SLLU360 December 2022
The MCT8317EVM includes a variety of user-selectable jumpers, switches, and resistors on the entirety of the evaluation board to configure settings. Table 4-2 summarizes all of these configurable settings.
| Designator | Setting Name | Description | Layer | Position | Function |
|---|---|---|---|---|---|
| J5 | 3V3_SEL | Select 3.3 V for MCU power | Top | J5 = 3V3EXT | External |
| J5 = 3V3COM | From FTDI (30 mA) | ||||
| J3 | 5V_SEL | Select 5 V for FTDI power | Top | J3 = 5V_EXT | External |
| J3 = 5V_USB | From USB power (500 mA) | ||||
| J1 | SPEED_SEL | Selects SPEED input source | Top | J1 = EXT | External EXT_SPEED test point |
| J1 = POT | From Potentiometer R4 | ||||
| J1 = INT_PWM | From internal PWM. PWM Duty cycle can be varied by rotating the POT R4. | ||||
| J6 | MSP to MCx Shunt jumper bridge | Connects signals from MCU and user switches to MCx8316A when jumpers are inserted | Top | NC | NC |
| DIR_SW | DIR | ||||
| BRAKE_SW | BRAKE | ||||
| SPEED_IN | SPEED/WAKE | ||||
| MSP_SOMI/SCL | MCx_SCL | ||||
| MSP_SIMO/SDA | MCx_SDA | ||||
MSP_CLK | NC | ||||
| MSP_STE | NC | ||||
| MSP_A3 | DACOUT2/SOX | ||||
| MSP_A2 | DACOUT2 | ||||
MSP_A1 | DACOUT1 | ||||
MSP_ALARM | ALARM | ||||
MSP_nFAULT | nFAULT | ||||
MSP_FGOUT | FGOUT | ||||
NC | NC | ||||
AGND | AGND | ||||
S1 | BRAKE | Turns on all low-side MOSFETs | Top | Left | Brake enabled |
| Right | Brake disabled | ||||
| S2 | DIR | Controls direction of motor | Top | Left | ABC |
Right | ACB |