s-35192a Seiko Instruments Inc., s-35192a Datasheet - Page 4

• Manufacturer Part Number: s-35192a
• Description: 3-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

4
3-WIRE REAL-TIME CLOCK
S-35192A
XOUT
VDD
VSS
Block Diagram
XIN
Clock correction register
Oscillator
Status register 1
Status register 2
Low power supply
Constant-voltage
Free register
voltage detector
Power-on
detector
circuit
timing generator
Divider,
Seiko Instruments Inc.
Second
Shift register
Figure 6
INT register 1
INT register 2
Minute Hour
Comparator 2
Comparator 1
the week
Day of
Real-time data register
Day Month Year
controller 1
controller 2
interface
Serial
INT
INT
Rev.1.2
32KO
CS
SCK
SIO
_00