參數資料
型號: PCT789T-A
英文描述: PCI HSP56 World MicroModem/PCT303DW/PCT1789W
中文描述: 世界MicroModem/PCT303DW/PCT1789W的PCI HSP56
文件頁數: 47/70頁
文件大?。?/td> 872K
代理商: PCT789T-A
PC-TEL, Inc.
47
1789W0DOCDAT06A-0299
PCT1789W DATA SHEET
PCT303DW C
ONTROL
R
EGISTERS
!
PRELIMINARY
PRELIMINARY
TX/RX Gain Control
(Register 15, R/W)
Reset settings: 00h
Bit Definitions:
TXM
7
ATX[2:0]
5
RXM
3
ARX[2:0]
1
6
4
2
0
Bits
Name
TXM
ATX[2:0]
Description
Transmit mute. 1 = Mutes the transmit signal.
Analog transmit attenuation.
7
6:4
NOTE: Register 13 bit 0 (ATX) must be 0 for these bits to work as expected.
Unpredictable results can occur if ATX is 1 and these bits are non-zero.
Receive mute. 1 = Mutes the receive signal.
Analog receive gain.
3
RXM
ARX[2:0]
2:0
NOTE: Register 13 bit 1 (ARX) must be 0 for these bits to work as expected.
Unpredictable results can occur if ARX is 1 and these bits are non-zero.
ATX[2:0]
000
001
010
011
1xx
Description
0dB attenuation.
3dB attenuation.
6dB attenuation.
9dB attenuation.
12dB attenuation.
ATX[2:0]
000
001
010
011
1xx
Description
0dB gain.
3dB gain.
6dB gain.
9dB gain.
12dB gain.
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