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參數(shù)資料
| 型號： | 73K302L |
| 廠商： | TDK Corporation |
| 英文描述： | Single-Chip Modem |
| 中文描述： | 單芯片調(diào)制解調(diào)器 |
| 文件頁數(shù)： | 10/29頁 |
| 文件大?。?/td> | 282K |
| 代理商： | 73K302L |
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73K302L
Bell 212A, 103, 202
Single-Chip Modem
10
CONTROL REGISTER 0
(continued)
D7
D6
D5
D4
D3
D2
D1
D0
CR0
000
MODUL.
OPTION
0
TRANSMIT
MODE 3
TRANSMIT
MODE 2
TRANSMIT
MODE 1
TRANSMIT
MODE 0
TRANSMIT
ENABLE
ANSWER/
ORIGINATE
BIT NO.
NAME
CONDITION
DESCRIPTION
D6
0
Not used; must be written as a “0.”
D7
D5
D4
X
0
X
Selects:
DPSK asynchronous mode at 1200 bit/s.
0
1
1
FSK Bell 103 mode.
D7
Modulation
Option
1
1
1
FSK Bell 202 mode.
CONTROL REGISTER 1
D7
D6
D5
D4
D3
D2
D1
D0
CR1
001
TRANSMIT
PATTERN
1
TRANSMIT
PATTERN
0
ENABLE
DETECT
INTER.
BYPASS
SCRAMB/
ADD
PH. EQ.
CLK
CONTROL
RESET
TEST
MODE
1
TEST
MODE
0
BIT NO.
NAME
CONDITION
DESCRIPTION
D1
D0
0
0
Selects normal operating mode.
0
1
Analog loopback mode. Loops the transmitted analog
signal back to the receiver, and causes the receiver to
use the same center frequency as the transmitter. To
squelch the TXA pin, transmit enable must be forced low.
Not supported in FDX202 mode.
1
0
Selects remote digital loopback. Received data is looped
back to transmit data internally, and RXD is forced to a
mark. Data on TXD is ignored.
D1, D0
Test Mode
1
1
Selects local digital loopback. Internally loops TXD back
to RXD and continues to transmit carrier from TXA pin.
0
Selects normal operation.
D2
Reset
1
Resets modem to power down state. All control
register bits (CR0, CR1, Tone) are reset to zero. The
output of the CLK pin will be set to the crystal frequency.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 73K302L-IH | Single-Chip Modem |
| 73K302L-IP | Single-Chip Modem |
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| 74ALVCH2245MTC | 3-Line To 8-Line Decoders/Demultiplexers 16-SOIC -40 to 85 |
| 74ALVCH2245WM | 3-Line To 8-Line Decoders/Demultiplexers 16-SOIC -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 73K302L-IH | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:Single-Chip Modem |
| 73K302L-IP | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:Single-Chip Modem |
| 73K321L | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:CCITT V.23, V.21 Single-Chip Modem |
| 73K321L-IH | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:CCITT V.23, V.21 Single-Chip Modem |
| 73K321L-IP | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:CCITT V.23, V.21 Single-Chip Modem |
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