參數資料
型號: SAA7382
廠商: NXP Semiconductors N.V.
英文描述: Error correction and host interface IC for CD-ROM ELM
中文描述: 錯誤更正和主機接口集成電路的CD - ROM榆木
文件頁數: 41/60頁
文件大?。?/td> 226K
代理商: SAA7382
1996 Apr 25
41
Philips Semiconductors
Preliminary specification
Error correction and host interface IC for
CD-ROM (ELM)
SAA7382
t
15
HWR/HRD inactive to EOP inactive only for last data access
120
ns
Oak compatibility mode host interface timing;
see Fig.20
COMIN, HCON
WRITE AND
SBOUT, TSTAT
READ
t
0
t
1
t
2
t
3
t
4
t
5
t
6
HEN set-up
HEN hold
DMACK set-up
DMACK hold
address set-up
address hold
HWR/HRD active
30
0
30
0
30
0
50
75
60
145
50
20
5
80
60
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
33 MHz clock
16 MHz clock
33 MHz clock
16 MHz clock
t
7
HWR/HRD inactive
t
8
t
9
t
10
t
11
R
ESET SUB
-CPU; see Fig.21; note 4
HWR data set-up
HWR data hold
HRD data access
HRD data to 3-state
t
0
t
1
t
2
t
3
t
4
t
5
t
6
HEN set-up
HEN hold
DMACK set-up
DMACK hold
address set-up
address hold
HWR active
30
0
30
0
30
0
50
65
60
145
512CLK
100
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
33 MHz clock
16 MHz clock
33 MHz clock
16 MHz clock
t
7
HWR inactive
t
8
t
9
N
ON
-DMA
DATA TRANSFER
; see Fig.22; note 4
HWR to SCRST
HWR inactive to SCRST inactive
t
0
t
1
t
2
t
3
t
4
t
5
t
6
HEN set-up
HEN hold
DMACK set-up
DMACK hold
address set-up
address hold
HWR/HRD active
30
0
30
0
30
0
50
75
ns
ns
ns
ns
ns
ns
ns
ns
33 MHz clock
16 MHz clock
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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