S-35390A-I8T1G Seiko Instruments, S-35390A-I8T1G Datasheet - Page 9
![no-image](/images/manufacturer_photos/0/5/590/seiko_instruments_sml.jpg)
S-35390A-I8T1G
Manufacturer Part Number
S-35390A-I8T1G
Description
IC REAL TIME CLOCK 2WIRE SNT-8A
Manufacturer
Seiko Instruments
Type
Clock/Calendarr
Datasheet
1.S-35390A-J8T1G.pdf
(56 pages)
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
S-35390A-I8T1G
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
S-35390A-I8T1G
Manufacturer:
SEIKO/精工
Quantity:
20 000
*1. Write-only flag. The S-35390A initializes by writing “1” in this register.
*2. Scratch bit. A R/W-enabled, user-free register.
*3. Read-only flag. Valid only when using the alarm function. When the alarm time matches, this flag is set to “1”, and it is
*4. Read-only flag. “POC” is set to “1” when power is applied. It is cleared to “0” when Read. Regarding “BLD”, refer to “
*5. Test bit for SII. Be sure to set “0” in use.
*6. No effect by Write. It is “0” when Read.
Rev.3.0
Device
Code
0110
2. Configuration of command
cleared to “0” when Read.
Low Power Supply Voltage Detection Circuit”.
8 types of command are available for the S-35390A, The S-35390A does Read/Write the various registers by inputting
these codes and commands. The S-35390A does not perform any operation with any codes and commands other than
those below.
C2 C1 C0
0
0
0
0
1
1
1
1
_00
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Status register 1 access
Status register 2 access
Real-time data 1 access
(year data to)
Real-time data 2 access
(hour data to)
INT1 register access
(alarm time 1: week/hour/minute)
(INT1AE = 1, INT1ME = 0,
INT1FE = 0)
INT1 register access
(output of user-set frequency)
(INT1ME = 0, INT1FE = 1)
INT2 register access
(alarm time 2: week/hour/minute)
(INT2AE = 1, INT2ME = 0,
INT2FE = 0)
INT2 register access
(output of user-set frequency)
(INT2ME = 0, INT2FE = 1)
Clock correction register access
Free register access
Command
Description
Table 9 List of Command
Seiko Instruments Inc.
RESET
INT1FE INT1ME INT1AE
1 Hz
1 Hz
W1
W1
W1
M1
m1
m1
m1
m1
B7
Y1
D1
H1
H1
H1
H1
V0
F0
s1
s1
*1
12
2 Hz
2 Hz
W2
W2
W2
M2
m2
m2
m2
m2
B6
Y2
D2
H2
H2
H2
H2
V1
F1
s2
s2
/
24
SC0
4 Hz
4 Hz
W4
W4
W4
M4
m4
m4
m4
m4
B5
Y4
D4
H4
H4
H4
H4
V2
F2
s4
s4
*2
SC1
32kE
8 Hz
8 Hz
M8
m8
m8
m8
m8
B4
Y8
D8
H8
H8
H8
H8
V3
−
−
−
F3
s8
s8
2-WIRE REAL-TIME CLOCK
*6
*6
*6
*2
Data
INT2FE INT2ME INT2AE TEST
INT1
16 Hz
16 Hz
M10
m10
m10
m10
m10
D10
H10
H10
H10
H10
Y10
s10
s10
B3
V4
−
−
−
F4
*6
*6
*6
*3
SC2
SC5
INT2
m20
m20
m20
m20
D20
H20
H20
H20
H20
Y20
s20
s20
B2
V5
−
−
−
−
F5
*6
*6
*6
*6
*3
*2
*2
AM
AM
AM
AM
SC3
SC6
BLD
m40
m40
m40
m40
Y40
s40
s40
V6
B1
−
−
−
−
−
F6
S-35390A
/
/
/
/
*6
*6
*6
*6
*6
PM
PM
PM
PM
*4
*2
*2
A1WE
SC4
A2WE
SC7
POC
A1mE
A2mE
A1HE
A2HE
Y80
B0
−
−
−
−
−
−
−
−
−
V7
F7
*6
*6
*6
*6
*6
*6
*6
*6
*6
*4
*2
*2
*5
9