Rev. 6.00, 08/04, page 59 of 628
2.8
Memory Map
2.8.1
Memory Map
The memory map of the H8/38024, H8/38024S, and H8/38124 are shown in figure 2.16(1), that of
the H8/38023, H8/38023S, and H8/38123 in figure 2.16(2), that of the H8/38022, H8/38022S, and
H8/38122 in figure 2.16(3), that of the H8/38021, H8/38021S, and H8/38121 in figure 2.16(4),
and that of the H8/38020, H8/38020S, and H8/38120 in figure 2.16(5).
H'0000
H'0029
H'002A
H'7FFF
H'7000
H'F020
H'F02B
H'F740
H'F74F
H'FB80
H'FB7F
H'FF7F
H'FF80
H'FFFF
Interrupt vector area
User area
(1 Kbyte)
On-chip ROM
32 Kbytes
(32768 bytes)
1024 bytes
Internal I/O register
(128 bytes)
(Workarea for reprogramming
flash memory: 1 Kbyte)
*
2
Internal I/O register
Not used
Firmware
for on-chip emulator
*
1
H'F780
Not used
Not used
LCD RAM (16 bytes)
H'0000
H'0029
H'002A
H'7FFF
H'F740
H'F74F
H'FB80
H'FF7F
H'FF80
H'FFFF
Interrupt vector area
HD64F38024, HD64F38024R, HD64F38124
(flash memory version)
HD64338024 (mask ROM version)
HD64338024S (mask ROM version)
HD64738024 (PROM version)
On-chip ROM
32 Kbytes
(32768 bytes)
1024 bytes
On-chip RAM
Internal I/O register
(128 bytes)
Not used
Not used
LCD RAM (16 bytes)
On-chip RAM
(2 Kbytes)
Notes: 1. Not available to the user if the on-chip emulator is used.
2. Used by the programming control program when programming flash memory. Also, not available to the user
if the on-chip emulator is used.
Figure 2.16(1) H8/38024, H8/38024S, and H8/38124 Memory Map
Summary of Contents for H8/38024 Series
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