SH7144 Datasheet, PDF (169/773 Pages) Renesas Technology Corp – Hitachi SuperH RISC engine

On-chip ROM disabled mode
Address
Space
Memory
Size
Bus Width
H'00000000 to H'003FFFFF CS0 space
External space
4 Mbytes
8/16/32 bits*²
H'00400000 to H'007FFFFF CS1 space
External space
4 Mbytes
8/16/32 bits*¹
H'00800000 to H'00BFFFFF CS2 space
External space
4 Mbytes
8/16/32 bits*¹
H'00C00000 to H'00FFFFFF CS3 space
External space
4 Mbytes
8/16/32 bits*¹
H'01000000 to H'FFFF7FFF Reserved
Reserved
H'FFFF8000 to H'FFFFBFFF
On-chip peripheral On-chip peripheral 16 kbytes
module
module
8/16 bits
H'FFFFC000 to H'FFFFDFFF Reserved
Reserved
H'FFFFE000 to H'FFFFFFFF On-chip RAM
On-chip RAM
8 kbytes
32 bits
Notes: Do not access reserved spaces. Operation cannot be guaranteed if they are accessed.
Spaces other than on-chip ROM, on-chip RAM, and on-chip peripheral modules cannot be
used in single-chip mode.
1. Selected by setting the on-chip register.
2. Selected by the mode pin: 8 or 16 bits in SH7144 (112 pins)
16 or 32 bits in SH7145 (144 pins)
Rev. 2.0, 09/02, page 129 of 732