參數(shù)資料
型號: UPD780018AY
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): 45/58頁
文件大?。?/td> 552K
代理商: UPD780018AY
45
μ
PD78044H, 78045H, 78046H
(2) Serial interface channel 1 (T
A
= –40 to +85
°
C, V
DD
= 2.7 to 5.5 V)
(a) Three-wire serial I/O mode (SCK1: Internal clock output)
Note
C is a load capacitance of the SCK1 or SO1 output line.
(b) Three-wire serial I/O mode (SCK1: External clock input)
Note
C is a load capacitance of the SO1 output line.
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY1
V
DD
= 4.5 to 5.5 V
800
ns
3200
ns
SCK1 high, low-level width
t
KH1
V
DD
= 4.5 to 5.5 V
t
KCY1
/2
50
ns
t
KL1
t
KCY1
/2
150
ns
SI1 setup time to SCK1
t
SIK1
100
ns
SI1 hold time from SCK1
t
KSI1
400
ns
SCK1
↓→
SO1 output delay
time
t
KSO1
C = 100 pF
Note
V
DD
= 4.5 to 5.5 V
300
ns
1000
ns
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY2
V
DD
= 4.5 to 5.5 V
800
ns
3200
ns
SCK1 high, low-level width
t
KH2
V
DD
= 4.5 to 5.5 V
400
ns
t
KL2
1600
ns
SI1 setup time to SCK1
t
SIK2
V
DD
= 4.5 to 5.5 V
100
ns
SI1 hold time from SCK1
t
KSI2
400
ns
SCK1
↓→
SO1 output delay
time
t
KSO2
C = 100 pF
Note
V
DD
= 4.5 to 5.5 V
300
ns
1000
ns
SCK1 rise time and fall time
t
R2
t
F2
160
ns
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