MDBT50Q-RX datasheet(19/75 Pages) ETC2

19 / 75 page

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.

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

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

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