ZHCSJB5B September 2019 – December 2019 DRV8904-Q1 , DRV8906-Q1 , DRV8908-Q1 , DRV8910-Q1 , DRV8912-Q1
UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.
SPI bus is used to set device configurations, operating parameters, and read out diagnostic information on the DRV89xx-Q1 device. The SPI operates in slave mode and connects to a master controller. The SPI input data (SDI) word consists of a 16 bit word, with an 8 bit command and 8 bits of data. The SPI output data (SDO) word consists of 8 bit register data and the first 8 bits make up the Status Register with Fault Status indication. The data sequence between the MCU and the SPI slave driver is shown in Figure 61.
Figure 61. SPI Data Frame A valid frame must meet the following conditions: