S-35190A Datasheet, PDF (19/53 Pages) Seiko Instruments Inc – 3-WIRE REAL-TIME CLOCK

Rev.2.4_00
3-WIRE REAL-TIME CLOCK
S-35190A
„ 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 (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”
Write to status register 1
CS
Read from status register 1
SCK
SIO
X 0 11 0 0 0 00 10 1 0 0 00 0
0 11 0 0 0 0 1 0 0 ₁ 0 0 0 00
Fixed code + command
B7 B5
Write “1” to reset flag and
SC0.
Fixed code + command _{B5 : Not reset}
Figure 23 Status Register 1 Data at Initialization
Seiko Instruments Inc.
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