68HC05K0 View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
Manufacturer
68HC05K0 Datasheet PDF : 12 Pages
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0026
0027
0028
0029
0030
0031
0032
0033
0034
0035
0036
0037
0038 0000
0039 0001
0040 0004
0041 0005
0042 0008
0043 0010
0044
0045 00e0
0046
0047 00e0
0048 00e1
0049 00e2
0050 00e3
0051
0052
0053
0054
0055
0056
0057
0058
0059 0200
0060
0061 0200 9a
0062 0201 ad 04
0063 0203 9c
0064 0204 8e
0065 0205 20 fa
0066
0067 0207 a6 f0
0068 0209 b7 04
0069 020b b7 00
0070 020d b7 10
0071 020f a6 03
0072 0211 b7 05
0073 0213 a6 01
0074 0215 b7 01
0075 0217 81
0076
0077
Listing
***************************************************************
* INFRA RED REMOTE CONTROL FOR K0,K1
*
***************************************************************
* WRITTEN BY A.BRESLIN 13.1.92
*
***************************************************************
* THIS PROGRAM READS AND ENCODES A KEY FROM A 24 KEY KEYBOARD *
* TO A FORM OF BIPHASE PULSE CODE MODULATION (PCM) FOR INFRA *
* RED TRANSMISSION. IT USES THE TRANSMISSION PROTOCOL OF THE *
* MC144105 IR REMOTE CONTROL TRANSMITTER
*
***************************************************************
porta equ
00
portb equ
01
ddra equ
04
ddrb equ
05
tcsr equ
$08
papd equ
$10
org
$e0
keyst1 rmb
1
keyst2 rmb
1
keyst3 rmb
1
dflag rmb
1
; initial code from keyboard
; keycode
; code transmitted
; flag for last and 9th bits
**************************************************************
* THE PORTS ARE SET UP USING PORTA 0-3 AS INPUTS MAKING USE *
* OF THE INTERNAL INTERUPT GENERATION ON THESE I/0 LINES. *
* STOP MODE IS ENTERED UNTIL A KEY IS PRESSED
*
**************************************************************
org
$200
start
wpres
cli
bsr
rsp
stop
bra
setup
wpres
setup lda
sta
sta
sta
lda
sta
lda
sta
rts
#$f0
ddra
porta
papd
#$03
ddrb
#$01
portb
; porta 0-3 inputs
; 4-7 as outputs
; set outputs high
; 0-3 pulldown
; portb 0-1 outputs
; set portb 0 high
MOTOROLA
8
AN463/D
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