M16C62P_06 Datasheet, PDF (393/421 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

M16C/62P Group (M16C/62P, M16C/62PT)
24. Precautions
24.13 Electric Characteristic Differences Between Mask ROM and Flash Memory
Version Microcomputers
Flash memory version and mask ROM version may have different characteristics, operating margin, noise tolerated
dose, noise width dose in electrical characteristics due to internal ROM, different layout pattern, etc. When
switching to the mask ROM version, conduct equivalent tests as system evaluation tests conducted in the flush
memory version.
24.14 Mask ROM
When using the masked ROM version, write nothing to internal ROM area.
Rev.2.41 Jan 10, 2006 Page 378 of 390
REJ09B0185-0241