s-35190a Seiko Instruments Inc., s-35190a Datasheet - Page 19

• Manufacturer Part Number: s-35190a
• Description: 3-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

Rev.2.4
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 :
_00
SCK
SIO
CS
Fixed code + command
X
0
1
Write to status register 1
1
0
Write “1” to reset flag and
0
Figure 23 Status Register 1 Data at Initialization
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 23 .)
“00h”
“00h”
“00h”
“00h”
“00h”
B7
1
SC0.
0
B5
1
Seiko Instruments Inc.
0
0
0
0
0
Fixed code + command
0
1
Read from status register 1
1
0
0
0
0 1
3-WIRE REAL-TIME CLOCK
0
0
B5 : Not reset
1
0
0
0
0
0
S-35190A
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