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參數(shù)資料
| 型號(hào)： | 73K224L-IGT |
| 廠商： | TDK Corporation |
| 英文描述： | V.22bis/V.22/V.21/ Bell 212A/Bell 103 Single-Chip Modem |
| 中文描述： | V.22bis/V.22/V.21 /貝爾212A/Bell 103單芯片調(diào)制解調(diào)器 |
| 文件頁數(shù)： | 10/32頁 |
| 文件大?。?/td> | 206K |
| 代理商： | 73K224L-IGT |
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73K224L
V.22bis/V.22/V.21/Bell 212A/Bell 103
Single-Chip Modem
10
CONTROL REGISTER 1
(continued)
D7
D6
D5
D4
D3
D2
D1
D0
CR1
001
TRANSMIT
PATTERN
1
TRANSMIT
PATTERN
0
ENABLE
DETECT
INT.
BYPASS
SCRAMB
CLK
CONTROL
RESET
TEST
MODE
1
TEST
MODE
0
BIT NO.
D4
NAME
CONDITION
0
DESCRIPTION
Selects normal operation. DPSK and QAM data is passed through
scrambler.
Bypass
Scrambler
1
Selects Scrambler Bypass. Bypass DPSK and QAM data is
routed around scrambler in the transmit path.
0
Disables interrupt at
INT
pin. All interrupts are normally
disabled in power down mode.
D5
Enable Detect
Interrupt
1
Enables
INT
output. An interrupt will be generated with a
change in status of DR bits D1-D4 and D6. 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 and handshaking. Also used for S1 pattern
generation. See CR2 bit D4.
1
1
0
1
Selects a constant mark transmit pattern.
Selects a constant space transmit pattern.
D7, D6
Transmit
Pattern
DETECT REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
DR
010
RECEIVE
LEVEL
INDICATOR
S1
PATTERN
DETECT
RECEIVE
DATA
UNSCR
MARK.
DETECT
CARR.
DETECT
ANSWER
TONE
DETECT
CALL
PROG.
DETECT
SIGNAL
QUALITY
INDICATOR
BIT NO.
D0
NAME
CONDITION
0
DESCRIPTION
Indicates normal received signal.
Signal Quality
Indicator
1
Indicates low received signal quality (above average error
rate). Interacts with special register bits D2, D1.
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 bandwidth.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 73K224L-IH | V.22bis/V.22/V.21/ Bell 212A/Bell 103 Single-Chip Modem |
| 73K224L-IP | V.22bis/V.22/V.21/ Bell 212A/Bell 103 Single-Chip Modem |
| 73K321L-IH | CCITT V.23, V.21 Single-Chip Modem |
| 73K321L-IP | CCITT V.23, V.21 Single-Chip Modem |
| 73K321L | Miniature Switch, High Precision |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 73K224L-IH | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:V.22bis/V.22/V.21/ Bell 212A/Bell 103 Single-Chip Modem |
| 73K224L-IH/F | 功能描述:電信集成電路 Single Chip Modem w/Integrated Hybrid 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 |
| 73K224L-IHR/F | 功能描述:電信集成電路 Single Chip Modem w/Integrated Hybrid 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 |
| 73K224L-IP | 功能描述:電信集成電路 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 |
| 73K224L-IP/F | 功能描述:電信集成電路 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 |
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