S-35199A01 Datasheet, PDF (41/54 Pages) Seiko Instruments Inc – 3-WIRE REAL-TIME CLOCK

Rev.1.0_00
3-WIRE REAL-TIME CLOCK
S-35199A01
(9) Alarm expansion register 1 access and alarm expansion register 2 access
Write in the alarm expansion register 1 (alarm expansion register 2) after setting the status register 2.
CS
1
8
16
24
32
SCK
SIO
*1
X 011110
R/W
B7
B0 B7
B0 B7
B0
Code +
command
Year data
Month data
Day data
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.
41