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參數(shù)資料
| 型號(hào)： | MC145446A |
| 廠(chǎng)商： | Motorola, Inc. |
| 英文描述： | Single-Chip 300-Baud Modem with DTMF Transceiver |
| 中文描述： | 單芯片300波特調(diào)制解調(diào)器的雙音多頻收發(fā)器 |
| 文件頁(yè)數(shù)： | 6/14頁(yè) |
| 文件大?。?/td> | 264K |
| 代理商： | MC145446A |
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MC145446A
6
MOTOROLA
Figure 1. Serial Data Input Timing
CONTROL REGISTER
STATUS REGISTER
E*
(NOTE 6)
SCK
DATA
R/W
(LSB CLOCK)
* The enable signal corresponds to preceding data format.
CH
SQ
T3
T2
T1
T0
A3
A2
A1
A0
M3
M2
M1
M0
CD1
CD0
E
SCK
DATA
R/W
1
2
3
NOTES:
1. The data in front of the enable signal pulse will be latched.
2. The latched data will be repeated until there is an enable pulse.
3. The detected data will be updated with the next enable pulse.
4. After the R/W pin becomes INACTIVE, the data will be lost.
5. D1 corresponds to Clock1.
6. The enable and the SCK signals need to be set at the logic low level when the R/W signal changes.
7. The SCK must be held at low level when the enable signal is at high level.
(NOTE 4)
(NOTE 5)
(NOTE 2)
(NOTE 3)
5
(NOTE 1)
5
6
7
8
9
10
11
12
13
14
4
15
16
2
3
4
5
16
1
2
3
4
5
6
7
8
9
10
11
12
13
7
1
1
2
D2
D0
D1
D1
D0
D1
D0
D3
D2
3
0
1
2
1
1
2
(HIGH–IMPEDANCE)
17
18
4
14
15
1
(NOTE 7)
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| MC145446 | Single-Chip 300-Baud Modem with DTMF Transceiver |
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| MC145447 | Calling Line Identification(CLID) Receiver with Ring Detector |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC145446AFW | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC145447DW | 制造商:Motorola Inc 功能描述:CALLER NUMBER ID CIRCUIT, 16 Pin, Plastic, SOP |
| MC145447DWR2 | 制造商:Motorola Inc 功能描述:TELEPHONE MULTIFUNCTION CKT, 16 Pin Plastic SOP |
| MC145447P | 制造商:Motorola Inc 功能描述: |
| MC145475DW | 制造商:Motorola Inc 功能描述:DATACOM, ISDN CONTROLLER, PDSO28 |
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