參數(shù)資料
型號(hào): μPD780022Y
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 45/66頁
文件大?。?/td> 453K
代理商: ΜPD780022Y
μ
PD780021Y, 780022Y, 780023Y, 780024Y
Preliminary Data Sheet
45
(3) Serial Interface (T
A
= –40 to +85
°
C, V
DD
= 1.8 to 5.5 V)
(a) 3-wire serial I/O mode (SCK30... Internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK30 cycle time
t
KCY1
4.5 V
V
DD
5.5 V
954
ns
2.7 V
V
DD
< 4.5 V
1600
ns
3200
ns
SCK30 high-/low-level
width
t
KH1
, t
KL1
V
DD
= 4.5 to 5.5 V
t
KCY1
/2 – 50
ns
t
KCY1
/2 – 100
ns
SI30 setup time
(to SCK30
)
t
SIK1
4.5 V
V
DD
5.5V
100
ns
2.7 V
V
DD
< 4.5V
150
ns
300
ns
SI30 hold time
(from SCK30
)
t
KSI1
400
ns
SO30
output dealy time t
KSO1
from SCK30
C = 100 pF
Note
300
ns
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK30 cycle time
t
KCY2
4.5 V
V
DD
5.5 V
800
ns
2.7 V
V
DD
< 4.5 V
1600
ns
3200
ns
SCK30 high-/low-level
width
t
KH2
, t
KL2
4.5 V
V
DD
5.5 V
400
ns
2.7 V
V
DD
< 4.5 V
800
ns
1600
ns
SI30 setup time
(to SCK30
)
t
SIK2
100
ns
SI30 hold time
(from SCK30
)
t
KSI2
400
ns
SO30 output dealy time t
KSO2
from SCK30
C = 100 pF
Note
300
ns
SCK30 rise, fall time
t
R2
, t
F2
When using external device
expansion function
160
ns
When not using When using
external device 16-bit timer
expansion
function
700
ns
expansion
function
When not
using 16-bit
timer
expansion
function
1000
ns
Note
C is the load capacitance of the SO30 output line.
Note
C is the load capacitance of the SCK30 and SO30 output lines.
(b) 3-wire serial I/O mode (SCK30... External clock input)
相關(guān)PDF資料
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μPD780024Y 8 Bit Single Chip Microcontrollers(8位單片微控制器)
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