MC711K4CFNE3 Freescale Semiconductor, MC711K4CFNE3 Datasheet - Page 26

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MC711K4CFNE3

Manufacturer Part Number
MC711K4CFNE3
Description
IC MCU 8BIT 24K EPROM 84-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Datasheets

Specifications of MC711K4CFNE3

Core Processor
HC11
Core Size
8-Bit
Speed
3MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
62
Program Memory Size
24KB (24K x 8)
Program Memory Type
OTP
Eeprom Size
640 x 8
Ram Size
768 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
84-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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26
MOTOROLA
Notice that the bootloader routine checks the EPROM to see if it contains any data. The presence of
data causes the routine to stay in a loop. At this time, devices with the security enhancement are only
available as one-time-programmable (OTP) MCUs in non-windowed packages. Once they have been
programmed and secured, they will not function in bootstrap mode.
For more information refer to M68HC11 Reference Manual (M68HC11RM/AD).
• Output $FF on SCI transmitter.
• Erase EEPROM array.
• Verify that EEPROM has been erased. If it has not, repeat erase procedure.
• Write $FF to every location in RAM.
• Check EPROM for data. If data is present, stay in loop. Otherwise proceed.
• Erase the CONFIG register.
• Continue executing bootloader routine.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
M68HC11 K Series
MC6HC11KTS/D

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