13 external memory space access (non-dram spaces) – Panasonic MN103001G/F01K User Manual

Page 146

Advertising
background image

Bus Controller (BC)

8-32

8.13 External Memory Space Access (Non-DRAM Spaces)

During an access to external memory, the BC controls the interface for the read/write request from the CPU. Table

8-13-1 lists the transactions that are supported for the external bus.

Table 8-13-1

External Bus Transaction

Address

Bus width

Mode

/data

Synchronization

Asynchronization

Separation

8

Fixed wait

Handshaking

Fixed wait

16

Fixed wait

Handshaking

Fixed wait

Multiplex

8

Fixed wait

Handshaking

Fixed wait

16

Fixed wait

Handshaking

Fixed wait

Advertising