NetduinoPlus2 Netduino, NetduinoPlus2 Datasheet - Page 151

• 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
5.3.28
Figure 72. SD default mode
Table 86.
1. TBD stands for “to be defined”.
2. Refer to SDIO_CLKCR, the SDI clock control register to control the CK output.
RTC characteristics
Table 87.
CMD, D inputs (referenced to CK)
CMD, D outputs (referenced to CK) in MMC and SD HS mode
CMD, D outputs (referenced to CK) in SD default mode
Symbol
Symbol
t
t
W(CKH)
W(CKL)
t
t
t
t
OHD
t
OVD
f
ISU
t
OH
PP
OV
t
t
IH
-
-
r
f
SD / MMC characteristics
RTC characteristics
Clock frequency in data transfer
mode
SDIO_CK/f
Clock low time, f
Clock high time, f
Clock rise time
Clock fall time
Input setup time
Input hold time
Output valid time
Output hold time
Output valid default time
Output hold default time
f
PCLK1
/RTCCLK frequency ratio
D, CMD
(output)
CK
Parameter
PCLK2
Parameter
PP
PP
frequency ratio
Doc ID 022152 Rev 3
= 16 MHz
= 16 MHz
(1)
Any read/write operation
from/to an RTC register
C
t OVD
C
-
C
C
C
C
C
C
C
C
C
L
L
L
L
L
L
L
L
L
L
L
Conditions
≤ 30 pF
≤ 30 pF
≤ 30 pF
≤ 30 pF
≤ 30 pF
≤ 30 pF
≤ 30 pF
≤ 30 pF
≤ 30 pF
≤ 30 pF
≤ 30 pF
Conditions
(2)
t OHD
Electrical characteristics
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Min
-
-
-
-
-
Min
ai14888
4
Max
TBD
TBD
TBD
TBD
TBD
TBD
-
-
-
-
-
-
Max
151/180
-
MHz
Unit
ns
ns
ns
ns
-