參數(shù)資料
型號: HD404459
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer(4位單片微計算機(jī))
中文描述: 4位HMCS400系列微機(jī)(4位單片微計算機(jī))
文件頁數(shù): 115/120頁
文件大?。?/td> 692K
代理商: HD404459
HD404459 Series
115
Serial Interface Timing Characteristics
HD404458, HD404459: V
CC
= 1.8 to 3.6 V, GND = 0 V, T
a
= –20 to +75
°
C, f
OSC
= 0.4 to 4.0 MHz
HD4074459: V
CC
= 2.2 to 2.7 V, GND = 0 V, T
a
= –5 to +60
°
C, f
OSC
= 0.4 to 2.0 MHz;
V
CC
= 2.7 to 3.6 V, GND = 0 V, T
a
= –20 to +75
°
C, f
OSC
= 0.4 to 4.0 MHz, unless otherwise specified.
During Transmit Clock Output
Item
Symbol
Pin
SCK
Min
Typ
Max
Unit
Test Condition
Note
Transmit clock cycle
time
t
Scyc
1.0
t
cyc
Load shown in figure 93
1
Transmit clock high
width
t
SCKH
SCK
0.4
t
Scyc
Load shown in figure 93
1
Transmit clock low
width
t
SCKL
SCK
0.4
t
Scyc
Load shown in figure 93
1
Transmit clock rise time t
SCKr
Transmit clock fall time
SCK
SCK
200
ns
Load shown in figure 93
1
t
SCKf
t
DSO
200
ns
Load shown in figure 93
1
Serial output data delay
time
SO
500
ns
Load shown in figure 93
1
Serial input data setup
time
t
SSI
SI
300
ns
1
Serial input data hold
time
Note:
1. Refer to figure 92.
t
HSI
SI
300
ns
1
During Transmit Clock Input
Item
Symbol
Pin
SCK
Min
Typ
Max
Unit
Test Condition
Note
Transmit clock cycle
time
t
Scyc
1.0
t
cyc
1
Transmit clock high
width
t
SCKH
SCK
0.4
t
Scyc
1
Transmit clock low
width
t
SCKL
SCK
0.4
t
Scyc
1
Transmit clock rise time t
SCKr
Transmit clock fall time
SCK
SCK
200
ns
1
t
SCKf
t
DSO
200
ns
1
Serial output data delay
time
SO
500
ns
Load shown in figure 93
1
Serial input data setup
time
t
SSI
SI
300
ns
1
Serial input data hold
time
Note:
1. Refer to figure 92.
t
HSI
SI
300
ns
1
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參數(shù)描述
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