SI3211PPTX-EVB Silicon Laboratories Inc, SI3211PPTX-EVB Datasheet - Page 121
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SI3211PPTX-EVB
Manufacturer Part Number
SI3211PPTX-EVB
Description
BOARD EVAL W/DISCRETE INTERFACE
Manufacturer
Silicon Laboratories Inc
Series
ProSLIC®r
Specifications of SI3211PPTX-EVB
Main Purpose
Interface, Analog Front End (AFE)
Utilized Ic / Part
Si3211
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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4.3. Digital Programmable Gain/Attenuation
See functional description sections of digital programmable gain/attenuation for guidelines on computing register
values. All values are represented in 2s-complement format.
Note: The values of all indirect registers are undefined following the reset state. Shaded areas denote bits that can be read
Addr.
Addr.
26
27
26
27
and written but must be written to zeroes.
Receive Path Digital to Analog Converter Gain/Attenuation.
This register sets gain/attenuation for the receive path. The digitized signal is effectively mul-
tiplied by DACG to achieve gain/attenuation. A value of 0x00 corresponds to – dB gain
(mute). A value of 0x400 corresponds to unity gain. A value of 0x7FF corresponds to a gain
of 6 dB.
Transmit Path Analog to Digital Converter Gain/Attenuation.
This register sets gain/attenuation for the transmit path. The digitized signal is effectively
multiplied by ADCG to achieve gain/attenuation. A value of 0x00 corresponds to – dB gain
(mute). A value of 0x400 corresponds to unity gain. A value of 0x7FF corresponds to a gain
of 6 dB.
D15
Table 42. Digital Programmable Gain/Attenuation Indirect Registers Description
Table 41. Digital Programmable Gain/Attenuation Indirect Registers Summary
D14
D13
D12
D11
DACG[11:0]
ADCG[11:0]
D10
Description
D9
Rev. 1.5
D8
D7
D6
D5
Si3210/Si3211
D4
D3
D2
Reference
D1
Page
48
48
D0
121
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