參數(shù)資料
型號(hào): UPD780232
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(yè)數(shù): 36/52頁(yè)
文件大小: 345K
代理商: UPD780232
36
μ
PD780232
Data Sheet U13415EJ2V0DS
(3) Serial interface (T
A
= –40 to +85
°
C, V
DD
= 4.5 to 5.5 V)
(a) Serial interface (3-wire serial mode)
(i)
3-wire serial mode (SCK1: Internal clock output)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY1
800
ns
SCK1 high-/low-level t
KH1
width
t
KCY1
/2
50
ns
t
KL1
SI1 setup time
(to SCK1
↑)
t
SIK1
100
ns
SI1 hold time
(from SCK1
)
t
KSI1
400
ns
Delay time from SCK1
t
KSO1
to SO1 output
C = 100 pF
Note
300
ns
Note
C is the load capacitance of the SCK1 and SO1 output lines.
(ii) 3-wire serial mode (SCK1: External clock input)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK1 cycle time
t
KCY2
800
ns
SCK1 high-/low-
level width
t
KH2
t
KL2
400
ns
SI1 setup time
(to SCK1
↑)
t
SIK2
100
ns
SI1 hold time
(from SCK1
↑)
t
KSI2
400
ns
Delay time from SCK1
t
KSO2
to SO1 output
C = 100 pF
Note
300
ns
SCK1 rise/fall time
t
R2
t
F2
1
μ
s
Note
C is the load capacitance of the SO1 output line.
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