SAA7380GP datasheet(39/60 Pages) PHILIPS

39 / 60 page

1996 Apr 25

Philips Semiconductors

Preliminary speciﬁcation

Error correction and host interface IC for

CD-ROM (ELM)

SAA7380

MULTI-WORD DMA TRANSFER; see Fig.16; note 3

cycle time

130

−−

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

−−

t10

DMACK inactive to read data

3-state

−−

Sanyo compatibility mode host interface timing; see Fig.17

COMIN AND SBOUT ACCESS

HEN set-up

−−

HEN hold

−−

CMD set-up

−−

CMD hold

−−

HWR/HRD active

33 MHz clock

−−

16 MHz clock

−−

HWR/HRD data inactive

33 MHz clock

−−

16 MHz clock

145

−−

HWR data set-up

−−

HWR data hold

−−

HRD data access

−−

HRD data to 3-state

−

t10

STEN to HRD

only for SBOUT read

−−

t11

HRD to STEN inactive

for last SBOUT read;

33 MHz clock

−−

100

16 MHz clock

−−

145

t12

HWR to DTEN/STEN inactive

only for COMIN write when

CMDBK = 0

−−

100

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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