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M10 Hardware Design
pin open
General purpose input/output
PIN NAME
I/O
DESCRIPTION
DC CHARACTERISTICS COMMENT
KBC0~KBC4 I
If
unused
keep
pins open
KBR0~KBR4 O
Keypad interface
Pull up to
VDD_EXT, if
unused keep pins
open
DISP_DATA I/O
DISP_CLK O
DISP_CS O
DISP_D/C O
DISP_RST O
LCD display interface
If unused keep
pins open
NETLIGHT
O
Network status indication
GPIO0 I/O
Normal
input/output
port
GPIO1_KBC5 I/O
Normal
input/output
port/Keypad interface
VILmin=0V
VILmax=0.67V
VIHmin=1.7V
VIHmax= 0.3
VOLmin=GND
VOLmax=0.34V
VOHmin=2.0V
VOHmax= VDD_EXT
If unused keep
pins open
LIGHT_MOS
O
Open drain output port
Imax=100mA
If unused keep
pin open
Serial port
PIN NAME
I/O
DESCRIPTION
DC CHARACTERISTICS COMMENT
DTR I
Data
terminal
ready
RXD I
Receive
data
TXD O
Transmitting
data
RTS I
Request
to
send
CTS O
Clear
to
send
RI O
Ring
indicator
DCD
O
Data carrier detection
If only use TXD
RXD GND to
communicate,
RTS pin should
connect to GND
directly.
If unused keep
pins open.
Debug port
DBG_TXD O
DBG_RXD I
Serial interface for
debugging only.
VILmin=0V
VILmax=0.67V
VIHmin=1.7V
VIHmax= 0.3
VOLmin=GND
VOLmax=0.34V
VOHmin=2.0V
VOHmax= VDD_EXT
If unused keep
pins open
SIM interface
PIN NAME
I/O
DESCRIPTION
DC CHARACTERISTICS COMMENT
SIM_VDD
O
Voltage supply for SIM card
The voltage can be
selected by software
automatically either 1.8V
or 3V
SIM_DATA
I/O
SIM data output
SIM_CLK O SIM
clock
VIHmin=0.7*SIM_VDD
VOHmin=0.8*SIM_VDD
All signals of
SIM interface
should be
protected against
ESD with a TVS
diode array.
M10_HD_V1.00
- 19 -
Quectel