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