Becom CM-BF527, Руководство пользователя по оборудованию

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© BECOM Systems 2020
Hardware User Manual - CM-BF527
Last change: 26. March 2019/Version 7
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3 Specifications
3.1 Electrical Specifications
3.1.1 Maximum Ratings
Stressing the device above the rating listed in the absolute maximum ratings table may cause permanent damage
to the device. These are stress ratings only. Operation of the device at these or any other conditions greater than
those indicated in the operating sections of this specification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
Symbol Parameter Min Max Unit
V
IO
Input or output voltage -0.5 3.6 V
V
IN
Input supply voltage 3.0 5.5 V
I
OH
/I
OL
Current per pin 0 10 mA
T
AMB
Ambient temperature -40 85 °C
T
STO
Storage temperature -55 150 °C
T
SLD
Solder temperature for 10 seconds 260 °C
φ
AMB
Relative ambient humidity 90 %
Table 3-1: Absolute maximum ratings
3.1.2 Operating Conditions
Symbol Parameter Min Typical Max Unit
V
IN
Input supply voltage 3.0 3.3 3.6 V
I
3V3
1)
3.3V current - 350 - mA
V
OH
High level output voltage 2.4 - - V
V
OL
Low level output voltage - - 0.4 V
I
IH
IO input current - - 10 µA
I
OZ
Three state leakage current - - 10 µA
I
RTC
V
RTC
current - 20 - µA
I
USB_FS
V
USB
current in low/full speed mode - 9 - mA
I
USB_HS
V
USB
current in high speed mode - 25 - mA
f
CCLK
Core clock frequency 400 - 600 MHz
Table 3-2: Electrical characteristics
Note 1) Average load @ 25°C ambient temperature