Fujitsu MB91191 用户手册
86
CHAPTER 4 External Bus Interface
4.1
Overview of External Bus Interface
The external bus interface controls the external memory and interface with the external
I/O.
I/O.
■
Feature of External Bus Interface
•
16-bit (64KB) address output
•
Only 1 bank can be set by the chip select function
- Capable of setting by the 64KB in the arbitrary position on the logical address space
•
Capable of setting a 16-/8-bit bus width
•
Insertion of the programmable auto memory wait (maximum for 7 cycles)
•
Support for the time division I/O interface of address and data
•
Support of little endian mode