s-35192a Seiko Instruments Inc., s-35192a Datasheet - Page 26

• Manufacturer Part Number: s-35192a
• Description: 3-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

26
3-WIRE REAL-TIME CLOCK
S-35192A
(2) Real-time data 2 access
(3) Status register 1 access and status register 2 access
*1. 0 : Status register 1 selected
During reading: Output mode switching
SCK
1 : Status register 2 selected
SIO
CS
X
0
Fixed code +
1
Figure 27 Status Register 1 Access and Status Register 2 Access
1
command
1
SCK
SIO
0
CS
0
1
1
8
X
B7
Figure 26 Real-Time Data 2 Access
R / W
Hour data
0
Fixed code +
1
1
command
1
During reading: Output mode switching
Seiko Instruments Inc.
0
*1
0
B0
0
16
B7
Minute data
8
B7
R / W
Status data
B0
24
B7
16
Second data
B0
32
B0
During reading:
Input mode switching
During reading:
Input mode switching
Rev.1.2
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