參數(shù)資料
型號: μPD780973(A)
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機微控制器
文件頁數(shù): 37/52頁
文件大小: 315K
代理商: ΜPD780973(A)
37
m
PD780973(A)
(2) Serial Interface (T
A
= –40 to +85 °C, V
DD
= 4.5 to 5.5V)
(a) 3-wire serial I/O mode (SCK ... Internal clock output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK cycle time
t
KCY1
950
ns
SCK high-/low-level width
t
KH1
, t
KL1
t
KCY1
/2–50
ns
SI setup time (to SCK
)
t
SIK1
100
ns
SI hold time (from SCK
)
t
KSI1
400
ns
SO output delay time from SCK
t
KSO1
C = 100 pF
Note
300
ns
Note
C is the load capacitance of SCK and SO output lines.
(b) 3-wire serial I/O mode (SCK ... External clock input)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
SCK cycle time
t
KCY2
800
ns
SCK high-/low-level width
t
KH2
, t
KL2
400
ns
SI setup time (to SCK
)
t
SIK2
100
ns
SI hold time (from SCK
)
t
KSI2
400
ns
SO output delay time from SCK
t
KSO2
C = 100 pF
Note
300
ns
SCK rise, fall time
t
R2
, t
F2
160
ns
Note
C is the load capacitance of SO output line.
(c) UART mode (Dedicated baud rate generator output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Transfer rate
130.9
kbps
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