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參數(shù)資料
| 型號(hào)： | 73K212AL |
| 廠(chǎng)商： | TDK Corporation |
| 英文描述： | V.22, V.21, Bell 212A, Bell 103 Single-Chip Modem with Integrated Hybrid |
| 中文描述： | .22，.21，貝爾212A章，貝爾103單芯片調(diào)制解調(diào)器集成混合 |
| 文件頁(yè)數(shù)： | 12/26頁(yè) |
| 文件大小： | 286K |
| 代理商： | 73K212AL |
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73K222BL
V.22, V.21, Bell 212A, Bell 103
Single-Chip Modem with Integrated Hybrid
12
DETECT REGISTER
(continued)
D7
D6
D5
D4
D3
D2
D1
D0
DR
010
X
X
RECEIVE
DATA
UNSCR.
MARK
CARR.
DETECT
ANSWER
TONE
CALL
PROG.
LONG
LOOP
BIT NO.
NAME
CONDITION
DESCRIPTION
0
1
No answer tone detected.
Indicates detection of 2225 Hz answer tone in Bell
modes or 2100 Hz in CCITT modes. The device must
be in originate mode for detection of answer tone. For
CCITT answer tone detection, bit D0 of the Tone
Register must be set to a 1.
No carrier detected in the receive channel.
Indicates carrier has been detected in the receive
channel.
No unscrambled mark.
Indicates detection of unscrambled marks in the
received data. A valid indication requires that
unscrambled marks be received for > 165.5 ± 6.5 ms.
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.
Not used. Mask in software.
D2
Answer Tone
Detect
0
1
D3
Carrier Detect
0
1
D4
Unscrambled
Mark Detect
D5
ReceiveData
D6, D7
Not Used
Undefined
TONE REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
TR
011
RXD
OUTPUT
CONTR.
TRANSMIT
GUARD
TONE
NAME
TRANSMIT
ANSWER
TONE
CONDITION
TRANSMIT
DTMF
DTMF 3
DTMF 2
DTMF 1/
OVER-
SPEED
DTMF 0/
ANSWER/
GUARD
BIT NO.
DESCRIPTION
D6 D5 D4 D0
D0 interacts with bits D6, D5, and D4 as shown.
X
X
1
X
Transmit DTMF tones.
X
0
0
0
Detects 2225 Hz in originate mode.
X
1
0
0
Transmits 2225 Hz in answer mode (Bell).
X
0
0
1
Detects 2100 Hz in originate mode.
X
1
0
1
Transmits 2100 Hz in answer mode (CCITT).
1
0
0
0
Select 1800 Hz guard tone.
D0
DTMF 0/
Answer/
Guard Tone
1
0
0
1
Select 550 Hz guard tone.
D1 interacts with D4 as shown.
Asynchronous DPSK +1.0% -2.5%.
D4 D1
0
0
D1
DTMF 1/
Overspeed
0
1
Asynchronous DPSK +2.3% -2.5%.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 73K221AL | V.22, V.21, Bell 212A, Bell 103 Single-Chip Modem with Integrated Hybrid |
| 73K222AL | V.22, V.21, Bell 212A, 103 Single-Chip Modem |
| 73K222AL-IGT | V.22, V.21, Bell 212A, 103 Single-Chip Modem |
| 73K222AL-IH | V.22, V.21, Bell 212A, 103 Single-Chip Modem |
| 73K222AL-IP | V.22, V.21, Bell 212A, 103 Single-Chip Modem |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 73K212-IP | 制造商:Silicon Systems Inc 功能描述:1.2 kbps DATA, MODEM, PQCC28 |
| 73K212L-IP | 制造商: 功能描述:73K212L-IP |
| 73K221AL | 制造商:TDK 制造商全稱(chēng):TDK Electronics 功能描述:V.22, V.21, Bell 212A, Bell 103 Single-Chip Modem with Integrated Hybrid |
| 73K222AL | 制造商:TERIDIAN 制造商全稱(chēng):TERIDIAN 功能描述:Single-Chip Modem |
| 73K222AL-IGT | 制造商:TDK 制造商全稱(chēng):TDK Electronics 功能描述:V.22, V.21, Bell 212A, 103 Single-Chip Modem |
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