BTM521 datasheet(10/21 Pages) BUDDIES

10 / 21 page

http://www.buddies-tech.com

BTM521 DATASHEET

strength internal pull-up/down

PIO_4

Bi-directional with programmable

strength internal pull-up/down

Programmable input/output line

PIO_5

Bi-directional with programmable

strength internal pull-up/down

Programmable input/output line

VBUS

Charger input

Lithium ion/polymer battery charger input

(4.5V~6.5V)

PWR

Analogue

Take high to enable high-voltage linear

regulator and switch-mode regulator

GND

Ground

Digital Ground

SPI_MISO

CMOS output, tri-state, with weak

internal pull-down

SPI data output

SPI_CSB

Input with weak internal pull-up

Chip select for Serial Peripheral Interface

(SPI),active low

SPI_CLK

Input with weak internal pull-down SPI clock

SPI_MOSI

CMOS input, with weak internal

pull-down

SPI data input

Reset

Input with weak internal pull-up

Input debounced so must be low for >5ms to

cause a reset.

PIO_9

Bi-directional with programmable

strength internal pull-up/down

Programmable input/output line

PIO_3

Bi-directional with programmable

strength internal pull-up/down

Programmable input/output line

PIO_2

Bi-directional with programmable

strength internal pull-up/down

Programmable input/output line

VBAT

VDD

Positive supply for BT Module(3.3V~4.2V)

GND

Ground

Digital Ground

RF_IO

RF out

GND

Ground

Digital Ground

GND

Ground

Digital Ground

BTM521 データシート(PDF) 10 Page - BUDDIES TECHNOLOGY LIMITED.

BTM521 データシート(HTML) 10 Page - BUDDIES TECHNOLOGY LIMITED.

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

データシートダウンロード

リンク URL

BTM521 データシート(PDF) 10 Page - BUDDIES TECHNOLOGY LIMITED.

BTM521 データシート(HTML) 10 Page - BUDDIES TECHNOLOGY LIMITED.

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

データシート ダウンロード

リンク URL

データシートダウンロード