6
Quick Start Guide
TWR-KL46Z48M Jumper Options
The following is a list of all the jumper options. The default installed jumper settings are
indicated by white text within the red boxes or bold text in the “Signal” column.
Jumper
Position
Signal
KL46 Pin Name
J3
1-2
BOARD POWER
SELECTOR
1-2 P5V_TRG_USB
2-3 VBUS_ELEV
J19
1-2
MCU_POWER
J4
1-2
Reset
1-2 RESET_B
2-3 RST_TGTMCU_B
J7
1-3
V_BRD Voltage Selection
1-3 3.3V
3-5 1.8V
J27
1-2
V_BRD to MCU_POWER
J28
1-2
VDDA_HDR to MCU_POWER
enable
J17
Open
VLL3 to VDD enable
VLL3
J16
Open
VOUT_3V3 to MCU_POWER
J18
1-2
VREG_IN Selector
1-2 P5V_KL46_USB
2-3 VBUS_ELEV
P5V_KL46_USB_L
