMOS
HIST_AVG
DSBL2_REG
DSBL1_REG
PD_CK2
PD_CK1
VALTIME
LOCKT
N1_HS
NC1_LS
NC2_LS
N2_HS
N2_LS
N31
N32
Table 10. Si5327 Internal Pull up/Pull down
Pin #
1
11
21
22
24
25
26
27
36
Si5327
RST
RATE
CKSEL
SCL
A0
A1
A2_SS
SDI
CMODE
Pull up/
Pull down
U
U, D
U, D
D
D
D
D
D
U, D
Rev. 1.0
53