s-35199a01 Seiko Instruments Inc., s-35199a01 Datasheet - Page 41

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

3-WIRE REAL-TIME CLOCK
Rev.1.0
S-35199A01
_00
Alarm expansion register 1 access and alarm expansion register 2 access
(9)
Write in the alarm expansion register 1 (alarm expansion register 2) after setting the status register 2.
CS
8
24
32
16
1
SCK
R / W
*1
X
0
1
1
1
1
0
SIO
B7
B7
B7
B0
B0
B0
Code +
Month data
Day data
Year data
command
During reading: Output mode switching
During reading:
Input mode switching
*1. 0 : Alarm expansion register 1 access
1 : Alarm expansion register 2 access
Figure 50 Alarm Expansion Register 1 Access and Alarm Expansion Register 2 Access
Seiko Instruments Inc.
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