Silicon Laboratories SI5322 Clock User Manual


 
Si53xx-RM
Rev. 0.5 147
APPENDIX E—INTERNAL PULLUP, PULLDOWN BY PIN
Tables 68–79 show which 2-Level CMOS pins have pullups or pulldowns. Note the value of the pullup/pulldown
resistor is typically 75 k.
Table 68. Si5316 Pullup/Down
Pin # Si5316 Pull?
1
RST
U
11
RATE0 U, D
14
DBL2_BY U, D
15
RATE1 U, D
21
CS U, D
22
BWSEL0 U, D
23
BWSEL1 U, D
24
FRQSEL0 U, D
25
FRQSEL1 U, D
26
CK1DIV U, D
27
CK2DIV U, D
30
SFOUT1 U, D
33
SFOUT0 U, D
Table 69. Si5322 Pullup/Down
Pin # Si5322 Pull?
1RST
U
2FRQTBLU, D
9 AUTOSEL U, D
14 DBL2_BY U, D
21 CS_CA U, D
22 BWSEL0 U, D
23 BWSEL1 U, D
24 FRQSEL0 U, D
25 FRQSEL1 U, D
26 FRQSEL2 U, D
27 FRQSEL3 U, D
30 SFOUT1 U, D
33 SFOUT0 U, D