Adc2 Input Mode Selection Jumpers (Jp7-8); Mic Gain Selection Jumpers (Jp9-10) - Analog Devices ADSP-21161N EZ-KIT Lite Manual

Jumper Settings
Table 3-3. Sample Frequencies
Jumper Location
None installed
3 and 4
1 and 2
1 and 2, 3 and 4
ADC2 Input Mode Selection Jumpers (JP7–8)
The and
JP7 JP8
AD1836 (see Table
straight in to the ADC. In PGA mode, the signal goes through a multi-
plexer and a programmable gain amplifier inside of the codec.
Table 3-4. ADC Input Mode
Jumper Location
3 and 5, 4 and 6
1 and 3, 2 and 4
MIC Gain Selection Jumpers (JP9–10)
The and
JP9 JP10
microphone circuit (see
should be configured the same.
Table 3-5. MIC Pre Amp Gain
Jumper Position
Not Installed
3-8
Sample Frequency
Not allowed
192 kHz (2x Interpolator)
96 kHz (4x Interpolator)
48 kHz (8x Interpolator) (factory default)
jumpers control the input mode to ADC2 on the
3-4). In high-performance mode, the signal is routed
Input Mode
PGA (factory default)
High Performance
jumpers are used to select the pre-amp gain for the
Table 3-5). The gain for the left and right channel
Gain
0 dB
ADSP-21161N EZ-KIT Lite Evaluation System Manual