Sierra Wireless AirPrime HL77 Series, Технические характеристики продукта

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41110555 Rev 1.0 November 01, 2017 27
Product Technical Specification Detailed Interface Specifications
Refer to the following table for the electrical characteristics of the USB interface.
Table 16. USB Electrical Characteristics
Parameter Minimum Typical Maximum Units
Input voltage at pins USB_D+ / USB_D- 3.15 3.3 3.45 V
3.6. Electrical Information for Digital I/O
The table below enumerates the electrical characteristics of the following digital interfaces:
• UART
•
PCM
• JTAG
• GPIOs
•
RESET
•
PWM
• WAKE_UP
Table 17. Digital I/O Electrical Characteristics
Parameter Description Minimum Typical Maximum Units
V
IH
Logic High Input Voltage 0.85 x VDDIO* VDDIO* + 0.3 V
V
IL
Logic Low Input Voltage -0.3 0.25 x VDDIO* V
I
IH
/ I
IL
Input Leakage Current (either
Low or High, and No Pull
enabled)
0.03 µA
V
OH
Logic High Output Voltage VDDIO* – 0.45 VDDIO* V
V
OL
Logic Low Output Voltage 0 0.8 V
I
OH
/ I
OL
Output Leakage Current
(either Low or High) – assume
no external load
0.03 µA
R
PU
Internal Pull Down Resistor 53 89 164 KΩ
R
PD
Internal Pull Up Resistor 54 96 189 KΩ
Input
Capacitance
Input Pin Capacitance 7 pF
* VDDIO = VGPIO = 1.8V.