參數(shù)資料
型號(hào): CXP81724A
廠商: Sony Corporation
英文描述: CMOS 8-bit Single Chip Microcomputer
中文描述: 的CMOS 8位單片機(jī)
文件頁(yè)數(shù): 20/23頁(yè)
文件大?。?/td> 515K
代理商: CXP81724A
– 20 –
CXP81720A/81724A
External interruption
high and low level widths
Reset input low level width
INT0
INT1
INT2
NMI
PJ0 to PJ7
RST
1
32/fc
μs
μs
Item
Symbol
Pin
Condition
Min.
Max.
Unit
t
IH
t
IL
t
RSL
(4) Interruption, reset input
(Ta = –20 to +75°C, V
DD
= 4.5 to 5.5V, Vss = 0V)
0.2V
DD
0.8V
DD
t
IH
t
IL
INT0
INT1
INT2
NMI
PJ0 to PJ7
(During standby release input)
(Falling edge)
Fig. 7. Interruption input timing
t
RSL
0.2V
DD
RST
Fig. 8. Reset input timing
Note)
t
sys indicates three values according to the contents of the clock control register (address; 00FE
H
)
upper 2 bits (CPU clock selection).
t
sys [ns] = 2000/fc (Upper 2-bit = "00"), 4000/fc (Upper 2-bit = "01"), 16000/fc (Upper 2-bit = "11")
t
FRC
[ns] = 1000/fc
(5) Others
(Ta = –20 to +75°C, V
DD
= 4.5 to 5.5V, Vss = 0V)
Item
EXI input high
and low level width
t
EIH
t
EIL
EXI0
EXI1
ns
Symbol
Pin
Min.
t
sys + 200
Max.
Unit
t
sys = 2000/fc
Condition
0.8V
DD
EXI0
EXI1
t
EIH
t
EIL
0.2V
DD
Fig. 9. Other timings
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