CS4610 CIRRUS [Cirrus Logic], CS4610 Datasheet - Page 12

• Manufacturer Part Number: CS4610
• Description: CrystalClear SoundFusion PCI Audio Accelerator
• Manufacturer: CIRRUS [Cirrus Logic]

The PCI bus transactions supported by the
CS4610/11 device are summarized in Table 1. Note
that no Target Abort conditions are signalled by the
device. Byte, Word, and Doubleword transfers are
supported for Configuration Space accesses. Only
Doubleword transfers are supported for Register or
12
Device PCI Config Space
00h
04h
08h
0Ch
10h
14h
Base Address Register 0
Base Address Register 1
Device ID / Vendor ID
Class Code / Revision
Status / Command
Host
Host
Host
Host
Host
Host
DMA
DMA
Initiator
Misc Control
Figure 8. CS4610/11 Host Interface Base Address Registers
Table 1. CS4610/11 PCI Interface Transaction Summary
Registers (BA0)
Registers (BA0)
Memories (BA1)
Memories (BA1)
Config Space 1
Config Space 1
Host System
Host System
Target
CrystalClear™ SoundFusion™ PCI Audio Accelerator
Memory area accesses. Bursting is not supported
for host-initiated transfers to/from the CS4610/11
internal register space, RAM memory space, or
PCI configuration space (disconnect after first
phase of transaction is completed).
Mem Write
Mem Read
Mem Write
Mem Read
Config Write
Config Read
Mem Write
Mem Read
Type
Direct Memory Interface
(Memory Mapped, 4KB)
(Memory Mapped, 1KB)
In
Out
In
Out
In
Out
Out
In
Direct I/O Registers
PCI Dir
CS4610/11
DS241PP5