User's Guide

Wearable EVK User Guide
AN-21011301-E1
30
Ver.1.0.0
2.2 LED
Short J16 to light D14, short J18 to light D16.
Figure 2-5 LED Jumper
2.3 RF PA
In order to facilitate manual debugging of the PA, EVK reserves TXEN, RXEN, BYPASS up and down jumpers.
• Pin1 and pin2 of J70 are short-circuited, PD7 is pulled up to 3V3 (TXEN=1), pin2 and pin3 are
short-circuited, and PD7 is pulled down to GND (TXEN=0).
• Pin1 and pin2 of J71 are shorted, PD6 is pulled up to 3V3 (RXEN=1), pin2 and pin3 are shorted, PD6 is
pulled down to GND (RXEN=0).
• Pin1 and pin2 of J72 are shorted, PD5 is pulled up to 3V3 (BYPASS=1), pin2 and pin3 are shorted, PD5
is pulled down to GND (BYPASS=0).
Table 2-1 Manual controller table
TX_EN
RX_EN
Bypass
Mode