– 14 –
CXP854P60
External interrupt
high and low level widths
Reset input low level width
INT0 to
INT2
RST
1
8/fc
µs
µs
Item
Symbol
Pin
Condition
Min.
Max.
Unit
t
IH
t
IL
t
RSL
Power supply rise time
Power supply cutt-off time
t
R
t
OFF
V
DD
Power-on reset
Repeated power-on reset
0.05
1
50
ms
ms
Item
Symbol
Pin
Condition
Min.
Max.
Unit
(3) Interrupt, Reset input
(Ta = –10 to +75°C, V
DD
= 4.5 to 5.5V, Vss = 0V)
(4) Power-on reset
Power on reset
(Ta = –10 to +75°C, V
DD
= 4.5 to 5.5V, Vss = 0V)
0.2V
DD
0.8V
DD
t
IH
t
IL
INT0 to INT2
(falling edge)
0.2V
0.2V
4.5V
V
DD
t
R
t
OFF
Take care when turning on power.
Fig. 5. Interrupt input timing
t
RSL
0.2V
DD
RST
Fig. 6. RST input timing
Fig. 7. Power-on reset