NetduinoPlus2 Netduino, NetduinoPlus2 Datasheet - Page 122

• 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

Electrical characteristics
122/180
Table 62.
1. V
Ethernet characteristics
Table 63
Table 63.
1. All the voltages are measured from the local ground potential.
Table 64
and
Figure 45. Ethernet SMI timing diagram
Table 64.
1. TBD stands for “to be defined”.
Control in (ULPI_DIR) setup time
Control in (ULPI_NXT) setup time
Control in (ULPI_DIR, ULPI_NXT) hold time
Data in setup time
Data in hold time
Control out (ULPI_STP) setup time and hold time
Data out available from clock rising edge
t
t
t
t
Symbol
MDC
d(MDIO)
su(MDIO)
h(MDIO)
Input level
DD
Figure 45
= 2.7 V to 3.6 V and T
Symbol
shows the Ethernet operating voltage.
gives the list of Ethernet MAC signals for the SMI (station management interface)
ETH_MDC
ETH_MDIO(O)
ETH_MDIO(I)
MDC cycle time (1.71 MHz, AHB = 72 MHz)
MDIO write data valid time
Read data setup time
Read data hold time
ULPI timing
Ethernet DC electrical characteristics
Dynamics characteristics: Ethernet MAC signals for SMI
shows the corresponding timing diagram.
V
DD
Parameter
Ethernet operating voltage
A
= –40 to 85 °C.
Rating
Doc ID 022152 Rev 3
Parameter
t
d(MDIO)
t
t
su(MDIO)
MDC
Symbol
t
t
t
t
t
t
SC
SD
HD
DC
DD
HC
TBD
TBD
TBD
TBD
Min
STM32F405xx, STM32F407xx
Min.
Min.
0
-
-
-
-
-
TBD
TBD
TBD
TBD
Typ
2.7
Value
(1)
t
h(MDIO)
(1)
(1)
Max.
10.7
Max.
2.0
1.5
2.0
9.2
-
-
Max
TBD
TBD
TBD
TBD
3.6
ai15666c
(1)
Unit
Unit
ns
Unit
ns
ns
ns
ns
V