S-35390A Datasheet, PDF (34/54 Pages) Seiko Instruments Inc – 2-WIRE REAL-TIME CLOCK

2-WIRE REAL-TIME CLOCK
S-35390A
(5) Clock correction register access
1
9
18
SCL
SDA
R/W
0 110110
Device code +
command
I/O mode switching
B7
B0
Clock
correction data
I/O mode switching
*1. Set NO_ACK = 1 in Read.
Figure 43 Clock Correction Register Access
(6) Free register access
1
9
18
SCL
SDA
R/W
0 110111
Device code +
command
I/O mode switching
B7
B0
Free register
data
I/O mode switching
*1. Set NO_ACK = 1 in Read.
Figure 44 Free Register Access
Rev.2.4_00
34
Seiko Instruments Inc.