PCT1789W DATA SHEET
PRELIMINARY
PCT303DW CONTROL REGISTERS
!!
TX/RX Gain Control
(Register 15, R/W)
TXM
ATX[2:0]
RXM
ARX[2:0]
7
6
5
4
3
2
1
0
Reset settings: 00h
Bit Definitions:
Bits
Name
TXM
Description
7
Transmit mute. 1 = Mutes the transmit signal.
Analog transmit attenuation.
6:4
ATX[2:0]
ATX[2:0]
000
Description
0dB attenuation.
3dB attenuation.
6dB attenuation.
9dB attenuation.
12dB attenuation.
001
010
011
1xx
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.
3
RXM
Receive mute. 1 = Mutes the receive signal.
Analog receive gain.
2:0
ARX[2:0]
ATX[2:0]
000
Description
0dB gain.
001
3dB gain.
6dB gain.
9dB gain.
12dB gain.
010
011
1xx
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.
PRELIMINARY
PC-TEL, Inc.
47
1789W0DOCDAT06A-0299