R01UH0092EJ0110 Rev.1.10
Page 657 of 807
Jul 31, 2012
M16C/64C Group
30. Flash Memory
Table 30.2
Flash Memory Rewrite Modes Overview
Flash Memory
Rewrite Mode
CPU Rewrite Mode
Standard Serial I/O Mode
Parallel I/O Mode
Function
The flash memory is rewritten
when the CPU executes software
commands.
EW0 mode:
Rewritable in areas other than
the flash memory
EW1 mode:
Rewritable in the flash memory
The flash memory is rewritten
using a dedicated serial
programmer.
Standard serial I/O mode 1:
Clock synchronous serial I/O
Standard serial I/O mode 2:
2-wire clock asynchronous
serial I/O
The flash memory is
rewritten using a
dedicated parallel
programmer.
Areas which can
be rewritten
Program ROM 1, program ROM 2,
and data flash
Program ROM 1, program ROM 2,
and data flash
Program ROM 1,
program ROM 2, and
data flash
CPU operating
mode
Single-chip mode
Memory expansion mode (EW0
mode)
Boot mode
Parallel I/O mode
ROM programmer
None
Serial programmer
Parallel programmer
On-board rewrite
Available
Available
Unavailable
Содержание M16C Series
Страница 846: ...M16C 64C Group R01UH0092EJ0110...