3 Essential Controls
The goal of this section is to help customers spin their motor successfully in closed loop. This section provides
standardized steps to tune parameters for successful Motor spin-up in closed loop.
Closed loop is defined as the sensorless closed loop where motor spins at the commanded speed.
3.1 Recommended Default Values
Launch the MCF8316A EVM GUI. Load the recommended default values that are listed in
.
Table 3-1. Recommended Default Values
Address Name
Address
Recommended Value
ISD_CONFIG
0x00000080
0x44638C20
REV_DRIVE_CONFIG
0x00000082
0x283AF064
MOTOR_STARTUP1
0x00000084
0x0B6807D0
MOTOR_STARTUP2
0x00000086
0x23066000
CLOSED_LOOP1
0x00000088
0x0C3181B0
CLOSED_LOOP2
0x0000008A
0x1AAD0000
CLOSED_LOOP3
0x0000008C
0x00000000
CLOSED_LOOP4
0x0000008E
0x0000012C
SPEED_PROFILES1
0x00000094
0x00000000
SPEED_PROFILES2
0x00000096
0x00000000
SPEED_PROFILES3
0x00000098
0x00000000
SPEED_PROFILES4
0x0000009A
0x00000000
SPEED_PROFILES5
0x0000009C
0x00000000
SPEED_PROFILES6
0x0000009E
0x00000000
FAULT_CONFIG1
0x00000090
0x5FE80206
FAULT_CONFIG2
0x00000092
0x74000000
PIN_CONFIG
0x000000A4
0x00000000
DEVICE_CONFIG1
0x000000A6
0x00000000
DEVICE_CONFIG2
0x000000A8
0x0000B000
PERI_CONFIG1
0x000000AA
0x40000000
GD_CONFIG1
0x000000AC
0x00000100
GD_CONFIG2
0x000000AE
0x00200000
ALGO_CTRL1
0x000000EA
0x00000000
INT_ALGO_1
0x000000A0
0x00B3407D
INT_ALGO_2
0x000000A2
0x000001A7
3.2 Device and Pin Configuration
3.2.1 Speed Input Mode
MCF8316A provides four options to configure the input speed command.
• PWM input on SPEED pin by varying duty cycle of input signal
• Frequency input on SPEED pin by varying frequency of input signal
• Analog input on SPEED pin by varying amplitude of input signal
• Over I
2
C by configuring SPEED_CTRL
Essential Controls
6
MCF8316A Tuning Guide
SLLU335A – AUGUST 2021 – REVISED JANUARY 2022
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