Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved
FIBOCOM L610-LA Series Hardware Guide
Page 18 of
49
Pin
Pin Name
I/O Level
Reset
Value
Description
65
CTS
I
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
L
Module clear to send
Left floating when not in use
66
DTR
*
I
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
L
DTE ready
Left floating when not in use
67
TXD
O
V
OL
max=0.45V
V
OH
min=1.35V
Module Transmit data
Left floating when not in use
68
RXD
I
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
Module Receive data
Left floating when not in use
69
USB_DP
I/O
USB signal DP
Left floating when not in use
70
USB_DM
I/O
USB signal DM
71
USB_VBUS
PI
Vmax=5.25V
Vnorm=5.0V
USB plug detection
Left floating when not in use
72
GND
G
-
Ground
73
SPK_P
O
SPK_P
Left floating when not in use
74
SPK_N
O
SPK_N
Left floating when not in use
75
MIC_P
I
MIC_P
Left floating when not in use
76
GND
G
Ground
77
MIC_N
I
MIC_N
Left floating when not in use
78
KEYIN1
I
KEYIN1
Left floating when not in use
79
KEYIN2
I
KEYIN2
Left floating when not in use
80
KEYIN3
I
KEYIN3
Left floating when not in use