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Chengdu Ebyte Electronic Technology Co.,Ltd
2.2 Size and pin definition
Pin No.
Pin item
1
GND
2
AIO0
3
PIO4
4
PIO16
5
PIO3
6
SPI-PCM
7
PIO2
8
PIO17
9
PIO5
10
RST
11
LED1
12
LED0
13
LED2
Chengdu Ebyte Electronic Technology Co.,Ltd
Copyright ©2012–2019，
Pin direction
P
Ground, connect to power reference ground
I/O
Analog programmable I/O pin 0 (reserved function)
I/O
SPI-CS debug load pin
I/O
Module audio output indication pin, high level is effective
I/O
SPI-MISO debug load pin
I
SPI / PCM input selection, 0 = PCM / PIO interface, 1 = SPI
I/O
SPI-MOSI debug load pin
I/O
AUX input trigger pin (reserved function)
I/O
SPI-CLK debug load pin
I
Module reset pin, pull down for 5ms to trigger reset
O
Bluetooth status indication LED1 driver output
O
Bluetooth status indication LED0 driver output
O
Bluetooth status indication LED2 driver output
E104-BT30 User Manual
Application
2-4
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