SLLA605 april   2023 MCF8315A , MCF8316A

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2Comparison Among the MCF8316A and MCF8315A
    1. 2.1 Hardware Comparison
    2. 2.2 Algorithm Features Comparison
    3. 2.3 EEPROM Register Map Comparison
    4. 2.4 RAM Register Map Comparison
    5. 2.5 RAM Algorithm Variable Register Map Comparison
  5. 3References

2.2 Algorithm Features Comparison

The additional algorithm features of MCF8315A over MCF8316A and improvements are tabulated in Table 2-2.

Table 2-2 Algorithm Features Comparison
Sl No. Algorithm Firmware Feature MCF8316A MCF8315A Remarks
1 Alarm pin functionality Not available Available Additional feature
2 DACOUT 1 and DACOUT 2 Not available Available Additional feature
3 Current based brake option in motor startup sequence Not available Available Additional feature
4 In torque mode, the current reference can be given through duty command input Torque mode option in analog and PWM speed input mode Not available Available Additional feature
5 Active braking exit limit feature Not available Available Additional feature
6 FG configuration in fault state Not available Available Additional feature
7 FG configuration in idle state/motor stop Not available Available Additional feature
8 DC bus voltage filter Always Enable Configurable Additional feature
9 FG angle interpolation Configurable Always enable Minimizes tuning effort
10 MTR_STOP_BRK_TIME The minimum brake time options for less than 1 mS are not functional Minimum brake time can be configured from 1 mS Removed the brake time options for 0.1 mS, 0.25 mS, 0.5 Ms
12 Vdc filter Always enabled Configurable.
Can be enabled or disabled		 Additional feature
13 ABNORMAL_BEMF_THR Configurable from 10% to 80% Configurable from 40% to 70% Improved BEMF fault detection
14 Hardware lock detection current limit deglitch time Configurable from 1 µS to 15 µS Configurable from 1 µS to 7 µS Improvement in feature
15 Duty Hysteresis Not available Hysteresis around the Minimum duty cycle input Additional feature
16 PWM speed input from 95 kHz to 100 kHz Errata Functional Improvement in feature
17 Continuous refresh with GUI does not work when motor is running Errata Functional Functionality fix