Product Manual

MeiGProductManualofSLM750Module
SLM750ModuleHardwareDesign Page 21, total 84 pages
VOHmin=1.35V domain.
If unused, keep
it open.
RTS 65 DO DTE requires to
transmit data
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
VIHmax=2.0V
1.8V power
domain.
If unused, keep
it open.
Debug serial port
Pin name Pin
number
I/O Description DC features Note
DBG_TXD 12 DO Transmit data V
OL
max=0.45V
V
OH
min=1.35V
1.8V power
domain.
If unused, keep
it open.
DBG_RXD 11 DI Receive data V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power
domain.
If unused, keep
it open.
ADC interface
Pin name Pin
number
I/O Description DC features Note
ADC0
45 AI General
purpose
analog to
digital
converter.
Voltage range:
0.05V~1.8V
If unused, keep it
open.
ADC1
44 AI General
purpose
analog to
digital
converter.
Voltage range:
0.05V~1.8V
If unused, keep it
open.
USB_BOOT interface
Pin name Pin
number
I/O Description DC features Note
USB_BOOT 115
DI
Forced
download
mode control
VOLmax=0.45
VOHmin=1.35V
1.8V power
domain. Active
high level.
Suggested
reservation of test
point.
PCM interface
Pin name Pin
number
I/O Description DC features Note
PCM_IN 24 DI PCM data input V
IL
min=-0.3V
V
IL
max=0.6V
1.8V power
domain.