Motorola M68HC08 manual Hardware and Drive Specifications, High-Voltage Hardware Set Specification

Freescale Semiconductor, Inc.

Freescale Semiconductor, Inc.

		System Description
		System Specification
	Table 2-1. Software Specifications
Minimal BLDC
Motor		520 ∝s (with default software setting and COEF_HLFCMT =
Commutation
Period (with PC		0.450)
Master Software
Control)
		Software is prepared to run on three optional board and
		motor hardware sets:
		• High-voltage hardware set at variable line voltage
Targeted		115–230 Vac
		(software customizing file const_cust_hv.h)
Hardware
		• Low-voltage evaluation motor hardware set
		(software customizing file const_cust_evmm.h)
		• Low-voltage hardware set (software customizing file
		const_cust_lv.h)
		Configuration to one of the three required hardware sets is
		provided by inclusion of dedicated software customizing
		files. The software pack contains the files const_cust_hv.h,
		const_cust_lv.h, and const_cust_evm.h with predefined
Software		parameter settings for running on one of the optional board
		and motor hardware sets. The required hardware must be
Configuration		selected in code_fun.c file by one of these files #include.
and Parameters
		Where software is configuration for different customer
Setting
		motors, the software configuration for any motor is
		provided in the dedicated customizing file, according to the
		hardware board used.
		PWM frequency 15.626 kHz with default software setting,
		possibly changeable in const.h file

2.3.2 Hardware and Drive Specifications

The other system specifications are determined by hardware boards and motor characteristics. The boards and their connections are shown in Section 4. Hardware Design. and Section 6. User Guide, 6.4.1 Hardware Configuration. The hardware set specifications are discussed in the following subsections.

2.3.2.1 High-Voltage Hardware Set Specification

This hardware set is dedicated for medium power (phase current < 2.93 A) and main voltage. The specifications for a high-voltage hardware

DRM028 — Rev 0		Designer Reference Manual
MOTOROLA	System Description	19
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