AN2687 Freescale Semiconductor / Motorola, AN2687 Datasheet - Page 28

• Manufacturer Part Number: AN2687
• Description: BLDC Fan Control using the MC68HC908QT2
• Manufacturer: Freescale Semiconductor / Motorola

AN2687/D
LVISR:
; bit numbers for use in BCLR, BSET, BRCLR, and BRSET
LVIOUT:
; bit position masks
mLVIOUT:
;****
;*
COPCTL:
Listing for
Evaluation Demo
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* Motorola Semiconductors (H.K.) Ltd.
* 8/16 bit MCU - Application
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* Include File
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* Disclaimer of All Warranties & Liabilities :
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This Program is a freeware to demonstrate the operation of HC08 micro-
controller. In no event will Motorola be liable for any damages, or any
incidental or consequential damages arising out of the use of or
inability to use this program. User agrees that Motorola does not make
any warranties of any kind that the program does not or will not
infringe any copyright, patent, trade secret or other intellectual
property right of any third party in any country.
Computer Operating Properly (COP)
equ
equ
equ
equ
:
:
:
:
:
:
:
: This reference demo is the +12V variable speed thermal
control BLDC fan with thermal and motor locking protection
features.
- thermal protection: the alarm will be turn on if the
- motor locking protection: the alarm also will be
$FE0C
7
%10000000
$FFFF
QT2BLDCEVAL.asm
Thermal Control DC Fan Control Reference Code
MC68HC908QT2
P&E Microcomputer Systems - CASM08Z
MC68HC908QT4.equ
T.C. Lun
DD/MM/YY
10/12/03
corresponding thermal value excess the define value.
turn on when the motor will stop immediately.
Freescale Semiconductor, Inc.
BLDC Fan Control using the MC68HC908QT2
For More Information On This Product,
Rev.
1.0
;LVI status register
;LVI output bit
;LVI output bit
;COP control register
Go to: www.freescale.com
Modified comments
Initial release
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(v3.16)
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MOTOROLA