System Memory

Data Interface

: 32-bit memory access

 

Cache

Memory

: 64KB or optional 128KB

 

Memory Bank Configurations

 

 

 

 

 

 

 

 

 

 

NO.

BANK 0

BANK 1

BANK 2

BANK 3

 

SIZE

 

 

 

 

 

 

 

1

256K

0

0

0

 

1M

2

256K

256K

0

0

 

2M

3

256K

256K

256K

0

 

3M

4

256K

256K

256K

256K

 

4M

5

1M

256K

0

0

 

5M

6

IM

256K

256K

0

 

6M

7

1M

256K

256K

256K

 

7M

8

1M

1M

0

0

 

8M

9

1M

1M

256K

0

 

9M

10

1M

1M

256K

256K

 

10M

11

IM

1M

1M

0

 

12M

12

IM

1M

1M

256K

 

13M

13

1M

1M

1M

1M

 

16M

 

 

 

 

 

 

 

BIOS ROM

: 64K-byte

 

 

 

CMOS RAM

: 128-byte

 

 

 

System I/0

DMA Channels:

8-bit operations - 4 channel

16-bit operations - 3 channel Address space - 16MB

Programmable Timers: 3

Vectored Interrupt Levels: 15

Specifications A-3