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