Quectel EC200T Series User Manual

LTE Standard Module Series
EC200T Series Hardware Design
EC200T_Series_Hardware_Design 25 / 90
ADC0 45 AI
General-purpose ADC
interface
Voltage range:
0 V to VBAT_BB
If unused, keep it
open.
PCM & I2C Interfaces
Pin Name Pin No. I/O Description DC Characteristics Comment
PCM_DIN 24 DI PCM data input
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep it
open.
PCM_DOUT 25 DO PCM data output
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
PCM_SYNC 26 IO PCM data frame sync
V
OL
max = 0.45 V
V
OH
min = 1.35 V
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
In master mode, it
serves as an output
signal.
In slave mode, it is
used as an input
signal.
If unused, keep it
open.
PCM_CLK 27 IO PCM clock
V
OL
max = 0.45 V
V
OH
min = 1.35 V
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
In master mode, it
serves as an output
signal.
In slave mode, it is
used as an input
signal.
If unused, keep it
open.
I2C_SCL 41 OD I2C serial clock
Used for external
codec.
An external 1.8 V
pull-up resistor is
required.
If unused, keep it
open.
I2C_SDA 42 OD I2C serial data
Used for external
codec.
An external 1.8 V
pull-up resistor is
required.
If unused, keep it

Quectel EC200T Series Specifications

General

Brand	Quectel
Model	EC200T Series
Category	Control Unit
Language	English