Purpose; Evm Setup - Texas Instruments TRF6900 User Manual

Purpose

1.1 Purpose
The TRF6900 evaluation module (EVM) provides a platform for lab prototype
evaluation of the Texas Instruments TRF6900.

1.2 EVM Setup

The 3.5-inch diskette supplied with the TRF6900 contains the software re-
quired to demonstrate the TRF6900. Complete the following steps to set up
the TRF6900 for evaluation.
Step 1: Place the 3.5-inch diskette into the floppy disk drive of the computer
Step 2: Copy the TRF6900.exe file to the hard drive.
Step 3: Connect a DB25 female to DB25 male cable between the TRF6900
Step 4: Connect a dc power supply capable of 10 V 200 mA between the red
Step 5: Verify that the power supply output is set to 8 V. Turn the power sup-
Step 6: If jumper at JP8 is installed, verify that LED3 (the red power on LED)
Step 7: Run the TRF6900.exe file on the PC.
Step 8: Press the Send Words Now (F12) button located on the program
Step 9: Verify that LED1 (the green lock detect LED) is illuminated. When the
Note:
The actual icons/windows on the computer screen may differ from those
shown in the user's guide, due to software version upgrades.
The schematics shown in this user's guide may not match the current revi-
sion due to PCB and component upgrades.
Always check the TI website for the latest schematics and software.
being used to evaluate the TRF6900.
evaluation board and the PC parallel port. The DB25 female end of
the cable is connected to the TRF6900. The DB25 male end of the
cable is connected to the desired LPT port of the PC. (LPT1 or
LPT2).
power supply pin and ground on the TRF6900 evaluation board.
ply on.
is illuminated.
screen.
lock detect LED is illuminated, the PLL is locked on frequency.