Hardware manual

Rev. 3.0, 09/98, page 59 of 361
H'FFFF
H'FF88
H'FF87
H'FF80
H'FF7F
H'FB80
H'FB7F
H'F780
H'F77F
H'0048
H'0047
H'0000
H'FFFF
H'FF88
H'FF87
H'FF80
H'FF7F
H'FB80
H'FB7F
H'F780
H'F77F
H'FFFF
H'FF88
H'FF7F
H'FB80
H'C000
H'BFFF
H'6000
H'5FFF
H'0048
H'0047
H'0000
H'0048
H'0047
H'0000
Mode 2
Expanded Mode with
On-Chip ROM
Vector Table
On-Chip ROM,
24k bytes
Vector TableVector Table
External Address Space
Notes: Do not access these reserved areas.
External memory can be accessed at these addresses when the RAME bit in
the system control register (SYSCR) is cleared to 0.
1.
2.
H'5FFF
Mode 1
Expanded Mode without
On-Chip ROM
Mode 3
Single-Chip Mode
On-Chip ROM,
24k bytes
Reserved*1
External Address Space
Reserved*1,*2
Reserved*1,*2
On-Chip RAM*2,
1k byte
On-Chip RAM*2,
1k byte
On-Chip RAM, 1k byte
External Address Space External Address Space
On-Chip Register Field On-Chip Register Field
On-Chip Register Field
Figure 3.3 H8/336 Address Space Map