MC68HC711E9FU Freescale Semiconductor, MC68HC711E9FU Datasheet - Page 215
MC68HC711E9FU
Manufacturer Part Number
MC68HC711E9FU
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC711E9FU.pdf
(242 pages)
Specifications of MC68HC711E9FU
Cpu Family
HC11
Device Core Size
8b
Frequency (max)
4MHz
Interface Type
SCI/SPI
Program Memory Type
EPROM
Program Memory Size
12KB
Total Internal Ram Size
512Byte
# I/os (max)
38
Number Of Timers - General Purpose
8
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
3V
On-chip Adc
8-chx8-bit
Instruction Set Architecture
CISC
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
64
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
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Manufacturer
Quantity
Price
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Listing 2. BASIC Program for Personal Computer
1 ' ***********************************************************************
2 ' *
3 ' *
4 ' *
5 ' *
6 ' *
7 ' *
8 ' *
9 ' *
10 '*
11 '*
12 '*
14 '*
15 '************************************************************************
25 H$ = "0123456789ABCDEF"
30 DEFINT B, I: CODESIZE% = 8192: ADRSTART= 57344!
35 BOOTCOUNT = 25
40 DIM CODE%(CODESIZE%)
45 BOOTCODE$ = ""
49 REM ***** READ IN AND SAVE THE CODE TO BE BOOT LOADED *****
50 FOR I = 1 TO BOOTCOUNT
55 READ Q$
60 A$ = MID$(Q$, 1, 1)
65 GOSUB 7000
70 TEMP = 16 * X
75 A$ = MID$(Q$, 2, 1)
80 GOSUB 7000
85 TEMP = TEMP + X
90 BOOTCODE$ = BOOTCODE$ + CHR$(TEMP)
95 NEXT I
96 REM ***** S-RECORD CONVERSION STARTS HERE *****
97 FILNAM$="BUF34.S19"
100 CLS
105 PRINT "Filename.ext of S-record file to be downloaded (";FILNAM$;") ";
107 INPUT Q$
110 IF Q$<>"" THEN FILNAM$=Q$
120 OPEN FILNAM$ FOR INPUT AS #1
130 PRINT : PRINT "Converting "; FILNAM$; " to binary..."
999 REM ***** SCANS FOR 'S1' RECORDS *****
1000 GOSUB 6000
1010 IF FLAG THEN 1250
1020 IF A$ <> "S" THEN 1000
1022 GOSUB 6000
1024 IF A$ <> "1" THEN 1000
1029 REM ***** S1 RECORD FOUND, NEXT 2 HEX DIGITS ARE THE BYTE COUNT *****
1030 GOSUB 6000
1040 GOSUB 7000
1050 BYTECOUNT = 16 * X
1060 GOSUB 6000
1070 GOSUB 7000
1080 BYTECOUNT = BYTECOUNT + X
Freescale Semiconductor
E9BUF.BAS - A PROGRAM TO DEMONSTRATE THE USE OF THE BOOT MODE
REQUIRES THAT THE S-RECORDS FOR BUFFALO (BUF34.S19)
THIS PROGRAM HAS BEEN RUN BOTH ON A MS-DOS COMPUTER
ON THE HC11 BY PROGRAMMING AN HC711E9 WITH
BUFFALO 3.4
BE AVAILABLE IN THE SAME DIRECTORY OR FOLDER
USING QUICKBASIC 4.5 AND ON A MACINTOSH USING
QUICKBASIC 1.0.
M68HC11 Bootstrap Mode, Rev. 1.1
'STRING TO USE FOR HEX CONVERSIONS
'NUMBER OF BYTES IN BOOT CODE
'BUFFALO 3.4 IS 8K BYTES LONG
'INITIALIZE BOOTCODE$ TO NULL
'# OF BYTES IN BOOT CODE
'CONVERTS HEX DIGIT TO DECIMAL
'HANG ON TO UPPER DIGIT
'DEFAULT FILE NAME FOR S-RECORDS
'GET 1 CHARACTER FROM INPUT FILE
'FLAG IS EOF FLAG FROM SUBROUTINE
'RETURNS DECIMAL IN X
'ADJUST FOR HIGH NIBBLE
'ADD LOW NIBBLE
'BUILD BOOT CODE
Listing 2. BASIC Program for Personal Computer
215
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