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MDBT50Q-RX 数据表(PDF) 19 Page - List of Unclassifed Manufacturers

部件名 MDBT50Q-RX
功能描述  Bluetooth Low Energy Module
PDF  75 Pages
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制造商  ETC2 [List of Unclassifed Manufacturers]
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标志 ETC2 - List of Unclassifed Manufacturers

MDBT50Q-RX 数据表(HTML) 19 Page - List of Unclassifed Manufacturers

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19
Pin No.
Name
Pin function
Description
(55)
GND
Power
Ground
(56)
P1.04
Digital I/O
General-purpose I/O
(standard drive, low frequency I/O only)
(57)
P1.06
Digital I/O
General-purpose I/O
(standard drive, low frequency I/O only)
(58)
P1.07
Digital I/O
General-purpose I/O
(standard drive, low frequency I/O only)
(59)
P1.05
Digital I/O
General-purpose I/O
(standard drive, low frequency I/O only)
(60)
P1.03
Digital I/O
General-purpose I/O
(standard drive, low frequency I/O only)
(61)
P1.01
Digital I/O
General-purpose I/O
(standard drive, low frequency I/O only)
2.6.
GPIO Located Near the Radio
Please refer to 2.5 Pin Assignment on page 16 to 18 where identifies some GPIO that have
recommended usage. To maximize RF performance, these GPIO are only available to use
under standard drive, low frequency I/O only, wrong usage may lead to undesirable
performance.
Low frequency I/O is a signal with a frequency up to 10 kHz. SPI, I2C, UART, PWM are
NOT low frequency I/O.
3. Main Chip Solution
RF IC
Crystal Frequency
Nordic NRF52840
32MHZ
32MHz crystal and RF (VDD) DC/DC inductor (Reg1)
are already inside the module.



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