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CXP-85232A View Datasheet(PDF) - Sony Semiconductor

Part NameDescriptionManufacturer
CXP-85232A CMOS 8-bit Single-chip Microcomputer Sony
Sony Semiconductor Sony
CXP-85232A Datasheet PDF : 20 Pages
First Prev 11 12 13 14 15 16 17 18 19 20
CXP85112B/85116B, CXP85220A/85224A/85228A/85232A
(3) Interruption, reset input (Ta = –20 to +75°C, VDD = 4.5 to 5.5V, Vss = 0V reference)
Item
Symbol Pins Conditions Min. Max. Unit
External interruption High and tIH
Low level widths
tIL
INT0 to
INT2
1
µs
Reset input Low level width tRSL RST
8/fc
µs
INT0 to INT2
(Falling edge)
tIH
0.8VDD
tIL
0.2VDD
Fig. 5. Interruption input timing
tRSL
RST
0.2VDD
Fig. 6. RST input timing
(4) Power on reset
Power on reset
(Ta = –20 to +75°C, VDD = 4.5 to 5.5V, Vss = 0V reference)
Item
Symbol Pins
Conditions
Min. Max. Unit
Power supply rise time
Power supply cut-off time
tR
Power-on reset
VDD
0.05
tOFF
Repetitive power-on reset 1
Specifies only when the power-on reset function has been selected.
50 ms
ms
VDD
4.5V
0.2V
0.2V
tR
tOFF
The power supply should be raised smoothly.
Fig. 7. Power-on reset
– 14 –
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