FRIENDCOM WSN27-915R Podręcznik użytkownika - Strona 5

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15
TXD5
16
RXD5
17
MODE
18
SWIO
19
SWCLK
20
GND
21
TXD4
22
RXD4
23
SDA
24
SCL
25
SPI_MOSI
26
SPI_MISO
27
SPI_CLK
28
SPI_CSN
29
IOB8
30
GND
31
+5V
32
GND

4 SIZE DESCRIPTION

The specific dimensions of the module are shown in the figure below：
Indicator
IO Port
IO Port
Internal pull-up, MODE=0: Debug mode MODE=1: Normal
Mode Select
IO Port
IOPort
Power Gnd
IO Port
IO Port
IO Port
IO Port
IO Port
IO Port
IO Port
IO Port
IO Port
Power Gnd
Power Supply
Power Gnd
Expansion port, connecting SRAM HOLD pin of external
Expansion port, connecting SRAM WP pin of external
Data signal of debug port
Clock signal of debug port
Connect to power ground
NC, extended standby
NC, extended standby
NC, extended standby
NC, extended standby
Connect SPI of external equipment_ MOSI pin
Connect SPI of external equipment_ MISO pin
Connecting SPI of external equipment_ CLK foot
Connecting SPI of external equipment_ CSN pin
SRAM CSN, connect CS pin of external SRAM
Power supply ground
Positive pole of power supply, PA power supply, the load
current of power supply is required to be at least 1A
Power supply ground
equipment
equipment
mode
5