PRELIMINARY DRAFT
Register Map
Register Map
Table 1: CL-CR3710 Registers
Address (Hex)
Register Name
R/W
00H
01H
02H
03H
04H
05H
06H
07H
08H
09H
0AH
0BH
0CH
0DH
0EH
10H
11H
12H
13H
15H
16H
17H
18H
19H
1BH
1CH
1DH
1EH
1FH
20H
21H
22H
23H
24H
25H
ATAPI Error (ATERR)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
ATAPI Features (ATFEA)
ATAPI Interrupt Reason (ATINT)
ATA Sector Number (ATSECN)
ATAPI Byte Count Low (ATBCL)
ATAPI Byte Count High (ATBCH)
ATAPI Drive Select (ATDSEL)
ATAPI Command (ATCMD)
ATAPI Packet (ATPKT)
R
Alternate ATAPI Error (ALTERR)
ATA Drive Control/Status (ATDRV)
Host Drive Address (HDA)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
AT Control 1 (ATCTRL1)
AT Control 2 (ATCTRL2)
AT Control 3 (ATCTRL3)
Host Interrupt Status 1 (HIST1)
Host Interrupt Enable 1 (HIEN1)
Host Interrupt Status 2 (HIST2)
Host Interrupt Enable 2 (HIEN2)
PC Mode Control 1 (PCMODE1)
Host Transfer/Packet FIFO Control (HXFR)
ATAPI Phase Lock Release (ATULOCK)
Synchronous DMA Control (SDMA)
PC Mode Control 2 (PCMODE2)
MPEG Interface Configuration 1 (MPEGCFG1)
MPEG Interface Configuration 2 (MPEGCFG2)
MPEG Interface Configuration 3 (MPEGCFG3)
MPEG/BCA Interface Interrupt Status (MPEGIST)
MPEG/BCA Interface Interrupt Enable (MPEGIEN)
DAC Interface Configuration (DACCFG)
Audio DAC Channel Selection (DACCHSEL)
Audio Peak Meter (PKMTR)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
Peak Meter / Audio Control (PKMTRCTL)
Audio DAC Attenuation Control (DACATTCTL)
Audio Sub-Q Read (DACQRD)
R/W
R/W
R
DS587PP1 - rev 0.1 April 11, 2002
Copyright 2002 Cirrus Logic Inc.
CONFIDENTIAL
8
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