s-35199a01 Seiko Instruments Inc., s-35199a01 Datasheet - Page 39

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

Rev.1.0
(5) Clock correction register access
(6) Free register access
During reading: Output mode switching
During reading: Output mode switching
_00
SCK
SCK
SIO
SIO
CS
CS
Figure 46 Clock Correction Register Access
X
X
0
0
Figure 47 Free Register Access
1
1
1
1
command
command
Code +
Code +
1
1
Seiko Instruments Inc.
0
0
1
1
1
1
1
0
8
8
B7
B7
R / W
R / W
Free register data
Clock correction
data
16
16
B0
B0
3-WIRE REAL-TIME CLOCK
During reading:
Input mode switching
During reading:
Input mode switching
S-35199A01
39