54
Interrupt vector area
(42 bytes)
On-chip ROM
32kbytes
On-chip RAM
Not used
Not used
Not used
LCD RAM
(32 bytes)
Internal I/O registers
(112 bytes)
Access
Word
Byte
2
—
—
—
—
—
—
2
—
—
—
2
×
3
×
2
×
3
×
2
×
2
States
2048 bytes
H'FFA8 to H'FFAF
H'0000
H'0029
H'002A
H'7FFF
*
1
H'F740
H'F75F
H'F780
H'FF7F
*
2
H'FF90
H'FFFF
Notes:
1.
2.
The example of the H8/3824R is shown here.
This address is H'3FFF in the H8/3822R (16-kbyte on-chip ROM), H'5FFF in the
H8/3823R (24-kbyte on-chip ROM), H'9FFF in the H8/3825R (40-kbyte on-chip
ROM), H'BFFF in the H8/3826R (48-kbyte on-chip ROM), and H'EDFF in the
H8/3827R (60-kbyte on-chip ROM).
This address is H'FB7F in the H8/3822R, and H8/3823R (1024 bytes of on-chip
RAM).
H'FF98 to H'FF9F
Figure 2.17 Data Size and Number of States for Access to and from
On-Chip Peripheral Modules