參數(shù)資料
型號: UPD178P018AGC
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 31/60頁
文件大?。?/td> 325K
代理商: UPD178P018AGC
31
μ
PD178P018A
(v) 2-wire serial I/O mode (SCK0 ... internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY5
R = 1 k
1 600
ns
SCK0 high-level width
t
KH5
C = 100 pF
Note
t
KCY5
/2 – 160
ns
SCK0 low-level width
t
KL5
4.5 V
V
DD
5.5 V
t
KCY5
/2 – 50
ns
3.5 V
V
DD
< 4.5 V
t
KCY5
/2 – 100
ns
SB0, SB1 setup time (to SCK0
)
t
SIK5
4.5 V
V
DD
5.5 V
300
ns
3.5 V
V
DD
< 4.5 V
350
ns
400
ns
SB0, SB1 hold time (from SCK0
)
t
KSI5
600
ns
SB0, SB1 output delay time from
SCK0
t
KSO5
0
300
ns
Note
R and C are the load resistance and load capacitance of the SCK0, SB0, and SB1 output lines.
(vi) 2-wire serial I/O mode (SCK0 ... external clock input)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK0 cycle time
t
KCY6
1 600
ns
SCK0 high-level width
t
KH6
650
ns
SCK0 low-level width
t
KL6
800
ns
SB0, SB1 setup time (to SCK0
)
t
SIK6
100
ns
SB0, SB1 hold time (from SCK0
)
t
KSI6
t
KCY6
/2
ns
SB0, SB1 output delay time from
t
KSO6
R = 1 k
4.5 V
V
DD
5.5 V
0
300
ns
SCK0
C = 100 pF
Note
3.5 V
V
DD
< 4.5 V
0
500
ns
SCK0 at rising or falling edge time
t
R6
, t
F6
1 000
ns
Note
R and C are the load resistance and load capacitance of the SB0 and SB1 output lines.
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