User's Guide

DT-0237A page 28 of 34 Rev: 1.2
CONFIDENTIAL
DISTRIBUTED UNDER LICENSE
Pad Name Description
J17
GND_NC Do not connect
J18
GND_NC Do not connect
K1
GND_NC Do not connect
K2
GND_NC Do not connect
K3
RESERVED Do not connect
K16
RESERVED Do not connect
K17
RESERVED Do not connect
K18
XIN32 32KHz xtal
L1
GND_NC Do not connect
L2
GND_NC Do not connect
L3
GND_NC Do not connect
L16
PB15_*13 Spare I/O
L17
+3.3V Output from LGA LDO
L18
XOUT32 32KHz xtal
M1
GND GND
M2
RESERVED Do not connect
M3
GND_NC Do not connect
M16
GND GND
M17
GND GND
M18
+V1.5F_SW LGA backup power
N1
GND GND
N2
GND_NC Do not connect
N3
GND GND
N16
GND GND
N17
GND GND
N18
+3.3V Output from LGA LDO
P1
GND GND
P2
GND_NC Do not connect
P3
GND_NC Do not connect
P16
GND GND
P17
GND GND
P18
+3.3V Output from LGA LDO
R1
GND GND
R2
GND_NC Do not connect
R3
GND GND
R16
GND GND
R17
GND GND