HD6432670 Hitachi, HD6432670 Datasheet - Page 118

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Rev. 2.0, 04/02, page 72 of 906
Notes: 1. This area is specified as an external address area by clearing the RAME bit of SYSCR to 0.
2. When EXPE = 1, external address space; when EXPE = 0, reserved area.
3. When EXPE = 1, external address space when RAME = 0, on-chip RAM when RAME = 1.
When EXPE = 0, on-chip RAM area.
H'FFFC00
H'FFFF00
H'FFFF20
H'FFFFFF
H'000000
H'100000
H'110000
H'FFA000
H'FFC000
with on-chip ROM enabled)
(external ROM activation
External address space
External address space
expanded modes
On-chip RAM/external
ROM : 64 kbytes
Internal I/O registers
Internal I/O registers
RAM : 8 kbytes
Modes 5 and 6
address space
address space
On-chip ROM
Figure 3.3 H8S/2673 Memory Map (2)
address space
External
External
*1
H'000000
H'010000
H'FFA000
H'FFC000
H'FFFC00
H'FFFF00
H'FFFF20
H'FFFFFF
with on-chip ROM enabled)
(single-chip activation
space/reserved area
On-chip RAM/external
Internal I/O registers
Internal I/O registers
ROM : 64 kbytes
space/reserved area
space/reserved area
expanded mode
RAM : 8 kbytes
External address
address space
External address
External address
On-chip ROM
Mode 7
*3
*2
*2
*2