cxp81952 Sony Electronics, cxp81952 Datasheet - Page 24

• Manufacturer Part Number: cxp81952
• Description: Cmos 8-bit Single Chip Microcomputer
• Manufacturer: Sony Electronics

Fig. 10. Other timings
(5) Interruption, reset input
Fig. 8. Interruption input timing
Fig. 9. Reset input timing
(6) Others
Note)
External interruption
high and low level widths
Reset input low level width
EXI input
high and low level widths
INT0
INT1
INT2
NMI
PJ0 to PJ7
(During standby release input)
(Falling edge)
t
upper 2 bits (CPU clock selection).
t
t
sys indicates three values according to the contents of the clock control register (address; 00FE
sys [ns] = 2000/fc (Upper 2 bits = "00"), 4000/fc (Upper 2 bits = "01"), 16000/fc (Upper 2 bits = "11")
FRC
EXI0
EXI1
Item
= 1000/fc [ns]
RST
Item
t
t
Symbol
0.8V
EIH
EIL
Symbol
t
t
t
DD
IH
IL
RSL
0.2V
EXI0
EXI1
Pins
INT0
INT1
INT2
NMI
PJ0 to PJ7
RST
DD
(Ta = –20 to +75°C, V
t
IH
Pins
t
EIH
0.8V
t
sys = 2000/fc
– 24 –
DD
Conditions
Conditions
t
RSL
(Ta = –20 to +75°C, V
DD
= 3.0 to 5.5V, Vss = 0V)
32/fc
Min.
1
t
IL
t
t
FRC
EIL
Max.
8 + 200 +
Min.
DD
0.2V
Unit
= 3.0 to 5.5V, Vss = 0V)
µs
µs
DD
0.2V
t
sys
DD
CXP81952/81960
Max.
Unit
ns
H
)