S-35392A Datasheet, PDF (18/47 Pages) Seiko Instruments Inc – 2-WIRE REAL-TIME CLOCK

2-WIRE REAL-TIME CLOCK
S-35392A
Rev.1.3_00
„ Register Status After Initialization
The status of each register after initialization is as follows.
Real-time data register :
Status register 1 :
Status register 2 :
INT1 register :
INT2 register :
Clock correction register :
Free register :
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 19.)
“00h”
“00h”
“00h”
“00h”
“00h”
SCL
SDA
Write to status register 1
1
9
18
R/W
0 11 0 0000 1 0 1 0 000 0 0
Read from status register 1
1
9
18
R/W
0 1 1 0 0 0 0 1 L LH LL L LL 0
Device code + command _{B7 B5}
Device code + command _{B7 B5 : Not reset}
Write “1” to reset flag and SC0.
: Output from S-35392A
: Input from master device
Figure 19 Status Register 1 Data at Initialization
18
Seiko Instruments Inc.