M16C28 Datasheet, PDF (394/423 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES

M16C/28 Group (M16C/28, M16C/28B)
20. Precautions
20.13 Mask ROM Version
20.13.1 Internal ROM Area
In the masked ROM version, do not write to internal ROM area. Writing to the area may increase power
consumption.
20.13.2 Reserved Bit
The b3 to b0 in addresses 0FFFFF16 are reserved bits. Set these bits to "11112".
Rev. 2.00 Jan. 31, 2007 ^{page 374} of 385
REJ09B0047-0200