ZHCSJU5B February 2019 – May 2021 CC3135
PRODUCTION DATA
The external serial Flash stores the user profiles and firmware patch updates. The CC3135 device acts as a master in this case; the SPI serial Flash acts as the slave device. This interface can work up to a speed of 20 MHz.
Figure 8-16 shows the SPI Flash interface.
Table 8-22 lists the SPI Flash interface pins.
PIN NAME | DESCRIPTION |
---|---|
FLASH_SPI_CLK | Clock (up to 20 MHz) CC3135 device to serial Flash |
FLASH_SPI_CS | CS signal from CC3135 device to serial Flash |
FLASH_SPI_MISO | Data from serial Flash to CC3135 device |
FLASH_SPI_MOSI | Data from CC3135 device to serial Flash |