參數(shù)資料
型號(hào): SAA7388GP
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Error correction and host interface IC for CD-ROM ELM
中文描述: 8-BIT, 50.4 MHz, MICROCONTROLLER, PQFP80
文件頁(yè)數(shù): 39/60頁(yè)
文件大?。?/td> 226K
代理商: SAA7388GP
1996 Apr 26
39
Philips Semiconductors
Preliminary specification
Error correction and host interface IC for
CD-ROM (ELM)
SAA7388
M
ULTI
-
WORD
DMA
TRANSFER
; see Fig.16; note 3
t
0
t
1
t
2
t
3
t
4
t
5
t
6
t
7
t
8
t
9
t
10
cycle time
HWR/HRD to DMARQ inactive
DMACK to HWR/HRD
HWR/HRD active
HWR/HRD inactive
HWR/HRD to DMACK hold
HWR data set-up
HWR data hold
HRD data access
HRD data hold
DMACK inactive to read data
3-state
130
0
80
50
5
30
15
5
40
60
25
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Sanyo compatibility mode host interface timing;
see Fig.17
COMIN
AND
SBOUT
ACCESS
t
0
t
1
t
2
t
3
t
4
HEN set-up
HEN hold
CMD set-up
CMD hold
HWR/HRD active
30
0
15
5
50
75
60
145
50
20
5
0
80
60
100
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
5
HWR/HRD data inactive
t
6
t
7
t
8
t
9
t
10
t
11
HWR data set-up
HWR data hold
HRD data access
HRD data to 3-state
STEN to HRD
HRD to STEN inactive
only for SBOUT read
for last SBOUT read;
33 MHz clock
16 MHz clock
only for COMIN write when
CMDBK = 0
145
100
ns
ns
t
12
HWR to DTEN/STEN inactive
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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