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參數(shù)資料
| 型號： | Z0220516SSCR4292 |
| 英文描述： | Modem Controller |
| 中文描述： | 調(diào)制解調(diào)器控制器 |
| 文件頁數(shù)： | 23/48頁 |
| 文件大?。?/td> | 1331K |
| 代理商： | Z0220516SSCR4292 |
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Z02202
ZiLOG
V.22bis Data Pump with Integrated AFE
PS000902-0501
Z02201
23
Trnctrl
01FE
0H
Training Control Register
The data pump sets this location to its default value at any reset and
when the host sets Con
fi
g register, bits 0
–
6 (MODE) to 0 or to any data
mode. This RAM location controls the handshake process during a
manual training process (see
“
Manual Handshake Procedures
”
on
page 1-38 for an example on the use of this interface). This RAM location
has no effect when data mode is entered (Trnctrl is set to 5 or 6).
b7
SB1DET
–
Scrambled Binary 1 Detected (1200 bps or
2400 bps). Debounced through 30 ms.
b6
S1DET
–
S1 Detected. Debounced through 27 ms
b5
USB1DET
–
Unscrambled Marks Detected (1200 bps)
b4
SB0DET
–
Scrambled Binary 0 Detected (1200 bps or
2400 bps)
b3
V22bis Force 16 Way Decisions.
b0
–
2
TXCTRL Transmitter Control. Set TXCTRL to control the
output of the data pump, using the table below as a guide.
The default frequency for the transmitted tone (TXCTRL is
7) is 2225 Hz, and may be changed after setting TXCTRL
by changing ToneGenA appropriately. The tone level is
controlled by TxLevel.
Value
0
1
V.22/Bell 212A/V.22bis
Sequence Transmitted
Silence: squelch transmitter
Transmit unscrambled binary 1 at 1200
bps
Transmit S1 signal
Transmit scrambled binary 1 at 1200
bps
Transmit scrambled binary 1 at 2400
bps
Begin V.22, or Bell212A, 1200 bps data
mode
Begin V.22bis 2400 bps data mode
Transmit tone. The default frequency
for the transmitted tone is 2225 Hz, and
may be changed after setting
TXCTRL
to 7 by changing
ToneGenA
approximately. The tone level is
controlled by
TxLevel.
FSK (V.21/ Bell 103/ V.23) Sequence
Transmitted
Silence: squelch transmitter
Transmit marks (binary 1)
Transmit spaces (binary 0)
Begin FSK Data Mode
Transmit tone. Set the frequency to be
transmitted by changing
ToneGenA
after setting
TXCTRL
is 7. The tone level
is controlled by
TxLevel.
2
3
4
5
6
7
Value
0
1
2
5
7
Table 15. Modem Data Pump Word De
fi
nitions (Continued)
Register & Address
(hex)
Default
Value
Function and Explanation
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| Z0220516SSGR4259 | 功能描述:電信線路管理 IC OTP CONTROLLER 86E34 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
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