s-35199a01 Seiko Instruments Inc., s-35199a01 Datasheet - Page 40

• Manufacturer Part Number: s-35199a01
• Description: 3-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

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