S-35390A-J8T1G Seiko Instruments, S-35390A-J8T1G Datasheet - Page 18

• Manufacturer Part Number: S-35390A-J8T1G
• Description: IC RTC I2C 2-WIRE 8-SOP
• Manufacturer: Seiko Instruments
• Type: Clock/Calendarr

Specifications of S-35390A-J8T1G

• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Other names: 728-1006-2

18
2-WIRE REAL-TIME CLOCK
S-35390A
Register Status After Initialization
The status of each register after initialization is as follows.
SDA
SCL
Real-time data register :
Status register 1 :
Status register 2 :
INT1 register :
INT2 register :
Clock correction register :
Free register :
Device code +
0
1
command
1
1
Write to status register 1
: Input from master device
0
: Output from S-35390A
0
0
0 0
Figure 21 Data of Status Register 1 at Initialization
Write “1” to reset flag and SC0.
R/W
1
9
B7 B5
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 21.)
“00h”
“00h”
“00h”
“00h”
“00h”
1
0
0
0
Seiko Instruments Inc.
0 0
18
0
0
Device code +
1
1
command
1
Read from status register 1
0
0
0
0 1
R/W
9
B7 B5 : Not reset
L
L
H
L
L
L
L L
18
0
Rev.3.0
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