h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 438

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

On-chip RAM Address Map when Programming/Erasing is Executed: Parts of the procedure
program that are made by the user, like download request, programming/erasing procedure, and
determination of the result, must be executed in the on-chip RAM. The on-chip program that is to
be downloaded is all in the on-chip RAM. Note that area in the on-chip RAM must be controlled
so that these parts do not overlap.
Figure 14.10 shows the program area to be downloaded.
Rev. 2.00, 03/04, page 406 of 534
programming/erasing
processing period
Unusable area in
(Size : 2 kbytes)
downloaded
Area to be
Figure 14.10 RAM Map When Programming/Erasing is Executed
Initialization + programming program
Programming/erasing program entry
Initialization + erasing program
Area that can be used by user
Area that can be used by user
Initialization program entry
(Return value: 1 byte)
<
System use area
On-chip RAM
(15 bytes)
DPFR
or
>
RAMTOP
FTDAR setting
FTDAR setting + 16
FTDAR setting + 32
FTDAR setting + 2 kbytes
RAMEND
Address