SAA7382 Datasheet, PDF (4/60 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)
5 BLOCK DIAGRAM
Preliminary specification
SAA7382
handbook, full pagewidth
DGND VDDD2
RCK
BCK DATA
SFSY SUB
WS C2PO
TEST2 TEST1
VDDD1
1, 14, 24,
41, 59, 68
32
50, 74
28 29 30 31 33 34 35
DECODER
SERIAL
INTERFACE
23
25
TEST
SDA
36
SCL
37
INT
38
MICRO-
CONTROLLER
RESET
39
INTERFACE
SYN
40
45
DMACK
70
DA1
71
DA2/EJECT
72
CS2/SELRQ
73
IOCS16
ERROR
CORRECTOR
SRAM
CACHE
HOST INTERFACE
SAA7382
75-80
2-10
MEMORY
12
MANAGER
11
13
15-22
27
OSCILLATOR
26
RA0 to RA5
RA6 to RA14
RA16/CAS
RA15/RAS
RWE
RD0 to RD7
CRIN
CROUT
42 43 44 69 46 47 48
49
51-58 60-67
CS1/HEN HRD
HWR DA0/CMD
DMARQ/DTEN
HD0 to HD7 HD8 to HD15
SCRST/STEN IRQ/EOP/HFBC
IORDY/WAIT/HFBLB
MGD308
1996 Apr 25
Fig.1 Block diagram.
4