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E78-864LN22S
7
10
GND
Input/output
Ground wire, connected to the power reference
ground
11
ANT
Input/output
Antenna interface, stamp hole (50 ohm
characteristic impedance)
12
GND
Input/output
Ground wire, connected to the power reference
ground
13
GND
Input/output
Ground wire, connected to the power reference
ground
14
GND
Input/output
Ground wire, connected to the power reference
ground
15
GND
Input/output
Ground wire, connected to the power reference
ground
16
XRES
Input/output
External reset pins
17
ADC_IN
Input
NC(reserve)
18
AUX
NC(reserve)
19
SETA
Input
NC(reserve)
20
UART_RX
UART RXD
21
UART_TX
UART TXD
22
SWD_DATA
SWD DATA
23
SWD_CLK
SWD CLK
24
GND
Ground wire, connected to the power reference
ground
25
SPI_MISO
Input/output
SPI MISO Test point, internally connected, cannot
act as an external SPI(act as Bootloader)
26
SPI_NSS
Input/output
SPI MISO Test point, internally connected, cannot
act as an external SPI
27
SPI_MOSI
Input/output
SPI MISO Test point, internally connected, cannot
act as an external SPI
28
SPI_SCK
Input/output
SPI MISO Test point, internally connected, cannot
act as an external SPI
★
For the pin definition, software driver and communication protocol of the module, please refer
to ASR official
《
ASR6601 Datasheet
》
★
3.3 Recommended connection diagram