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CXP87452 데이터시트(PDF) 25 Page - Sony Corporation

부품명 CXP87452
상세설명  CMOS 8-bit Single Chip Microcomputer
PDF  32 Pages
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제조업체  SONY [Sony Corporation]
홈페이지  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXP87452 데이터시트(HTML) 25 Page - Sony Corporation

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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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