BTM41 datasheet(10/18 Pages) BUDDIES

10 / 18 page

http://www.buddies –tech.com

BTM41 DATASHEET

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)

UART_RX

CMOS input with weak internal

pull-down

UART data input

UART_TX

Bi-directional CMOS output,

tri-state, with weak internal pull-up

UART data output

UART_RTS

Bi-directional CMOS output,

tri-state, with weak internal pull-up

UART request to send active low

UART_CTS

CMOS input with weak internal

pull-down

UART clear to send active low

USB_DP

Bi-directional

USB data plus with selectable internal

1.5k

pull-up resistor

USB_DN

Bi-directional

USB data minus

PIO_1

Bi-directional with programmable

strength internal pull-up/down

Programmable input/output line

PIO_0

Bi-directional with programmable

strength internal pull-up/down

Programmable input/output line

PIO_9

Bi-directional with programmable

strength internal pull-up/down

Programmable input/output line

PIO_10

Bi-directional with programmable

strength internal pull-up/down

Programmable input/output line

SPI_MISO

CMOS output, tri-state, with weak

internal pull-down

SPI data output

SPI_MOSI

CMOS input, with weak internal

pull-down

SPI data input

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