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參數(shù)資料
| 型號(hào)： | 73K222AL |
| 廠商： | TDK Corporation |
| 英文描述： | V.22, V.21, Bell 212A, 103 Single-Chip Modem |
| 中文描述： | .22，.21，貝爾212A章，103單芯片調(diào)制解調(diào)器 |
| 文件頁數(shù)： | 11/28頁 |
| 文件大?。?/td> | 160K |
| 代理商： | 73K222AL |
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73K222AL
V.22, V.21, Bell 212A, 103
Single-Chip Modem
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
0
Selects normal operation. DPSK data is passed through
scrambler.
D4
Bypass
Scrambler
1
Selects Scrambler Bypass. Bypass DPSK data is routed
around scrambler in the transmit path.
0
Disables interrupt at
INT
pin.
D5
Enable
Detect
1
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.
D7
D6
0
0
Selects normal data transmission as controlled by the
state of the TXD pin.
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
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
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
350 to 620 Hz call progress band.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| 73K222AU | Single-Chip Modem Modem with UART |
| 73K222AU-IH | Single-Chip Modem Modem with UART |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| 73K222AL-IH | 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 |
| 73K222AL-IH/F | 功能描述:電信集成電路 Single Chip Modem /103 Modem Data Pump RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| 73K222AL-IHR/F | 功能描述:電信集成電路 Single Chip Modem /103 Modem Data Pump RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| 73K222AL-IP | 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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