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參數(shù)資料
| 型號： | 73K302L-IH |
| 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)： | 12/29頁 |
| 文件大?。?/td> | 282K |
| 代理商： | 73K302L-IH |
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73K302L
Bell 212A, 103, 202
Single-Chip Modem
12
DETECT REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
DR
010
X
X
RECEIVE
DATA
UNSCR.
MARK
CARR.
DETECT
SPECIAL
TONE
CALL
PROG.
LONG
LOOP
BIT NO.
NAME
CONDITION
DESCRIPTION
0
Indicates normal received signal.
D0
Long Loop
1
Indicates low received signal level.
0
No call progress tone detected.
D1
Call Progress
Detect
1
Indicates presence of call progress tones. The call
progress detection circuitry is activated by energy in the
normal 350 to 620 Hz call progress band.
0
No special tone detected as programmed by CR0 bit D0
and Tone Register bit D0.
Special tone detected. The detected tone is:
(1) 2225 Hz answer tone if D0 of TR=0 and the device is
in Bell 103 or 212A originate mode.
(2) Soft carrier turn-off tone if D0 of TR=0 and the device
is in Bell 202 answer mode.
(3) An FSK mark in the mode the device is set to receive
if D0 of TR is set to 1.
D2
Special Tone
Detect
1
Tolerance on special tones is ±3%.
0
No carrier detected in the receive channel.
D3
Carrier
Detect
1
Indicated carrier has been detected in the received
channel.
0
No unscrambled mark.
D4
Unscrambled
Mark Detect
1
(DPSK only) Indicates detection of unscrambled marks in
the received data. A valid indication requires that
unscrambled marks be received for > 165.5 ±6.5 ms.
D5
Receive Data
Continuously outputs the received data stream. This data
is the same as that output on the RXD pin, but it is not
disabled when RXD is tri-stated.
D6, D7
Not Used
Undefined
Mask in software
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| 73K302L-IP | Single-Chip Modem |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| 73K322L | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:CCITT V.23, V.22, V.21 Single-Chip Modem |
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