MC68HC11E1CFN2 Freescale Semiconductor, MC68HC11E1CFN2 Datasheet - Page 238

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MC68HC11E1CFN2

Manufacturer Part Number
MC68HC11E1CFN2
Description
IC MCU 512 EEPROM 2MHZ 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Datasheet

Specifications of MC68HC11E1CFN2

Core Processor
HC11
Core Size
8-Bit
Speed
2MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
38
Program Memory Type
ROMless
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Program Memory Size
-

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Application Note
Modifications
Operation
238
This example programmed version 3.4 of the BUFFALO monitor into the
EPROM of an MC68HC711E9; the changes to the BASIC program to
download some other program are minor.
The necessary changes are:
Configure the EVBU for boot mode operation by putting a jumper at J3.
Ensure that the trace command jumper at J7 is not installed because this
would connect the 12-V programming voltage to the OC5 output of the
MCU.
Connect the EVBU to its dc power supply. When it is time to program the
MCU EPROM, turn on the 12-volt programming power supply to the new
circuitry in the wire-wrap area.
Connect the EVBU serial port to the appropriate serial port on the host
system. For the Macintosh, this is the modem port with a modem cable.
For the MS-DOS
through or modem cable. Power up the host system and start the BASIC
program. If the program has not been compiled, this is accomplished
from within the appropriate BASIC compiler or interpreter. Power up the
EVBU.
Answer the prompt for filename with either a [RETURN] to accept the
default shown or by typing in a new filename and pressing [RETURN].
countries.
MS-DOS is a registered trademark of Microsoft Corporation in the United States and other
1.
2. Also in line 30, the starting address of the program is assigned to
3. In line 9570, the start address of the program is stored in the third
4. If any changes are made to the number of bytes in the boot code
Freescale Semiconductor, Inc.
For More Information On This Product,
assigned to the variable CODESIZE%.
the variable ADRSTART.
and fourth items in that DATA statement in hexadecimal.
in the DATA statements in lines 9500–9580, then the new count
must be set in the variable "BOOTCOUNT" in line 25.
In line 30, the length of the program to be downloaded must be
Go to: www.freescale.com
computer, it is connected to COM1 with a straight
AN1060 — Rev. 1.0
MOTOROLA

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