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BTM521 数据表(PDF) 10 Page - BUDDIES TECHNOLOGY LIMITED.

部件名 BTM521
功能描述  Bluetooth Module
PDF  21 Pages
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制造商  BUDDIES [BUDDIES TECHNOLOGY LIMITED.]
网页  http://www.buddies-tech.com/
标志 BUDDIES - BUDDIES TECHNOLOGY LIMITED.

BTM521 数据表(HTML) 10 Page - BUDDIES TECHNOLOGY LIMITED.

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BTM521 DATASHEET
10
strength internal pull-up/down
21
PIO_4
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
22
PIO_5
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
23
VBUS
Charger input
Lithium ion/polymer battery charger input
(4.5V~6.5V)
24
PWR
Analogue
Take high to enable high-voltage linear
regulator and switch-mode regulator
25
GND
Ground
Digital Ground
26
SPI_MISO
CMOS output, tri-state, with weak
internal pull-down
SPI data output
27
SPI_CSB
Input with weak internal pull-up
Chip select for Serial Peripheral Interface
(SPI),active low
28
SPI_CLK
Input with weak internal pull-down SPI clock
29
SPI_MOSI
CMOS input, with weak internal
pull-down
SPI data input
30
Reset
Input with weak internal pull-up
Input debounced so must be low for >5ms to
cause a reset.
31
PIO_9
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
32
PIO_3
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
33
PIO_2
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
34
NC
NC
NC
35
VBAT
VDD
Positive supply for BT Module(3.3V~4.2V)
36
GND
Ground
Digital Ground
37
RF_IO
RF
RF out
38
GND
Ground
Digital Ground
39
GND
Ground
Digital Ground
40
NC
NC
NC
41
NC
NC
NC



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