CS98100 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CS98100

DVD Processor for Low Cost DVD Players

Cirrus Logic 

CS98100

4.3 Internal IO Space Map

Table 11 shows how the Internal IO space is mapped between general registers, internal SRAM ports, and

the RISC processor debug port.

Byte address offset

Description

0_0000 – 0_2FFF

General registers

0_3000 – 1_FFFF

General Internal SRAM

2_0000 – 2_FFFF

RISC Internal SRAM/Registers

Table 11. Internal IO Space Map

4.4 CS98100 Register Space

Table 12 lists the register groups, and how they are split among the main CS98100 functional blocks.

CS98100 Register

Block

000xx, 010xx

General

001xx

Host

002xx

DRAM Controller (DRC)

003xx

DMA

004xx

CD/DVD Interface

005xx

Serial DVD (DVDS)

006xx

DSP

007xx

Sync Control

008xx

MPEG Video Decoder

00Axx

Picture-in-picture

00Bxx

Video Processor

00Cxx

Subpicture Display

00Dxx

On-screen Display

00Exx

PCM In/Out

02xxxx

RISC Processor

Table 12. CS98100 Register Map and Blocks

Table 13 lists all the registers for the CS98100 and their addresses, and indicates whether the registers are

read/write (R/W), read only (RO) or write only (WO).

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