SI3232-BQ Silicon Laboratories Inc, SI3232-BQ Datasheet - Page 61

• Manufacturer Part Number: SI3232-BQ
• Description: IC SLIC PROG DUAL-CH 64TQFP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI3232-BQ

• Package / Case: *
• Function: Subscriber Line Interface Concept (SLIC)
• Interface: ISDN
• Number Of Circuits: 2
• Voltage - Supply: 3.13 V ~ 3.47 V
• Current - Supply: 28mA
• Power (watts): 280mW
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Product: SLIC
• Supply Voltage (min): 3.13 V
• Supply Current: 28 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Channels: 2
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

8-Bit Control Descriptions
AUDGAIN: Audio Gain Control (Register Address 21)
(Register type: Initialization)
Reset settings = 0x00
Name
Type
Bit
1:0
7
6
5
4
3
2
ARXMUTE
CMTXSEL
ATXMUTE
Reserved
Reserved
ARX[1:0]
Name
CMTXSEL
ATX
R/W
D7
Transmit Path Common Mode Select.
Selects common mode reference for transmit audio signal.
0 = VTXP/N pins will be referred to internal 1.5 V VCM level.
1 = VTXP/N pins will be referred to external common-mode level presented at the VCM pin.
Analog Transmit Path Mute.
0 = Transmit signal passed.
1 = Transmit signal muted.
Read returns zero.
Analog Transmit Path Attenuation Stage.
Selects analog transmit path attenuation. See "Audio Path Processing" on page 46.
0 = No attenuation.
1 = –3 dB attenuation.
Read returns zero.
Analog Receive Path Mute.
0 = Receive signal passed.
1 = Receive signal muted.
Analog Receive Path Attenuation Stage.
Selects analog receive path attenuation. See “Audio Path Processing” .
00 = No attenuation.
01 = –3 dB attenuation.
10 = –6 dB attenuation.
11 = Reserved. Do not use.
ATXMUTE
R/W
D6
D5
Preliminary Rev. 0.95
ATX
R/W
D4
Function
D3
ARXMUTE
R/W
D2
D1
ARX[1:0]
R/W
Si3232
D0
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