Table of Contents
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PCM Interface
Pin Name
Pin No.
PCM_SYNC
5
PCM_CLK
4
PCM_DIN
6
PCM_DOUT
7
RF Antenna Interface
Pin Name
Pin No.
ANT_MAIN
60
ANT_BT/
56
WIFI_SCAN
GRFC Antenna Tuner Control
Pin Name
Pin No.
GRFC1
76
GRFC2
77
SPI Interface
Pin Name
Pin No.
SPI_CLK
26
SPI_CS
25
EG915U_Series_Hardware_Design
I/O
Description
DI
PCM data frame sync
DI
PCM clock
DI
PCM data input
DO
PCM data output
I/O
Description
AIO
Main antenna interface
The shared interface for
AIO
Bluetooth and Wi-Fi
Scan
Interface*
I/O
Description
DO
Generic RF Controller
DO
I/O
Description
DO
SPI clock
DO
SPI chip select
LTE Standard Module Series
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
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
V
max = 0.45 V
OL
V
min = 1.35 V
OH
DC Characteristics
DC Characteristics
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
connection of
multiple
peripherals
except for codec
IC
Comment
1.8 V power
domain.
If unused, keep it
open.
Support slave
mode only.
Comment
50 Ω impedance
50 Ω impedance.
If unused, keep it
open
Comment
If unused, keep it
open.
Comment
Master mode
only.
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