Zarlink Le51HE001V User Manual - Stand-Alone Opera-
CHAPTER
13
Zarlink Semiconductor Inc.
5
STAND-ALONE OPERA-
TIONAL TEST PROCEDURES
5.1
VERIFYING FUNCTIONALITY OF CHANNELS
This test will verify functionality of all four channels of the QLSLAC device. While somewhat lengthy
in setup, it will help the user to gain understanding of how the GX, GR, B, Z, R, X, AX, AR, and AISN
blocks work together. Refer to the QLSLAC device block diagram below.
Figure 5–1 QLSLAC Device Block Diagram
You will need the following equipment to perform this test:
•
Appropriate platform board and accompanying software
•
Le51HE001V Evaluation Board
•
Dual Channel Oscilloscope
•
Signal Generator
•
BNC cables
•
Banana Jack cables
5.1.1
Channel Functionality Test Procedure
Perform the following steps to verify the functionality of all four channels of the QLSLAC device:
1. Connect the evaluation board to the control platform (VP Demo or ACIF2-A Board).
2. Connect 5 V and GND to the ACIF board.
3. Connect the banana jacks of the Le51He001V to the supplies, and power up both boards.
4. On the PC, start the WinACIF program and select device.
5. Click OK on the message stating "Configuration Successful," then click on the QLSLAC Cmds
menu button.
Now, perform the following steps (or run the "initial.tcl" script on the
Zarlink Application Tools and
Designs CD):
6. Click on the Hardware Reset button.
7. Click on the Pulse Reset Pin button.
8. Click on the Software Reset button.
9. Click on the Write Activate button. By default, all channels should be enabled. This can be ver-
ified by reading the "Wrt/Rd Enable Chan" register.
10. Set the Z and B filters to 0, as follows:
V
IN
DGIN
AX
AISN
+
AR
ADC
DAC
Inter-
polator
Deci-
mator
+
Deci-
mator
Inter-
polator
Z
B
+
GX
X
LPF &
HPF
GR
R
LPF
Ex-
pander
TSA
TSA
Com-
pressor
High Pass Filter (HPF)
Full
Digital
Loopback
(FDL)
*
*
*
*
V
OUT
VREF
*
*
*
*
*
Lower Receive
Gain (LRG)
Cutoff Receive
Path (CRP)
TSA Loopback
(TLB)
Cutoff
Transmit
Path
(CTP)
Digital
TX
Digital
RX
1 kHz Tone
(TON)
0
* Programmable blocks