MC68HC711E20CFN2

Manufacturer Part NumberMC68HC711E20CFN2
DescriptionIC MCU 20K 2MHZ OTP 52-PLCC
ManufacturerFreescale Semiconductor
SeriesHC11
MC68HC711E20CFN2 datasheets
 


Specifications of MC68HC711E20CFN2

Core ProcessorHC11Core Size8-Bit
Speed2MHzConnectivitySCI, SPI
PeripheralsPOR, WDTNumber Of I /o38
Program Memory Size20KB (20K x 8)Program Memory TypeOTP
Eeprom Size512 x 8Ram Size768 x 8
Voltage - Supply (vcc/vdd)4.5 V ~ 5.5 VData ConvertersA/D 8x8b
Oscillator TypeInternalOperating Temperature-40°C ~ 85°C
Package / Case52-PLCCLead Free Status / RoHS StatusContains lead / RoHS non-compliant
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Page 217/242

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1640 GOSUB 8000
1650 RCV = I - 1
1660 LOCATE 10,1:PRINT "Verifying byte #"; I; "
1664 IF CHR$(CODE%(RCV)) = B$ THEN 1670
1665 K=CODE%(RCV):GOSUB 8500
1666 LOCATE 1,1:PRINT "Byte #"; I; "
1668 K=ASC(B$):GOSUB 8500
1669 PRINT "
Received "; HX$;
1670 NEXT I
1680 GOSUB 8000
1690 RCV = CODESIZE% - 1
1700 LOCATE 10,1:PRINT "Verifying byte #"; CODESIZE%; "
1710 IF CHR$(CODE%(RCV)) = B$ THEN 1720
1713 K=CODE(RCV):GOSUB 8500
1714 LOCATE 1,1:PRINT "Byte #"; CODESIZE%; "
1715 K=ASC(B$):GOSUB 8500
1716 PRINT "
Received "; HX$;
1720 LOCATE 8, 1: PRINT : PRINT "Done!!!!"
4900 CLOSE
4910 INPUT "Press [RETURN] to quit...", Q$
5000 END
5900 '***********************************************************************
5910 '*
SUBROUTINE TO READ IN ONE BYTE FROM A DISK FILE
5930 '*
RETURNS BYTE IN A$
5940 '***********************************************************************
6000 FLAG = 0
6010 IF EOF(1) THEN FLAG = 1: RETURN
6020 A$ = INPUT$(1, #1)
6030 RETURN
6490 '***********************************************************************
6492 '*
SUBROUTINE TO SEND THE STRING IN A$ OUT TO THE DEVICE
6494 '*
OPENED AS FILE #2.
6496 '***********************************************************************
6500 PRINT #2, A$;
6510 RETURN
6590 '***********************************************************************
6594 '*
SUBROUTINE THAT CONVERTS THE HEX DIGIT IN A$ TO AN INTEGER
6596 '***********************************************************************
7000 X = INSTR(H$, A$)
7010 IF X = 0 THEN FLAG = 1
7020 X = X - 1
7030 RETURN
7990 '**********************************************************************
7992 '*
SUBROUTINE TO READ IN ONE BYTE THROUGH THE COMM PORT OPENED
7994 '*
AS FILE #2.
7996 '*
RECEIVED.
7998 '*
KEYBOARD INPUT.
7999 '**********************************************************************
8000 WHILE LOC(2) = 0
8005 Q$ = INKEY$: IF Q$ <> "" THEN 4900 'IF ANY KEY PRESSED, THEN ABORT
8010 WEND
8020 B$ = INPUT$(1, #2)
8030 RETURN
8490 '************************************************************************
Freescale Semiconductor
Listing 2. BASIC Program for Personal Computer
'GET BYTE FOR VERIFICATION
"
", " - Sent "; HX$;
'GET BYTE FOR VERIFICATION
", " - Sent "; HX$;
WAITS INDEFINITELY FOR THE BYTE TO BE
SUBROUTINE WILL BE ABORTED BY ANY
RETURNS BYTE IN B$.
'WAIT FOR COMM PORT INPUT
M68HC11 Bootstrap Mode, Rev. 1.1
"
USES Q$.
217