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BTM521 データシート(PDF) 9 Page - BUDDIES TECHNOLOGY LIMITED.

部品番号 BTM521
部品情報  Bluetooth Module
PDF  21 Pages
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メーカー  BUDDIES [BUDDIES TECHNOLOGY LIMITED.]
ホームページ  http://www.buddies-tech.com/
Logo BUDDIES - BUDDIES TECHNOLOGY LIMITED.

BTM521 データシート(HTML) 9 Page - BUDDIES TECHNOLOGY LIMITED.

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BTM521 DATASHEET
9
3.1 Pin Description
Pin#
Pin Name
Pad Type
Description
1
MIC_AN
Analogue
Microphone input negative, left
2
MIC_AP
Analogue
Microphone input positive, left
3
MIC_BN
Analogue
Microphone input negative, right
4
MIC_BP
Analogue
Microphone input positive, right
5
MIC_BIAS
Analogue
Microphone bias
6
AIO_0
Bi-directional
VDD/Low-voltage regulator output
Analogue programmable input/ output line
circuitry and 1.5V regulated output (from
internal low-voltage regulator)
7
AIO_1
Bi-directional
VDD/Low-voltage regulator output
Analogue programmable input/ output line
circuitry and 1.5V regulated output (from
internal low-voltage regulator)
8
+1V8
Power
High-voltage linear regulator output (1.8V
out)
9
NC
NC
NC
10
UART_RX
CMOS input with weak internal
pull-down
UART data input
11
UART_RTS
Bi-directional CMOS output,
tri-state, with weak internal
pull-up
UART request to send active low
12
UART_TX
Bi-directional CMOS output,
tri-state, with weak internal
pull-up
UART data output
13
UART_CTS
CMOS input with weak internal
pull-down
UART clear to send active low
14
GND
Ground
Digital Ground
15
LED_0
Open drain output
LED driver
16
LED_1
Open drain output
LED driver
17
PIO_11
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
18
PIO_12
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
19
PIO_13
Bi-directional with programmable
strength internal pull-up/down
Programmable input/output line
20
PIO_14
Bi-directional with programmable
Programmable input/output line



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