s-35399a02 Seiko Instruments Inc., s-35399a02 Datasheet - Page 5

• Manufacturer Part Number: s-35399a02
• Description: 2-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

Rev.1.0
Block Diagram
XOUT
VDD
XIN
_00
Clock correction
FOUT setting
FOUT setting
timing generator
Free register
Oscillator
up counter
register 2
register 1
register 1
register 2
register
supply voltage
voltage circuit
binary
Status
Status
24-bit
Divider,
Low power
Constant-
detector
Power-on
detector
Seiko Instruments Inc.
Second Minute Hour Day of
INT2 register
INT1 register
Shift register
Figure 8
Real-time data register
INT1 controller
INT2 controller
Comparator 1
week
Comparator 2
Alarm expansion
Alarm expansion
Day
register 2
register 1
32.768 kHz controller
interface
2-WIRE REAL-TIME CLOCK
Month Year
Serial
S-35399A02
FOUT
INT1
INT2
F32K
VDDL
CTRL
SDA
SCL
VSS
5