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參數(shù)資料
| 型號(hào)： | 73K324L-28IH |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | COSSE |
| 中文描述： | 國(guó)際電話電報(bào)諮詢委員會(huì)V.22bis，.22，.21，.23，貝爾212A章單芯片調(diào)制解調(diào)器 |
| 文件頁(yè)數(shù)： | 16/31頁(yè) |
| 文件大?。?/td> | 183K |
| 代理商： | 73K324L-28IH |
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73K324L
CCITT V.22bis, V.22, V.21, V.23, Bell 212A
Single-Chip Modem
16
SPECIAL REGISTER
(continued)
BIT NO.
NAME
DESCRIPTION
D3
TXD
SOURCE
This bit selects the transmit data source; either the TXD pin if ZERO or the
TXDALT if this bit is a ONE. The TRANSMIT PATTERN bits D7 and D6 in CR1
override either of these sources.
D2, D1
SIGNAL
QUALITY
LEVEL
SELECT
The signal quality indicator is a logical zero when the signal received is
acceptable for low error rate reception. It is determined by the value of the
Mean Squared Error (MSE) calculated in the decisioning process when
compared to a given threshold. This threshold can be set to four levels of error
rate. The SQI bit will be low for good or average connections. As the error rate
crosses the threshold setting, the SQI bit will toggle at a 1.66 ms rate. Toggling
will continue until the error rate indicates that the data pump has lost
convergence and a retrain is required. At that point the SQI bit will be a ONE
constantly. The SQI bit and threshold selection are valid for QAM and DPSK
only.
D2
D1
TYPICAL
THRESHOLD VALUE
UNITS
0
0
10
-5
BER (default)
0
1
1
0
10
-6
10
-4
BER
BER
1
1
10
-3
BER
NOTE: This register is "mapped" and is accessed by setting CR2 bit D6 to a ONE and addressing CR3. This
register
provides
functions
to
the
73K324L
communications. Bits D7-D4 are read only, while D3-D0 are read/write. To return to normal CR3 access,
CR2 bit D6 must be returned to a ZERO.
user
that
are
not
necessary
in
normal
ID REGISTER
D7
ID
3
D6
ID
2
D5
ID
1
D4
ID
0
D3
X
D2
X
D1
X
D0
X
ID
110
BIT NO.
NAME
CONDITION
DESCRIPTION
D7 D6 D5 D4
0
0
Indicates Device:
73K212AL or 73K322L or 73K321L
X
X
0
1
X
X
73K221AL or 73K302L
1
1
0
1
X
0
X
0
73K222AL, 73K222BL
73K224L
1
1
1
0
73K324L
1
1
1
1
0
1
0
0
73K224BL
73K324BL
D7, D6,
D5, D4
Device
Identification
Signature
D3-D0
Undefined
Mask in software
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 73K324L-IGT | CCITT V.22bis, V.22, V.21, V.23, Bell 212A Single-Chip Modem |
| 73K324L-IP | CCITT V.22bis, V.22, V.21, V.23, Bell 212A Single-Chip Modem |
| 73M2910L | Microcontroller |
| 73M2921 | Advanced Single Chip Modem |
| 73M2921-IG | Advanced Single Chip Modem |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 73K324L-28IH/F | 功能描述:電信集成電路 Modem Data Pump V.21-23 & V.22Bis 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 |
| 73K324L-28IHR/F | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Single-Chip Modem |
| 73K324L-IGT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CCITT V.22bis, V.22, V.21, V.23, Bell 212A Single-Chip Modem |
| 73K324L-IHR/F | 功能描述:電信集成電路 K-Series 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 |
| 73K324L-IP | 制造商:SILICON SYSTEMS 功能描述: 制造商:TDK 功能描述: |
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