SLLU384 July 2024
The MCF8315PWPEVM includes a variety of user-selectable jumpers, switches, and resistors on the entirety of the evaluation board to configure settings. Table 3-2 summarizes all of these configurable settings.
Designator | Jumper Setting Name | Description | Layer | Position | Function |
---|---|---|---|---|---|
L1/L2/R7 | Buck Regulator mode | User populates L1, L2, or R7 to choose switching component for buck regulator | Top | L1 = 47uH Inductor | Inductor Mode |
Bottom | L2 = 22 μH | Inductor Mode | |||
Bottom | R7 = 22 Ω | Resistor Mode | |||
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 = PWM | On-board PWM from MSP430 | ||||
J6 | MSP to MCx Shunt jumper bridge | Connects signals from MCU and user switches to MCx8315 when jumpers are inserted | Top | DRVOFF_SW | DRVOFF |
NC | NC | ||||
BRAKE_SW | BRAKE | ||||
SPEED_IN | SPEED | ||||
MSP_SCL | SCL | ||||
MSP_SDA | SDA | ||||
MSP_CLK | NC | ||||
MSP_STE | NC | ||||
MSP_A3 | NC | ||||
MSP_A2 | NC | ||||
MSP_A1 | NC | ||||
MSP_P3.2 | NC | ||||
MSP_nFAULT | nFAULT | ||||
MSP_FG | FGOUT | ||||
NC | VBK | ||||
AGND | AGND | ||||
S1 | BRAKE | Turns on all low-side MOSFETs | Top | Left | Brake enabled |
Right | Brake disabled | ||||
S2 | DRVOFF | Disables gate drivers | Top | Left | MCF8315 FETs disabled |
Right | MCF8315 FETs enabled |