Access
Word Byte
States
H'0000
Interrupt vector area
(42 bytes)
H'0029
H'002A
2
32kbytes*1
On-chip ROM
1
*
H'7FFF
Not used
—
—
—
2
H'F740
H'F753
LCD RAM
(20 bytes)
—
—
—
2
Not used
H'F780
On-chip RAM
Not used
2048 bytes*2
2
*
H'FF7F
—
—
—
2
3
2
3
2
×
×
×
×
×
H'FF90
H'FF98 to H'FF9F
H'FFA8 to H'FFAF
Internal I/O registers
(112 bytes)
H'FFFF
Notes: The H8/3884 and H8/3844 are shown as an example.
1. The address is H'3FFF in the H8/3882 and H8/3842 (16-kbyte on-chip ROM), H'5FFF in
the H8/3883 and H8/3843 (24-kbyte on-chip ROM), H'9FFF in the H8/3885 and H8/3845
(40-kbyte on-chip ROM), H'BFFF in the H8/3886 and H8/3846 (48-kbyte on-chip ROM),
and H'EDFF in the H8/3887 and H8/3847 (60-kbyte on-chip ROM).
2. The address is H'FB7F in the H8/3882, H8/3842, H8/3883 and H8/3843 (1024-byte on-
chip ROM).
Figure 2-17 Data Size and Number of States for Access to and from
On-Chip Peripheral Modules
56
ETC [ ETC ]
