ml670100 Oki Semiconductor, ml670100 Datasheet - Page 164

• Manufacturer Part Number: ml670100
• Description: Ml670100 Is A High-performance 32-bit Microcontroller
• Manufacturer: Oki Semiconductor

11-8
Address
0x03FFFFFF
0x00200000
0x00400000
0x00600000
0x00700000
0x00800000
0x01000000
0x02000000
0x03000000
0x00000000
Banks 2 and 3 are for DRAM. Accessing an address in these ranges generates the appropriate
nRAS, nCAS, and multiplexed address signals.
Note: Do not access addresses between 0x00000000 and 0x006FFFFF for which there is no
Bank 1 is for external devices (ROM, RAM, or I/O devices).
External memory areas offer a separate data bus width (8 or 16) specification for each bank.
Figure 11.2 is a memory map showing these address assignments.
internal ROM, internal RAM, or control register physically present or addresses
0x00700000 to 0x007FFFFF. Doing so produces unreliable operation.
Internal ROM or external ROM, RAM, or I/O devices (2 megabytes)
Internal I/O devices on peripheral bus (1 megabytes)
External ROM, RAM, or I/O devices (16 megabytes)
External ROM, RAM, or I/O devices (8 megabytes)
Internal I/O devices on core bus (2 megabytes)
Figure 11.2 : Address Assignments
External DRAM (16 megabytes)
External DRAM (16 megabytes)
Reserved area (1 megabyte)
Internal RAM (2 megabytes)
Bank 0
Bank 1
Bank 2
Bank 3