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Chengdu Ebyte Electronic Technology Co.,Ltd
RAM
Kernel
Dimension
Antenna Interface
Product weight
Chapter 3 Mechanical Dimensions and Pin Definition
Pin No.
Name
1
PB04
2
PB03
3
TXD
4
RXD
5
PB00
6
PA00
Copyright ©2012–2020，Chengdu Ebyte Electronic Technology Co.,Ltd
32KB
ARM®Cortex®-M33
23*16mm
PCB
1.25g
Function
I/0
I/0
0
I
I/0
Mode configuration: the module enters configuration mode when the
input is held low for more than 200ms; the module enters
MOD
pass-through mode when the input is held high for more than 200ms.
(This pin has internal pull-up and works in pass-through mode by
Equivalent impedance about 50Ω
±0.2g
Notes
GPIO
GPIO
Module serial port transmitter
Receiver side of module serial port
GPIO
default)
E104-BT53C3 Manual User
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7
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