Zarlink Le51HE001V User Manual - page 18
Le51HE001V
Eval Board User Guide
14
Zarlink Semiconductor Inc.
a) Click on the Filter & Gains: Wrt/Rd B1 Filter Coefficients button. Input zero for each dec-
imal value on each channel.
b) Click on the Write button.
c) Click on the Filter & Gains: Wrt/Rd B2 Filter Coefficients button. Input zero for each dec-
imal value on each channel.
d) Click on the Write button.
e) Click on the Filter & Gains: Wrt/Rd Z (FIR & IIR) Filter Coefficients button. Input zero for
each decimal value on each channel.
f)
Click on the Write button.
11. Set the GX and GR filters to unity gain and program/activate the X and R filters, as follows:
a) Click on the Wrt/Rd GX Filter Coefficients button.
b) Enter "Gain = 1: 01 90".
c) Click on the Write button.
d) Click on the Wrt/Rd GR Filter Coefficients button.
e) Enter "Gain = 1: 01 11".
f)
Click on the Write Coeff button.
g) Click on the Wrt/Rd X Filter... button.
h) Enter "1" for the decimal value on each channel.
i)
Click on the Write button.
j)
Click on the Wrt/Rd R Filter... button.
k) Enter "1" for the decimal value on each channel.
l)
Click on the Write button.
12. Set AX/AR/AISN, as follows:
a) Click on the Wrt/Rd AISN & Analog Gains button.
b) Ensure AX, AR and DGIN are set to 0.0 dB.
c) Ensure the Analog Impedance Scaling Network Gain: window displays "Cut-off."
d) Click on the Write button.
13. Set the operating function bits, as follows:
a) Click on the Wrt/Rd Operating Functions button.
b) Set Gr, Gx, X, R, Z and B to "1" to enable the programmed filter values.
c) Click on the Write button.
14. When you see the Main Menu screen, click on the ACIF board menu, then click the PCM-4
Interface button.
15. Set the DXA and DRA connection path to match the diagram shown in Figure 5–2 below.
Figure 5–2 Routing DXA to DRA via the PCM Menu