參數(shù)資料
型號(hào): UPD78F0034AYGB-8EU
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): 36/66頁
文件大小: 565K
代理商: UPD78F0034AYGB-8EU
μ
PD78F0034A, 78F0034AY
36
Data Sheet U14040EJ4V0DS
(3) Serial interface (T
A
=
40 to +85
°
C, V
DD
= 1.8 to 5.5 V)
(a) 3-wire serial I/O mode (SCK3n... internal clock output)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK3n cycle time
t
KCY1
4.0 V
V
DD
5.5 V
954
ns
2.7 V
V
DD
< 4.0 V
1,600
ns
1.8 V
V
DD
< 2.7 V
3,200
ns
SCK3n high-/low-level
width
t
KH1
t
KL1
V
DD
= 4.0 to 5.5 V
t
KCY1
/2
50
ns
V
DD
= 1.8 to 5.5 V
t
KCY1
/2
100
ns
SI3n setup time
(to SCK3n
)
t
SIK1
4.0 V
V
DD
5.5 V
100
ns
2.7 V
V
DD
< 4.0 V
150
ns
1.8 V
V
DD
< 2.7 V
300
ns
SI3n hold time
(from SCK3n
)
t
KSI1
400
ns
Output delay time from
SCK3n
to SO3n
t
KSO1
C = 100 pF
Note
300
ns
Note
C is the load capacitance of the SCK3n and SO3n output lines.
(b) 3-wire serial I/O mode (SCK3n... external clock input)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK3n cycle time
t
KCY2
4.0 V
V
DD
5.5 V
800
ns
2.7 V
V
DD
< 4.0 V
1,600
ns
1.8 V
V
DD
< 2.7 V
3,200
ns
SCK3n high-/low-level
width
t
KH2
t
KL2
4.0 V
V
DD
5.5 V
400
ns
2.7 V
V
DD
< 4.0 V
800
ns
1.8 V
V
DD
< 2.7 V
1,600
ns
SI3n setup time
(to SCK3n
)
t
SIK2
100
ns
SI3n hold time
(from SCK3n
)
t
KSI2
400
ns
Output delay time from
SCK3n
to SO3n
t
KSO2
C = 100 pF
Note
300
ns
Note
C is the load capacitance of the SO3n output line.
Remark
μ
PD78F0034A:
μ
PD78F0034AY: n = 0
n = 0, 1
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