Teledyne LeCroy PCIBX64-X - Manual (Page 14)

12
13- Measure system frequency:
Use the "Set Address" routine to set address
DUT 1 = 0x7b DUT2 = 0x7f
use write routine to write 0x1
Wait 15 ms
Use the "Set Address" routine to set address
DUT 1 = 0x78 DUT2 = 0xf8
use read routine to read D[7..0]
Use the "Set Address" routine to set address DUT 1 = 0x79 DUT2 = 0xf9
use read routine to read D[15..8]
Use the "Set Address" routine to set address DUT 1 = 0x7a DUT2 = 0xfa
use read routine to read D[23..16]
system frequency = (D[23..16] D[15..8] D[7..0])*100/1048575 MHz
For example if the read numbers were 0x5, 0x 55 & 0x46 then 0x55546 = decimal 349510 *100/1048575 = 33.33 MHz.
14- Measure DUT Voltages and current:
Select the voltage or current to convert
Use the "Set Address" routine to set address
DUT 1 = 0x67 DUT2 = 0xe7
use write routine to write
D[7..0] Signal to Convert & Read
0X08 +2.5V Reference
0X09 +12V UUT
0X0A +5V UUT
0X0B +3.3V UUT
0X0C +5V Aux
0X0D Current +5V
0X0E Current +12V
0X0F Current +3.3V
Wait 10 ms after selecting the signal
Start Conversion
Use the "Set Address" routine to set address
DUT 1 = 0x68 DUT2 = 0xe8
use extended write routine to write. 0x0
Wait 2 ms
To read data, shift data to a parallel register
Use the "Set Address" routine to set address
DUT 1 = 0x69 DUT2 = 0xe9
use write routine. 0x0
Repeat this write 13 times.
To read converted Data out
Use the "Set Addres s" routine to set address
DUT 1 = 0x6a DUT2 = 0xea
use read routine to read the data.
Use the "Set Address" routine to set address
DUT 1 = 0x6b DUT2 = 0xeb
use read routine to read the data.