HD64F3642AHV Datasheet, PDF (73/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

H'0000
H'002F
H'0030
Interrupt vector area
(48 bytes)
On-chip ROM
Section 2 CPU
Access
Word Byte ^States
2
H'7FFF
Reserved
———
H'F770
H'F77F
H'FB80
H'FF7F
H'FF80
H'FF9F
H'FFA0
H'FFFF
Internal I/O registers
(16 bytes)
Reserved
On-chip RAM
Reserved
Internal I/O registers
(96 bytes)
1,024 bytes
×
3*
———
2
———
×
2 or 3*
Notes:
The H8/3644 is shown as an example.
* Internal I/O registers in areas assigned to timer X (H'F770 to H'F77F),
SCI3 (H'FFA8 to H'FFAD), and timer V (H'FFB8 to H'FFBD) are accessed in three
states.
Figure 2.17 Data Size and Number of States for Access to and from
On-Chip Peripheral Modules
Rev. 6.00 Sep 12, 2006 page 51 of 526
REJ09B0326-0600