S-35390A-I8T1G Seiko Instruments, S-35390A-I8T1G Datasheet - Page 34

• Manufacturer Part Number: S-35390A-I8T1G
• Description: IC REAL TIME CLOCK 2WIRE SNT-8A
• Manufacturer: Seiko Instruments
• Type: Clock/Calendarr

Specifications of S-35390A-I8T1G

• 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: SNT-8A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Other names: 728-1059-2; S-35390A-I8T1G

34
2-WIRE REAL-TIME CLOCK
S-35390A
(5) Clock correction register access
(6) Free register access
*1. Set NO_ACK = 1 in Read.
*1. Set NO_ACK = 1 in Read.
SCL
SDA
SCL
SDA
I/O mode switching
I/O mode switching
Figure 43 Clock Correction Register Access
0
0
Device code +
Device code +
1
1
1
1
Figure 44 Free Register Access
command
command
1
1
0
0
Seiko Instruments Inc.
1
1
1
1
0
1
R/W
R/W
9
Clock
correction data
9
B7
B7
Free register
data
I/O mode switching
B0
B0
I/O mode switching
18
18
Rev.3.0
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