User Manual

ZTK7628P-core-board manual Hangzhou Jotale Technology Co., Ltd www.jotale.com
supply DC 3.3V
input pin. Note:
it is only
necessary to
connect when
use the external
flash burner. It
is usually not
connect
26 SPI_CLK GPIO7 N/A N/A Internally
connect 10K
pull-up
resistance to
3.3V, default as
SPI_CLK
27 GND N/A N/A N/A GND
28 SPI_MOSI GPIO8 N/A N/A Internally
connect 10K
pull-down
resistance to
GND, default as
SPI_MOSI
29 SPI_MISO GPIO9 N/A N/A Default as
SPI_MISO
30 GPIO11 GPIO11 REF_CLK_O PERST_N Default as
REF_CLK_O
31 SPI_CS0 GPIO10 N/A N/A Default as
SPI_CS0，used
by system for
flash control,
can be used for
flash burning
32 UART_RXD0 GPIO13 N/A N/A Default as
UART_RXD0，
system debug
uart port
33 UART_TXD0 GPIO12 N/A N/A Internally
connect 10K
pull-down
resistance to
GND, default as
UART_TXD0，
system debug
uart port