Pin Definition - Ebyte E78-915LN22S (6601) User Manual

Chengdu Ebyte Electronic Technology Co., Ltd.

3.2 Pin Definition

pin number
1
2
3
4
5
6
7
8 UART_CTS
9 UART_RTS
10
11
12
13
14
15
16
17
18
19
20
twenty one
twenty two SWD_DATA
twenty three SWD_CLK
twenty four
25
26
27
28
For the pin definition, software driver and communication protocol of the module, please refer to the
Datasheet" ★
Copyright © 2012–20 2 1 , Chengdu Ebyte Electronic Technology Co., Ltd.
pin name Pin Orientation
GND -
VCC -
SETB -
DIO1 input Output
BUSY input Output
I2C_SDA input Output
I2C_SCL input Output
input Output
input Output
GND -
ANT -
GND -
GND -
GND -
GND -
XRES enter
ADC_IN enter
AUX input Output
SETA input Output
UART_RX input Output
UART_TX input Output
input Output
input Output
GND -
SPI_MISO input Output
SPI_NSS input Output
SPI_MOSI input Output
SPI_SCK input Output
pin usage
Ground wire, connected to the power reference ground
Power supply, range 2.5V~3.7V (It is recommended to add
external ceramic filter capacitors)
Low power wake-up pin
NC (reserved pin)
NC (reserved pin)
NC (reserved pin)
NC (reserved pin)
NC (reserved pin)
NC (reserved pin)
Ground wire, connected to the power reference ground
Antenna interface, stamp hole (50 ohm characteristic
impedance)
Ground wire, connected to the power reference ground
Ground wire, connected to the power reference ground
Ground wire, connected to the power reference ground
Ground wire, connected to the power reference ground
External reset pin
NC (reserved pin)
NC (reserved pin)
NC (reserved pin)
UART RX pin
UART TX pin
SWD Data pin
SWD Clock pin
Ground wire, connected to the power reference ground
SPI MISO test point, connected internally, cannot be used
as external SPI
SPI NSS test point, connected internally, cannot be used as
external SPI
SPI MOSI test point, connected internally, cannot be used
as external SPI
SPI SCK test point, connected internally, cannot be used as
external SPI
E78-915LN22S(6601) User Manual
"ASR6601
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