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M32C/86 Datasheet(PDF) 444 Page - Renesas Technology Corp

Part # M32C/86
Description  RENESAS 16/32-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M32C/80 SERIES
PDF  505 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M32C/86 Datasheet(HTML) 444 Page - Renesas Technology Corp

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25. Flash Memory Version
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25.5 Parallel I/O Mode
In parallel I/O mode, the user ROM area and the boot ROM area can be rewritten by a parallel programmer
supporting the M32C/86 Group (M32C/86, M32C/86T). Contact your parallel programmer manufacturer for
more information on the parallel programmer. Refer to the user's manual included with your parallel pro-
grammer for instructions.
25.5.1 Boot ROM Area
An erase block operation in the boot ROM area is applied to only one 4-Kbyte block. The rewrite control
program in standard serial I/O mode is written in the boot ROM area before shipment. Do not rewrite the
boot ROM area if using the serial programmer.
In parallel I/O mode, the boot ROM area is located in addresses FFF00016 to FFFFFF16. Rewrite this
address range only if rewriting the boot ROM area. (Do not access addresses other than addresses
FFF00016 to FFFFFF16.)
25.5.2 ROM Code Protect Function
The ROM code protect function prevents the flash memory from being read and rewritten in parallel I/O
mode. (Refer to 25.2 Functions to Prevent Flash Memory from Rewriting.)



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