Hardware Development Guide of Module Product
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35
MF206A
Figure 3–4 USB Typical Circuit Application
3.8
SPI (Serial Peripheral Interface) Bus Interface
3.8.1
Description of PINs
The definition of SPI interface signaling is defined as shown in Table 3-8.
Table 3–8 Definition of SPI Signal
PIN No.
Pin Name
I/O Type
Signal Description
39
SPI_ CS_N
O
SPI segment
40
SPI_ CLK
O
SPI clock
41
SPI_MISO_DATA B
Main input, slave output
42
SPI_MOSI_DATA B
Main input, slave output
3.8.2
Electric Feature
The SPI bus is configured as the master equipment, and there are three modes for SPI:
Running mode: Basic running mode.