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參數(shù)資料
| 型號(hào)： | 73K222AU |
| 廠商： | TDK Corporation |
| 英文描述： | Single-Chip Modem Modem with UART |
| 中文描述： | 單芯片調(diào)制解調(diào)器調(diào)制解調(diào)器與異步 |
| 文件頁數(shù)： | 11/28頁 |
| 文件大?。?/td> | 160K |
| 代理商： | 73K222AU |
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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 |
|---|---|
| 73K222AU-IH | Single-Chip Modem Modem with UART |
| 73K222AU-IP | Single-Chip Modem Modem with UART |
| 73K222BL | V.22, V.21, Bell 212A,Bell 103 Single-Chip Modem with Integrated Hybrid(V.22, V.21, Bell 212A,Bell 103,帶混合電路的單片Modem) |
| 73K224BL | V.22bis/V.22/V.21/Bell 212A/103 Single-Chip Modem w/ Integrated Hybrid(V.22bis/V.22/V.21/Bell 212A/103單片Modem w/ 集成混合電路) |
| 73K224L | V.22bis/V.22/V.21/ Bell 212A/Bell 103 Single-Chip Modem |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 73K222AU-IH | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:Single-Chip Modem Modem with UART |
| 73K222AU-IP | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:Single-Chip Modem Modem with UART |
| 73K222BL | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Single-Chip Modem |
| 73K222BL-IGT | 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 |
| 73K222BL-IH | 制造商:TDK 功能描述:73K222BL-IH |
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