Quectel EC200U Series Hardware Design page 27

PCM_DIN 24
PCM_DOUT 25
PCM_SYNC 26
PCM_CLK 27
SPI Interface
Pin Name Pin No.
SPI_CS 37
SPI_MOSI 38
SPI_MISO 39
SPI_CLK 40
LCD Interface
Pin Name Pin No.
LCD_FMARK 119
LCD_RSTB 120
LCD_SEL 121
LCD_CS 122
LCD_CLK 123
LCD_SDC 124
LCD_SI/O 125
ISINK 140
EC200U_Series_Hardware_Design
DI PCM data input
DO PCM data output
PCM data frame
DI
sync
DI PCM clock
I/O Description
DO SPI chip select
SPI master mode
DO
output
SPI master mode
DI
input
DO SPI clock
I/O Description
LCD frame
DI
synchronization
DO LCD reset
- Reserved
DO LCD chip select
DO LCD clock
LCD register
DO
selection
DIO LCD data
PI Sink current input.
LTE Standard Module Series
V min = -0.3 V
IL
V max = 0.6 V
IL
V min = 1.26 V
IH
V max = 2.0 V
IH
V max = 0.45 V
OL
V min = 1.35 V
OH
V min = -0.3 V
IL
V max = 0.6 V
IL
V min = 1.26 V
IH
V max = 2.0 V
IH
V min = -0.3 V
IL
V max = 0.6 V
IL
V min = 1.26 V
IH
V max = 2.0 V
IH
DC Characteristics
V max = 0.45 V
OL
V min = 1.35 V
OH
V max = 0.45 V
OL
V min = 1.35 V
OH
V max = 0.45 V
OL
V min = 1.35 V
OH
DC Characteristics
V min = -0.3 V
IL
V max = 0.6 V
IL
V min = 1.26 V
IH
V max = 2.0 V
IH
V max = 0.45 V
OL
V min = 1.35 V
OH
-
V max = 0.45 V
OL
V min = 1.35 V
OH
V max = 0.45 V
OL
V min = 1.35 V
OH
V max = 0.45 V
OL
V min = 1.35 V
OH
V min = -0.3 V
IL
V max = 0.6 V
IL
V min = 1.26 V
IH
V max = 2.0 V
IH
Imax = 200 mA
1.8 V power domain.
If unused, keep it
open.
1.8 V power domain.
If unused, keep it
open. The PCM
function only
supports slave
mode, not master
mode.
Comment
If you use a module
model that supports
GNSS function, the
SPI function of Pin
–
37 40 cannot be
used and needs to
be left unconnected.
Comment
1.8 V power domain.
If unused, keep them
open.
It is driven by the
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