S-35190A Datasheet, PDF (8/53 Pages) Seiko Instruments Inc – 3-WIRE REAL-TIME CLOCK

3-WIRE REAL-TIME CLOCK
S-35190A
Rev.2.4_00
CS
SCK
SIO
tDS tCSH
tDS
tCSS tDH
tDH
Figure 10 Timing Diagram 1 during 3-wire Communication
SCK
tISU
tR
tF
80%
20%
tIHO
80%
20%
Input data
80%
20%
tR, tF
80%
20%
Figure 11 Timing Diagram 2 during 3-wire Communication
tSCK
tSCK
SCK 50%
20%
Output data
tACC
80%
20%
50%
50%
80%
20%
Figure 12 Timing Diagram 3 during 3-wire Communication
8
Seiko Instruments Inc.