User Guide

Flow chart of trouble shooting 5-4
U108
U407
VCC
VCC
R505
C509
R509
C526
SIM5V3V
SIMPWDN_BOOT
F_WP
SYSRST
GPIO3
GPIO4
DTR1
F
U41 0 U40 1
6F_VddVCC
34 Flash R400
F_WP
U41 1 U402
6Flash
CSROM 3 4 vccw
CS
_
FL S
HA