SI5325C-C-GM Datasheet, PDF (140/178 Pages) Silicon Laboratories – ANY-FREQUENCY PRECISION CLOCKS

Si53xx-RM
APPENDIX E—INTERNAL PULLUP, PULLDOWN BY PIN
Tables 60–71 show which 2-Level CMOS pins have pullups or pulldowns. Note the value of the pullup/pulldown
resistor is typically 75 k.
Table 60. Si5316 Pullup/Down
Pin #
1
11
14
15
21
22
23
24
25
26
27
30
33
Si5316
RST
RATE0
DBL2_BY
RATE1
CS
BWSEL0
BWSEL1
FRQSEL0
FRQSEL1
CK1DIV
CK2DIV
SFOUT1
SFOUT0
Pull?
U
U, D
U, D
U, D
U, D
U, D
U, D
U, D
U, D
U, D
U, D
U, D
U, D
Table 61. Si5322 Pullup/Down
Pin #
1
2
9
14
21
22
23
24
25
26
27
30
33
Si5322
RST
FRQTBL
AUTOSEL
DBL2_BY
CS_CA
BWSEL0
BWSEL1
FRQSEL0
FRQSEL1
FRQSEL2
FRQSEL3
SFOUT1
SFOUT0
Pull?
U
U, D
U, D
U, D
U, D
U, D
U, D
U, D
U, D
U, D
U, D
U, D
U, D
140
Rev. 1.2