Table of Contents
Advertisement
UART DC Electrical Characteristics
Symbol
V
High-level
IH
input voltage
V
IL
Low-level
input voltage
I
OH
High-level
output
current
I
OL
Low-level
output
current
Absolute Maximum Rating
Parameter
VCC Voltage
J65 Pin 1 Voltage
#RESET, #RTS, #RXD, #TXD, #RI,
#DSR, #CTS, #DCD, #DTR Voltage
#LED_LINK sink current
USB_VBUS Voltage
J70 Pin 1 Voltage
USB_DP, USB_DN Voltage
J65 Pins 2 & 3, J70 Pins 2 & 3
®
SocketModem
Cell MTSMC-L4G1 Device Guide
Applicable
VCC (V)
Signals
#RESET, #RTS,
3.0 to 3.6
#TXD, #DTR
4.5 to 5.3
USB_VBUS
3.0 to 5.3
#RESET, #RTS,
3.0 to 3.6
#TXD, #DTR
4.5 to 5.3
USB_VBUS
3.0 to 5.3
#RXD, #RI, #DSR,
3.0 to 3.6
#CTS, #DCD
4.5 to 5.3
#RXD, #RI, #DSR,
3.0 to 3.6
#CTS, #DCD
4.5 to 5.3
Minimum
-0.3V
GND - 0.3V
--
GND - 0.3V
GND - 0.3V
GND - 0.3V
Minimum
Maximum
2
-
VCC × 0.7
-
VCC × 0.7
-
-
0.8
-
VCC × 0.3
-
VCC × 0.3
-
-24
-
-32
-
24
-
32
Maximum
5.3V
5.3V
50mA
5.3V
3.3V
2.3V
SPECIFICATIONS
Unit
V
V
V
V
V
V
mA
mA
mA
mA
11
Advertisement
Table of Contents
