參數(shù)資料
型號： 7548
廠商： Renesas Technology Corp.
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機
文件頁數(shù)： 66/73頁
文件大?。?/td> 1255K
代理商： 7548
Rev.2.00
REJ03B0210-0200
Mar 15, 2007
Page 66 of 70
7548 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Timing Requirements
Timing requirements (1)
(V
CC
= 4.0 to 5.5 V, V
SS
= 0 V, Ta =
20 to 85
°
C, unless otherwise noted)
NOTES:
1. As for CAP
0
, it is the value when noise filter is not used.
2. In this time, bit 6 of the serial I/O control register (address 001A
16
) is set to “1” (clock synchronous serial I/O is selected).
When bit 6 of the serial I/O control register is “0” (clock asynchronous serial I/O is selected), the rating values are divided by 4.
Timing requirements (2)
(V
CC
= 2.4 to 5.5 V, V
SS
= 0 V, Ta =
20 to 85
°
C, unless otherwise noted)
NOTES:
1. As for CAP
0
, it is the value when noise filter is not used.
2. In this time, bit 6 of the serial I/O control register (address 001A
16
) is set to “1” (clock synchronous serial I/O is selected).
When bit 6 of the serial I/O control register is “0” (clock asynchronous serial I/O is selected), the rating values are divided by 4.
Reset input “L” pulse width
External clock input cycle time
External clock input “H” pulse width
External clock input “L” pulse width
INT
0
, INT
1
, CAP
0
input “H” pulse width (Note 1)
INT
0
, INT
1
, CAP
0
input “L” pulse width (Note 1)
Serial I/O clock input cycle time (Note 2)
Serial I/O clock input “H” pulse width (Note 2)
Serial I/O clock input “L” pulse width (Note 2)
Serial I/O input set up time
Serial I/O input hold time
Symbol
Parameter
Limits
Unit
Min.
2
125
50
50
80
80
800
370
370
220
100
Typ.
μ
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Max.
______
t
W
(RESET)
t
C
(X
IN
)
t
WH
(X
IN
)
t
WL
(X
IN
)
t
WH
(INT
0
)
t
WL
(INT
0
)
t
C
(S
CLK
)
t
WH
(S
CLK
)
t
WL
(S
CLK
)
t
su
(R
X
D-S
CLK
)
t
h
(S
CLK
-R
X
D)
Reset input “L” pulse width
External clock input cycle time
External clock input “H” pulse width
External clock input “L” pulse width
INT
0
, INT
1
, CAP
0
input “H” pulse width (Note 1)
INT
0
, INT
1
, CAP
0
input “L” pulse width (Note 1)
Serial I/O clock input cycle time (Note 2)
Serial I/O clock input “H” pulse width (Note 2)
Serial I/O clock input “L” pulse width (Note 2)
Serial I/O input set up time
Serial I/O input hold time
Symbol
Parameter
Limits
Unit
Min.
2
250
100
100
230
230
2000
950
950
400
200
Typ.
μ
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Max.
______
t
W
(RESET)
t
C
(X
IN
)
t
WH
(X
IN
)
t
WL
(X
IN
)
t
WH
(INT
0
)
t
WL
(INT
0
)
t
C
(S
CLK
)
t
WH
(S
CLK
)
t
WL
(S
CLK
)
t
su
(R
X
D-S
CLK
)
t
h
(S
CLK
-R
X
D)
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PDF描述
7549 SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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75HQ030 SCHOTTKY RECTIFIER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
7548_07 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Standard Characteristics
7548_0710 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
75481-001 功能描述:集管和線殼 BACKPANEL PINS RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點類型:Pin (Male) 節(jié)距:1 mm 位置/觸點數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點材料:Brass 觸點電鍍:Gold 制造商:Hirose Connector
75481-002 功能描述:集管和線殼 BERGPIN - WITH LARGE STA-R RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點類型:Pin (Male) 節(jié)距:1 mm 位置/觸點數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點材料:Brass 觸點電鍍:Gold 制造商:Hirose Connector
75481-004 功能描述:集管和線殼 BERGPIN RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點類型:Pin (Male) 節(jié)距:1 mm 位置/觸點數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點材料:Brass 觸點電鍍:Gold 制造商:Hirose Connector
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