MC68HC711E9FU

Manufacturer Part NumberMC68HC711E9FU
ManufacturerFreescale Semiconductor
MC68HC711E9FU datasheet
 

Specifications of MC68HC711E9FU

Cpu FamilyHC11Device Core Size8b
Frequency (max)4MHzInterface TypeSCI/SPI
Program Memory TypeEPROMProgram Memory Size12KB
Total Internal Ram Size512Byte# I/os (max)38
Number Of Timers - General Purpose8Operating Supply Voltage (typ)3.3/5V
Operating Supply Voltage (max)5.5VOperating Supply Voltage (min)3V
On-chip Adc8-chx8-bitInstruction Set ArchitectureCISC
Operating Temp Range0C to 70COperating Temperature ClassificationCommercial
MountingSurface MountPin Count64
Package TypePQFPLead Free Status / Rohs StatusNot Compliant
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Listing 3. MC68HC711E9 Bootloader ROM
Listing 3. MC68HC711E9 Bootloader ROM
1
****************************************************
2
* BOOTLOADER FIRMWARE FOR 68HC711E9 - 21 Aug 89
3
****************************************************
4
* Features of this bootloader are...
5
*
6
* Auto baud select between 7812.5 and 1200 (8 MHz)
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* 0 - 512 byte variable length download
8
* Jump to EEPROM at $B600 if 1st download byte = $00
9
* PROGRAM - Utility subroutine to program EPROM
10
* UPLOAD - Utility subroutine to dump memory to host
11
* Mask I.D. at $BFD4 = $71E9
12
****************************************************
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* Revision A -
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*
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* Fixed bug in PROGRAM routine where the first byte
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* programmed into the EPROM was not transmitted for
17
* verify.
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* Also added to PROGRAM routine a skip of bytes
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* which were already programmed to the value desired.
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*
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* This new version allows variable length download
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* by quitting reception of characters when an idle
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* of at least four character times occurs
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*
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****************************************************
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* EQUATES FOR USE WITH INDEX OFFSET = $1000
28
*
29 0008
PORTD
30 000E
TCNT
31 0016
TOC1
32 0023
TFLG1
33
* BIT EQUATES FOR TFLG1
34 0080
OC1F
35
*
36 0028
SPCR
37 002B
BAUD
38 002D
SCCR2
39 002E
SCSR
40 002F
SCDAT
41 003B
PPROG
42
* BIT EQUATES FOR PPROG
43 0020
ELAT
44 0001
EPGM
45
*
46
47
* MEMORY CONFIGURATION EQUATES
48
*
49 B600
EEPMSTR
50 B7FF
EEPMEND
51
*
222
EQU
$08
EQU
$0E
EQU
$16
EQU
$23
EQU
$80
EQU
$28
(FOR DWOM BIT)
EQU
$2B
EQU
$2D
EQU
$2E
EQU
$2F
EQU
$3B
EQU
$20
EQU
$01
EQU
$B600
Start of EEPROM
EQU
$B7FF
End of EEPROM
M68HC11 Bootstrap Mode, Rev. 1.1
Freescale Semiconductor