CL-PS7500FE
System-on-a-Chip for Internet Appliance
Table 11-1. I/O Address Space Usage
I/O address
Contents
0x03000000
0x03010000
0x03012000
0x0302A000
0x0302B000
0x0302B800
0x0302C000
0x03030000
0x03040000
0x03200000
0x03210000
0x03400000
0x03500000
Module space — asserts nMSCS
16-MHz I/O
16-MHz I/O
16-MHz I/O
16-MHz I/O
16-MHz I/O
Reserved
— asserts nCCS (Combo chip select)
— asserts nCDACK (Combo DACK)
— asserts nCDACK and TC (Combo DACK and TC)
— asserts nPCCS2
— asserts nPCCS1
Module space — asserts nMSCS
Reserved
CL-PS7500FE internal I/O and memory control registers
Simple I/O space — asserts nSIOCS1/2
CL-PS7500FE internal video and sound control registers
Reserved
11.3 Additional I/O Chip Select Decode Logic
The SETCS input selects additional decode logic for some of the chip select outputs.
●
When SETCS is high:
nMSCS
is asserted only in the following ranges of Module I/O space:
0x03000000 -> 0x03003FFF
0x03030000 -> 0x03033FFF
nEASCS is asserted only in the following range of Extended I/O space:
0x08000000 -> 0x08FFFFFF
nSIOCS2 is asserted only in the following ranges of Simple I/O space:
0x03240000 -> 0x03243FFF
0x032C0000 -> 0x032C3FFF
0x03340000 -> 0x03343FFF
0x033C0000 -> 0x033C3FFF
●
When SETCS is low:
nMSCS
is asserted over the whole of Module space
nEASCS is asserted over the whole of Extended I/O address space
nSIOCS2 is asserted only in the following ranges of simple I/O space:
0x03240000 -> 0x0324FFFF
0x032C0000 -> 0x032CFFFF
0x03340000 -> 0x0334FFFF
0x033C0000 -> 0x033CFFFF
110
June 1997
I/O SUBSYSTEMS
ADVANCE DATA BOOK v2.0
CIRRUS [ CIRRUS LOGIC ]
