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| 型号： | 7549 |
| 厂商： | Renesas Technology Corp. |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 单芯片8位CMOS微机 |
| 文件页数： | 66/73页 |
| 文件大小： | 1272K |
| 代理商： | 7549 |
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Rev.2.00
REJ03B0202-0200
Mar 05, 2007
Page 66 of 70
7549 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| 7549_0710 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 7549_09 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 7-5-4905 | 功能描述:3M 4905 VHB TAPE SPECIALTY TAPES 制造商:3m (tc) 系列:VHB?? 4905 零件状态:在售 厚度 - 粘合剂:- 厚度 - 底布，载体:- 标准包装:1 |
| 754905-1 | 功能描述:PIN ATT/ROLL AUTO IV 制造商:te connectivity amp connectors 系列:* 零件状态:有效 标准包装:1 |
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