Flash Memory Prom Mode (H8/3644F, H8/3643F, And H8/3642Af); Prom Mode Setting; Memory Map - Renesas H8 Series Hardware Manual

Section 6 ROM
6.8

Flash Memory PROM Mode (H8/3644F, H8/3643F, and H8/3642AF)

6.8.1

PROM Mode Setting

The H8/3644F, H8/3643F, and H8/3642AF, in which the on-chip ROM is flash memory, have a
PROM mode as well as the on-board programming modes for programming and erasing flash
memory. In PROM mode, the on-chip ROM can be freely programmed using a general-purpose
PROM programmer.
6.8.2

Memory Map

Figure 6.17 shows the memory map in PROM mode.
MPU mode
Note: * This example applies to the H8/3644F. This address
Rev. 6.00 Sep 12, 2006 page 150 of 526
REJ09B0326-0600
H8/3644F
H'0000
On-chip ROM area
H'7FFF*
"1" output
is H'5FFF in the H8/3643F, and H'3FFF in the H8/3642AF.
Figure 6.17 Memory Map in PROM Mode
PROM mode
H'0000
H'7FFF*
H'1FFFF