NetduinoPlus2 Netduino, NetduinoPlus2 Datasheet - Page 121

• Manufacturer Part Number: NetduinoPlus2
• Description: Development Boards & Kits - ARM NETDUINO PLUS 2
• Manufacturer: Netduino

Specifications of NetduinoPlus2

• Rohs: yes
• Product: Development Boards
• Tool Is For Evaluation Of: STM32F405RG
• Core: ARM Cortex M4
• Interface Type: I2C, SPI, UART, USB
• Operating Supply Voltage: 7.5 v to 9 V
• Data Bus Width: 32 bit
• Description/function: Arduino form factor
• Dimensions: 2.8 in x 2.1 in
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C

STM32F405xx, STM32F407xx
USB HS characteristics
Table 60
Table 60.
1. All the voltages are measured from the local ground potential.
Table 61.
1. Guaranteed by design, not tested in production.
Figure 44. ULPI timing diagram
f
USB HS interface
Frequency (first transition)
Frequency (steady state) ±500 ppm
Duty cycle (first transition)
Duty cycle (steady state) ±500 ppm
Time to reach the steady state frequency and
duty cycle after the first transition
Clock startup time after the
de-assertion of SuspendM
PHY preparation time after the first transition
of the input clock
HCLK
Input level
value to guarantee proper operation of
Symbol
shows the USB HS operating voltage.
USB HS DC electrical characteristics
USB HS clock timing parameters
Parameter
V
DD
USB OTG HS operating voltage
8-bit ±10%
8-bit ±10%
Peripheral
Host
Doc ID 022152 Rev 3
Parameter
F
F
D
D
T
T
T
T
START_8BIT
STEADY
STEADY
START_DEV
START_HOST
PREP
START_8BIT
STEADY
Symbol
(1)
49.975
59.97
Min
30
54
40
-
-
-
-
Electrical characteristics
Min.
2.7
Nominal
(1)
60
60
50
50
-
-
-
-
Max.
50.025
60.03
3.6
Max
1.4
5.6
66
60
-
-
(1)
121/180
MHz
MHz
MHz
Unit
Unit
ms
ms
µs
%
%
V