FPA-C34, FPA-W34
12
/
17
3.5.6
LED
PWR LED: light indicate system power OK(main power up);off indicate system power turn off
Err LED: User can define by themself.
SS LED: User can define by themself.
TX LED: when UART1 send data, it can blink
RX LED: when UART1 receive data, it can blink
3.5.7
Micro
SIM
Card
Push
the
SIM
Card,
and
Push
again,
it
can
put
in
or
put
out.
3.5.8
DEBUG
CONN,
Pin
header,1x4x2.0,TH,
User
can
show
the
debug
message
and
use
keyboard
input
debug
command.
It’s
TTL
level,
we
need
a
Uart
‐
debug
board
when
we
use
it.
Pin
Description
1
3.3V
2
TTL_TXD
3
TTL_RXD
4
DGND
3.5.9
Renew
button
Renew button: long press this button will restore the factory setting, the long press time can be
setting by user
PIN1
