AN2687 Freescale Semiconductor / Motorola, AN2687 Datasheet - Page 21

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

mPTBPUE2:
mPTBPUE1:
mPTBPUE0:
;****
;*
KBSCR:
; bit numbers for use in BCLR, BSET, BRCLR, and BRSET
KEYF:
ACKK:
IMASKK:
MODEK:
; bit position masks
mKEYF:
mACKK:
mIMASKK:
mMODEK:
KBIER:
; bit numbers for use in BCLR, BSET, BRCLR, and BRSET
AWUIE:
KBIE5:
KBIE4:
KBIE3:
KBIE2:
KBIE1:
KBIE0:
; bit position masks
mAWUIE
mKBIE5:
;Port A keyboard interrupt enable bit 4
mKBIE3:
mKBIE2:
mKBIE1:
mKBIE0:
;****
;*
INTSCR:
; bit numbers for use in BCLR, BSET, BRCLR, and BRSET
IRQF1:
ACK1:
IMASK1:
MODE1:
MOTOROLA
Keyboard Interrupt Module (KBI)
External Interrupt (IRQ)
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%00100000
%00000100
%00000010
%00000001
$1A
3
2
1
0
%00001000
%00000100
%00000010
%00000001
$1B
6
5
4
3
2
1
0
%01000000
%00001000
%00000100
%00000010
%00000001
$1D
3
2
1
0
Freescale Semiconductor, Inc.
BLDC Fan Control using the MC68HC908QT2
For More Information On This Product,
********************************************************
;Port A keyboard interrupt enable bit mKBIE4:
;Port B input pull up enable bit 2
;Port B input pull up enable bit 1
;Port B input pull up enable bit 0
;Keyboard status and control register
;Keyboard flag
;Keyboard acknowledge
;Keyboard interrupt mask
;Keyboard triggering sesitivity
;Keyboard flag
;Keyboard acknowledge
;Keyboard interrupt mask
;Keyboard triggering sesitivity
;Keyboard interrupt enable register
;Auto wake-up interrupt enable
;Port A keyboard interrupt enable bit 5
;Port A keyboard interrupt enable bit 4
;Port A keyboard interrupt enable bit 3
;Port A keyboard interrupt enable bit 2
;Port A keyboard interrupt enable bit 1
;Port A keyboard interrupt enable bit 0
;Auto wake-up interrupt enable
;Port A keyboard interrupt enable bit 3
;Port A keyboard interrupt enable bit 2
;Port A keyboard interrupt enable bit 1
;Port A keyboard interrupt enable bit 0
;IRQ status and control register
;IRQ flag
;IRQ interrupt request acknowledge
;IRQ interrupt mask
;IRQ edge/level select
Go to: www.freescale.com
*************************************************
APPENDIX B: CODE LISTINGS
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%00010000
AN2687/D
21