Datasheet

_________________________________________________________________ Maxim Integrated Products 6
MAX14820 Evaluation Kit
Evaluates: MAX14820/MAX14821
Table 1. Jumper Descriptions
*Default position.
JUMPER SHUNT POSITON DESCRIPTION
JU1
Closed* Enables the C/Q LED indicator
Open Disables the C/Q LED indicator
JU2
Closed* Enables the DO LED indicator
Open Disables the DO LED indicator
JU4
1-2* Device is powered by the internal LDO
1-3 Device is powered by external 5V connected on TP8
JU5
1-2* Device VL is connected to LDO33
2-3 Device VL is connected to V5
JU6
1-3* TXEN pin is controlled by the microcontroller through the GUI
1-2 TXEN pin is connected to VL
1-4 TXEN pin is connected to GND
JU7
1-3* TXQ pin is controlled by the microcontroller through the GUI
1-2 TXQ pin is connected to VL
1-4 TXQ pin is connected to GND
JU8
1-3* TXC pin is controlled by the microcontroller through the GUI
1-2 TXC pin is connected to VL
1-4 TXC pin is connected to GND
JU9
1-3* LO pin is controlled by the microcontroller through the GUI
1-2 LO pin is connected to VL
1-4 LO pin is connected to GND
JU10
Closed* Device logic IO pins are connected to the on-board microcontroller
Open Device logic IO pins are disconnected from the on-board microcontroller
JU11
Closed*
Enables the WU LED indicator
Open
Disables the WU LED indicator
JU13
Closed*
Enables the IRQ LED indicator
Open
Disables the IRQ LED indicator
JU14
Closed* Enables the LI LED indicator
Open Disables the LI LED indicator
JU15
Closed* Enables the RX LED indicator
Open Disables the RX LED indicator
JU16–JU19
Closed* Device uses the on-board SPI interface
Open Device uses an external SPI interface
JU23
Closed*
Device LDOIN is bypassed by the 0.1FF capacitor
Open Device LDOIN has no bypass capacitor