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PCB Construction
Table 1. Configuration of EVM (continued)
Switch
Pin Description
Switch Position and Corresponding Setting
SW9
Power source selection
1: 3.3 V from Regulator
2: N/A (two position switch)
3: VCC from external source on JMP1
SW10
NC
N/A
Table 2. Suggested Default Settings
Switch
Pin Description
Switch Position and Corresponding Setting
SW1
DE1 (De-emphasis channel 1)
2: 0 dB
SW2
EQ1 (Equalization channel 1)
2: 0 dB
SW3
OS1 (Output swing channel 1)
2: 1241 mVpp
SW4
DE2 (De-emphasis channel 2)
2: 0 dB
SW5
EQ2 (Equalization channel 2)
2: 0 dB
SW6
OS2 (Output swing channel 2)
2: 1241 mVpp
SW7
EN_RXD
1: Enabled
SW9
Power source selection
1: 3.3 V from USB VBUS
SW10
NC
N/A
4
PCB Construction
This section contains the EVM board schematics and the PCB board layouts.
4.1
EVM Board Schematics
through
illustrate the SN65LVPE512 EVM schematics.
Figure 1. Schematic of High Speed Pins
3
SLLU213 – February 2015
SN65LVPE512 EVM
Copyright © 2015, Texas Instruments Incorporated