Renesas H8 Series Hardware Manual page 109

8-bit single-chip microcomputer

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Table of Contents

Interrupt vector area

Internal I/O registers

(1-Kbyte work area for flash

memory programming)

Internal RAM

Internal I/O registers

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.

Figure 2.17 Data Size and Number of States for Access to and from

H'FF98 to H'FF9F

H'FFA8 to H'FFAF

On-Chip Peripheral Modules

Rev. 7.00 Mar 10, 2005 page 67 of 652

Section 2 CPU

REJ09B0042-0700