User Guide

ME310G1 Hardware Design Guide
1VV0301588 Rev. 11 Page 20 of 91 2021-03-16
Pin
Signal
I/O
Function
Type
Comment
R16
DAC
O
Digital To Analog
converter Output
D/A
PWM signal
RF Section
A5
CELL_MAIN ANTENNA
I/O
Main Antenna (50
ohm)
RF
E19
GNSS ANTENNA
I
GNSS Antenna
RF
GNSS_PPS
H18
GNSS_LNA_EN
O
GNSS external
LNA enable
CMOS 1.8V
G16
GNSS_PPS
O
1 Pulse per Second
CMOS 1.8V
Miscellaneous Functions
B2
S_LED
O
Status LED
CMOS 1.8V
N16
ON_OFF*/WAKE*
I
Input Command
for Power ON/OFF
and to wake from
deep sleep mode
CMOS 1.8V
Active Low
R1
PWRMON
O
Power ON Monitor
CMOS 1.8V
T2
FORCED_USB_BOOT
I
Optional pin,
connect to test
CMOS 1.8V
Active high,
point
Internal PD
(100K)
Audio Section
C1
DVI_WA0
I/O
Digital Audio
Interface (WA0)
CMOS 1.8V
D2
DVI_RX
O
Digital Audio
Interface (RX)
CMOS 1.8V
E1
DVI_TX
I
Digital Audio
Interface (TX)
CMOS 1.8V
F2
DVI_CLK
I/O
Digital Audio
Interface (CLK)
CMOS 1.8V
Power Supply
W1
VBATT_PA
-
Main power supply
(Radio PA)
Power
AA3
VBATT
-
Main power supply
(Baseband)
Power
N4
CTANK
-
Internal supply
domain pin for
external tank
capacitor
1.8V