User's Manual

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Table Of Contents

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Bluetooth Transmit Data Module

Shanghai Ehong Technologies Inc

24 USB_D+ Bi-directional

USB data plus with selectable internal

1.5K pull-up resistor

25 USB_D- Bi-directional USB data minus

26 PIO2

Bi-directional with

programmable strength

internal pull-up/down

Programmable input/output line

27 PIO3

Bi-directional with

programmable strength

internal pull-up/down

Programmable input/output line

28 PIO5

Bi-directional with

programmable strength

internal pull-up/down

Programmable input/output line

29 PIO4

Bi-directional with

programmable strength

internal pull-up/down

Programmable input/output line

30 SPI_CSB

CMOS input with weak

internal pull-up

Chip select for Synchronous Serial

Interface active low

31 SPI_MISO

CMOS output, tri-state, with

weak internal pull-down

Serial Peripheral Interface data output

32 AIO0 Bi-directional Programmable input/output line

Table 1：

PIN

Terminal Description