S-35199A01 Datasheet, PDF (40/54 Pages) Seiko Instruments Inc – 3-WIRE REAL-TIME CLOCK

3-WIRE REAL-TIME CLOCK
S-35199A01
Rev.1.0_00
(7) Up counter access
Access to the up counter is Read-only. Users cannot Write in this counter with Write operation.
CS
1
8
16
24
32
SCK
SIO
Read Only
X 0 1110 00 1
Code +
command
B7
B0
Count data
Output mode switching
B7
B0
Count data
Input mode switching
Figure 48 Up Counter Access
(8) FOUT setting register 1 access and FOUT setting register 2 access
CS
1
8
16
SCK
SIO
*1
X 01110ab
R/W
Code +
command
B7
B0
FOUT setting data
*1 To select register, use the following settings.
a
b
Register to select
0
1
FOUT setting register 1
1
0
FOUT setting register 2
Figure 49 FOUT Setting Register 1 Access and FOUT Setting Register 2 Access
40
Seiko Instruments Inc.