Renesas H8 Series Hardware Manual

Section 2 CPU
Rev. 7.00 Mar 10, 2005 page 67 of 652
REJ09B0042-0700
Interrupt vector area
(42 bytes)
On-chip ROM
32 Kbytes
User Area
Internal RAM
Not used
LCD RAM
(16 bytes)
Internal I/O registers
(128 bytes)
(1-Kbyte work area for flash
memory programming)
Access
Word Byte
2

Not used 
Not used 
2
2
×
3
×
2
×
3
×
2
×
2
States
1024 bytes
H'FFA8 to H'FFAF
H'0000
H'0029
H'002A
H'7FFF
H'F740
H'F020
H'F02B
H'F74F
H'F780
H'FB7F
H'FB80
H'FF7F
H'FF80
H'FFFF
Notes:
*
1
*
3
*
3
These examples apply to the H8/38024.
1. On the H8/38024, H8/38124, and H8/38024S, 32 Kbytes and the address is H'7FFF; on the
H8/38023, H8/38123, and H8/38023S, 24 Kbytes and the address is H'5FFF; on the
H8/38022, H8/38122, and H8/38022S, 16 Kbytes and the address is H'3FFF; on the
H8/38021, H8/38121, and H8/38021S, 12 Kbytes and the address is H'2FFF; on the
H8/38020, H8/38120, and H8/38020S, 8 Kbytes and the address is H'1FFF.
2. On the H8/38021, H8/38121, H8/38021S, H8/38020, H8/38120, and H8/38020S, 512 bytes
and the address is H'FD80.
3. Only the HD64F38024, HD64F38024R, HD64F38122, and HD64F38124 are equipped with
internal I/O registers from H'F020 to H'F02B and on-chip RAM from H'F780 to H'FB7F.
Attempting to access these areas on products other than the HD64F38024, HD64F38024R,
HD64F38122, and HD64F38124 will result in access to an empty area.
H'FF98 to H'FF9F
2
Internal I/O registers
2
×
*
2
Figure 2.17 Data Size and Number of States for Access to and from
On-Chip Peripheral Modules

Renesas H8 Series Specifications

General

Brand	Renesas
Model	H8 Series
Category	Computer Hardware
Language	English