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HC705RC17GRS/D Datasheet(PDF) 92 Page - NXP Semiconductors

Part # HC705RC17GRS/D
Description  The MC68HC705RC17 is a general-purpose, low-cost addition to the M68HC05 Family of microcontroller units (MCUs) and is suitable for remote control applications.
PDF  126 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

HC705RC17GRS/D Datasheet(HTML) 92 Page - NXP Semiconductors

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EPROM
General Release Specification
MC68HC705RC17 — Rev. 3.0
EPROM
Figure 11-3. MC68HC705RC17 Bootloader Flowchart
BOOT
PB0 = 1
JUMP TO RAM
PUT RAMSUB IN RAM
DDRC <- %00000001
PORTC <- %00000000
GET BYTE FROM PORT A
PROGRAM BYTE
JSR NXTADR
CHANGE INSTRUCTION
FROM STA TO EOR
INC COUNT TO $180
START ADDR <- $180
GET BYTE FROM PORT A
JSR RAMSUB
JSR NXTADR
END ADDRESS
($3FFF)
WAIT
VERF LED ON
COMPARE
END ADDR
($3FFF)
PB5 = 1
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
PRG/VERF
VERIFY
BUMP COUNT TO $180
DDRB <- %10011100
PORTB <- %00000100
PB1 = 0
NO
YES
PB2 = 0
JUMP TO EPROM
YES
NO
BURN-IN
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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