Backup And Recovery; Connection With Typical Microcontroller - Epson RX-8581JE Applications Manual

RX - 8581 SA JE
/

8.7. Backup and Recovery

V
DD
V
CLK
0 V
Item
Power supply drop time
Initial power-up time
Clock maintenance power-up time

8.8. Connection with Typical Microcontroller

V
DD
NB
/
t t
R1 F
Symbol
t
F
t
R1
t
R2
V
DD
SCL
RX - 8581
SLAVE ADRS = 1010 001
SDA
GND
V
DD
SCL
Device
I 2 C-BUS
SDA
GND
t
R2
Back up
Min. Typ.
2 s /V
1 s /V
1 s /V
SCL
I 2 C-BUS
master
SDA
Pull up resistor
t
r
R =
C
BUS
Page - 25
Max.
10 ms /V
MQ372-02