Boosterpack Gpio Signals; Drv8305 Status And Control Registers; Enable System - Texas Instruments BOOSTXL-DRV8305EVM User Manual

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5.3

BoosterPack GPIO Signals

The Motor Drive BoosterPack brings out the GPIO signals for the DRV8301 to the LaunchPad XL. These
signals are described in detail in the following list and further information can be found in the DRV8301
data sheet.
1. nFAULT: Fault indicator, specific FAULT status can be obtained through the status registers
2. PWRGD: Watchdog and LDO regulator status indicator
3. EN_GATE: Enables gate driver and current shunt amplifiers
4. WAKE: Used to bring the device out of its low power sleep mode.
5.4

DRV8305 Status and Control Registers

The DRV8305 provides extensive fault reporting and device configuration through an SPI interface and
internal registers. There are two categories of registers: status and control. Status registers provide
information about device faults and warnings. This information can include items ranging from IC
overtemperature to MOSFET overcurrent events. The control registers allow various device parameters to
be modified to suit system requirements. These parameters include but are not limited to gate drive
current, dead times, current shunt amplifier configurations, and fault reporting modes. For specific
information concerning the DRV8305 registers, refer to the data sheet (SLVSCX2).
The InstaSPIN GUI allows easy access to read and modify the DRV8305's internal registers. These can
be accessed on the DRV8305 tab of the InstaSPIN Universal GUI.
SLVUAI8A – August 2015 – Revised June 2017
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Figure 11. Enable System
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Detailed Hardware Description
BOOSTXL-DRV8305EVM User's Guide
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