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參數(shù)資料
| 型號： | 73K212AL |
| 廠商： | 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 |
| 文件頁數(shù)： | 11/26頁 |
| 文件大?。?/td> | 286K |
| 代理商： | 73K212AL |
73K222BL
V.22, V.21, Bell 212A, Bell 103
Single-Chip Modem with Integrated Hybrid
11
CONTROL REGISTER 1
(continued)
D7
D6
D5
D4
D3
D2
D1
D0
CR1
001
TRANSMIT
PATTERN
1
TRANSMIT
PATTERN
0
ENABLE
DETECT
INTER.
BYPASS
SCRAMB.
CLK
CONTROL
RESET
TEST
MODE
1
TEST
MODE
0
BIT NO.
NAME
CONDITION
DESCRIPTION
D4
Bypass
Scrambler
Enable Detect
0
Selects normal operation. DPSK data is passed
through scrambler.
Selects Scrambler Bypass. Bypass DPSK data is
routed around scrambler in the transmit path.
Disables interrupt at
INT
pin.
Enables
INT
output. An interrupts will be generated
with a change in status of DR bits D1-D4. The answer
tone and call progress detect interrupts are masked
when the TX enable bit is set. Carrier detect is
masked when TX DTMF is activated. All interrupts will
be disabled if the device is in power-down mode.
Selects normal data transmission as controlled by the
state of the TXD pin.
1
0
D5
1
D7
D6
0
0
0
1
Selects an alternating mark/space transmit pattern for
modem testing.
1
0
Selects a constant mark transmit pattern.
D7, D6
Transmit
Pattern
1
1
Selects a constant space transmit pattern.
DETECT REGISTER
D7
X
D6
X
D5
D4
D3
D2
D1
CALL
PROG.
D0
DR
010
RECEIVE
DATA
UNSCR.
MARK
CARR.
DETECT
ANSWER
TONE
LONG
LOOP
BIT NO.
NAME
CONDITION
DESCRIPTION
0
Indicates normal received signal.
D0
Long Loop
1
0
Indicates low received signal level.
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 350 to 620 Hz call progress band.
相關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: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:TERIDIAN 功能描述:Single-Chip Modem |
| 73K222AL-IGT | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:V.22, V.21, Bell 212A, 103 Single-Chip Modem |
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