s-35192a Seiko Instruments Inc., s-35192a Datasheet - Page 18

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

18
3-WIRE REAL-TIME CLOCK
S-35192A
Register Status After Initialization
The status of each register after initialization is as follows.
Real-time data register :
Status register 1 :
Status register 2 :
INT register 1 :
INT register 2 :
Clock correction register :
Free register :
SCK
SIO
CS
X
0
Fixed code +
1
command
Write to status register 1
1
0
0
Figure 20 Status Register 1 Data At Initialization
Write “1” to reset flag
0
0 0
00 (Y), 01 (M), 01 (D), 0 (day of the week), 00 (H), 00 (M), 00 (S)
“0 B6 B5 B4 0 0 0 0 b”
(In B6, B5, B4, the data of B6, B5, B6 in the status register 1 at initialization is set.
Refer to Figure 20 .)
“00h”
“00h”
“00h”
“00h”
“00h”
B7
and SC0.
1
0
B5
1
Seiko Instruments Inc.
0
0
0
0
0
0
Fixed code +
1
Read from status register 1
command
1
0
0
0
0 1
0
0
B5 : Not reset
1
0
0
0
0
0
Rev.1.2
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