SAA7380 Datasheet, PDF (11/60 Pages) NXP Semiconductors – Error correction and host interface IC for CD-ROM ELM

Philips Semiconductors
Error correction and host interface IC for
CD-ROM (ELM)
Preliminary specification
SAA7380
Table 1 Sub-CPU registers during write
# AR NAME BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
0
00000
ADATA/
SBOUT
ATAPI Data register/Status Byte Output register
1 00001 IFCTRL CMDIEN DTEIEN DECIEN CMDBK DTWAI STWAI DOUTEN SOUTEN
2 00010 DBCL
Data Byte Count register bits 7 to 0
3 00011 DBCH
Data Byte Count register bits 15 to 8
4 00100 DACL
Data Address Counter register bits 7 to 0
5 00101 DACH
Data Address Counter register bits 15 to 8
6 00110 DTRG
Data Transfer Trigger register
7 00111 DTACK
Data Transfer Acknowledge register
8 01000 WAL
Write Address register bits 7 to 0
9 01001 WAH
Write Address register bits 15 to 8
10 01010 CTRL0 DECEN lookahead E01RQ AUTOQ ERAMRQ WRRQ ECCRQ ENCODE
11 01011 CTRL1 SYIEN SYDEN DSCREN COWREN MODRQ FORMRQ MBCKRQ SHDREN
12 01100 PTL
Block Pointer register bits 7 to 0
13 01101 PTH
Block Pointer register bits 15 to 8
14 01110
15 01111 RESET
reserved
HSEL
16 10000 DACHH mem
Data Address Counter register bits 20 to 16
17 10001 WAHH
Write Address register bits 20 to 16
18 10010 PTHH
Block Pointer register bits 20 to 16
19 10011 SUB_L
Subcode Address register bits 7 to 0
20 10100 SUB_H
Subcode Address register bits 9 and 8
21 10101
22 10110 INCNF IISmode
div 1
div 0 QWmode QWon QWcook RAM test
0
23 10111 MEMS
0
PRIORITY
0
RFRSH WIDTH STATIC CACHE
24 11000 ASTAT
ATAPI Status register
25 11001 ITRG
Host Interrupt Trigger register
26 11010 ADRADR
ATAPI Drive Address register
27 11011 ASAMT
ATAPI SAM TAG register
28 11100 DTCTR res. DMAMODE UDMA SUBIEN RDRV
TRANT
29 11101 ADRSEL
ATAPI Drive Select register
30 11110 AINTR
ATAPI Interrupt Reason register
31 11111 AERR
ATAPI Error register
1996 Apr 25
11