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CXP87452 Scheda tecnica(PDF) 25 Page - Sony Corporation

Il numero della parte CXP87452
Spiegazioni elettronici  CMOS 8-bit Single Chip Microcomputer
PDF  32 Pages
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Produttore elettronici  SONY [Sony Corporation]
Homepage  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXP87452 Scheda tecnica(HTML) 25 Page - Sony Corporation

Back Button CXP87452 Datasheet HTML 21Page - Sony Corporation CXP87452 Datasheet HTML 22Page - Sony Corporation CXP87452 Datasheet HTML 23Page - Sony Corporation CXP87452 Datasheet HTML 24Page - Sony Corporation CXP87452 Datasheet HTML 25Page - Sony Corporation CXP87452 Datasheet HTML 26Page - Sony Corporation CXP87452 Datasheet HTML 27Page - Sony Corporation CXP87452 Datasheet HTML 28Page - Sony Corporation CXP87452 Datasheet HTML 29Page - Sony Corporation Next Button
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– 25 –
CXP87452/87460
External interruption
high and low level widths
Reset input low level width
INT0
INT1
INT2
PJ0 to PJ7
RST
1
32/fc
µs
µs
Item
Symbol
Pin
Condition
Min.
Max.
Unit
tIH
tIL
tRSL
(4) Interruption, reset input
(Ta = –20 to +75°C, VDD = 3.0 to 5.5V, Vss = 0V)
0.2VDD
0.8VDD
tIH
tIL
INT0
INT1
INT2
PJ0 to PJ7
(During standby release input)
(Falling edge)
Fig. 8. Interruption input timing
tRSL
0.2VDD
RST
Fig. 9. Reset input timing
Power supply rising edge
Power supply cut-off time
tR
tOFF
VDD
Power on reset
Repetitive power on reset
0.05
1
30
ms
ms
Item
Symbol Pin
Condition
Min.
Max.
Unit
(5) Power on reset
Power on reset∗
(Ta = –20 to +75°C, VDD = 3.0 to 5.5V, Vss = 0V)
0.2V
0.2V
3.0V
VDD
tR
tOFF
The power supply should rise smoothly.
Fig. 10. Power on reset
∗ Specifies only when power on reset function is selected.



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