PCT2303N DATA SHEET
CONTROL REGISTERS
!!
Line 1 DAC/ADC Level
(Register 46h, R/W)
Mute
Reserved
DAC[3:1]
R
Mute
Reserved
ADC[3:1]
R
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset settings = 8080h
This read/write register controls the modem AFE DAC and ADC levels. The default value after cold register reset
for this register (8080h) corresponds to 0 db DAC attenuation with mute on and 0 db ADC gain with mute on.
Bit Definitions:
Bits
Name
Description
15
Mute
Transmit mute. 1 = Mute on.
Reserved.
14:12
11:9
Reserved
DAC[3:1]
Analog transmit attenuation.
DAC[3:1]
000
Description
0db attenuation.
3db attenuation.
6db attenuation.
9db attenuation.
12db attenuation.
001
010
011
1xx
8
Reserved
Mute
Reserved.
7
Receive mute. 1 = Mute on.
Reserved.
6:4
3:1
Reserved
ADC[3:1]
Analog receive gain.
ADC[3:1]
000
Description
0dB gain.
3dB gain.
6dB gain.
9dB gain.
12dB gain.
001
010
011
1xx
0
Reserved
Reserved.
PC-TEL, Inc.
19
2303N0DOCDAT10A-0899
ETC [ ETC ]
