AN2475 Freescale Semiconductor / Motorola, AN2475 Datasheet - Page 15

• Manufacturer Part Number: AN2475
• Description: Generating a PWM Signal Modulated by an Analog Input Using the MC68HC908QY4 Microcontroller
• Manufacturer: Freescale Semiconductor / Motorola

DDRB3:
DDRB2:
DDRB1:
DDRB0:
; bit position masks
mDDRB7:
mDDRB6:
mDDRB5:
mDDRB4:
mDDRB3:
mDDRB2:
mDDRB1:
mDDRB0:
PTAPUE:
; bit numbers for use in BLCR, BSET, BRCLR, and BRSET
OSC2EN:
PTAPUE5:
PTAPUE4:
PTAPUE3:
PTAPUE2:
PTAPUE1:
PTAPUE0:
; bit position masks
mOSC2EN:
mPTAPUE5:
mPTAPUE4:
mPTAPUE3:
mPTAPUE2:
mPTAPUE1:
mPTAPUE0:
PTBPUE:
; bit numbers for use in BLCR, BSET, BRCLR, and BRSET
PTBPUE7:
PTBPUE6:
PTBPUE5:
PTBPUE4:
PTBPUE3:
PTBPUE2:
PTBPUE1:
PTBPUE0:
; bit position masks
mPTBPUE7:
mPTBPUE6:
mPTBPUE5:
mPTBPUE4:
mPTBPUE3:
mPTBPUE2:
mPTBPUE1:
mPTBPUE0:
;****
;*
KBSCR:
; bit numbers for use in BCLR, BSET, BRCLR, and BRSET
KEYF:
ACKK:
IMASKK:
MODEK:
MOTOROLA
Keyboard Interrupt Module (KBI)
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
3
2
1
0
%10000000
%01000000
%00100000
%00010000
%00001000
%00000100
%00000010
%00000001
$0B
7
5
4
3
2
1
0
%10000000
%00100000
%00010000
%00001000
%00000100
%00000010
%00000001
$0C
7
6
5
4
3
2
1
0
%10000000
%01000000
%00100000
%00010000
%00001000
%00000100
%00000010
%00000001
$1A
3
2
1
0
Generating a PWM Signal Modulated by an Analog Input
Freescale Semiconductor, Inc.
For More Information On This Product,
Using the MC68HC908QY4 Microcontroller
;Port B data direction bit 3
;Port B data direction bit 2
;Port B data direction bit 1
;Port B data direction bit 0
;Port B data direction bit 7
;Port B data direction bit 6
;Port B data direction bit 5
;Port B data direction bit 4
;Port B data direction bit 3
;Port B data direction bit 2
;Port B data direction bit 1
;Port B data direction bit 0
;Port A input pullup enable register
;OSC2 pin enable
;Port A input pull up enable bit 5
;Port A input pull up enable bit 4
;Port A input pull up enable bit 3
;Port A input pull up enable bit 2
;Port A input pull up enable bit 1
;Port A input pull up enable bit 0
;OSC2 pin enable
;Port A input pull up enable bit 5
;Port A input pull up enable bit 4
;Port A input pull up enable bit 3
;Port A input pull up enable bit 2
;Port A input pull up enable bit 1
;Port A input pull up enable bit 0
;Port B input pullup enable register
;Port B input pull up enable bit 7
;Port B input pull up enable bit 6
;Port B input pull up enable bit 5
;Port B input pull up enable bit 4
;Port B input pull up enable bit 3
;Port B input pull up enable bit 2
;Port B input pull up enable bit 1
;Port B input pull up enable bit 0
;Port B input pull up enable bit 7
;Port B input pull up enable bit 6
;Port B input pull up enable bit 5
;Port B input pull up enable bit 4
;Port B input pull up enable bit 3
;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
Go to: www.freescale.com
*************************************************
Register and Bit Definitions for MC68HC908QY4
AN2475/D
15