LSI Logic Confidential
18-46
Specifications
Copyright © 2001, 2002 by LSI Logic Corporation. All rights reserved.
Figure 18.37 1394 Link to PHY Transfer Waveform at the Link
Figure 18.38 1394 PHY to Link Transfer Waveform at the Link
Table 18.32 1394 AC Timing Parameters at the Link
Symbol
Description
Timing Value
(ns)
Min
Max
t
ld1
Delay time,
BIO_PHY_CLK input high to initial instance of BIO_PHY_DATA[0:7] and
BIO_PHY_CTL[0:1] outputs valid
1
10
t
ld2
Delay time,
BIO_PHY_CLK input high to subsequent instance(s) of
BIO_PHY_DATA[0:7] and BIO_PHY_CTL[0:1] outputs valid
1
10
t
ld3
Delay time,
BIO_PHY_CLK input high to BIO_PHY_DATA[0:7] and
BIO_PHY_CTL[0:1] invalid (high-impedance)
1
10
t
lsu
Setup time
BIO_PHY_DATA[0:7] , BIO_PHY_CTL[0:1] ,
and BIO_LREQ inputs before BIO_PHY_CLK
6
t
lh
Hold time
BIO_PHY_DATA[0:7] , BIO_PHY_CTL[0:1] ,
and BIO_LREQ inputs after BIO_PHY_CLK
0
BIO_PHY_CLK (I)
BIO_PHY_DATA[0:7] (I/O),
BIO_PHY_CTL[0:1] (I/O)
T
lsu
T
lh
BIO_PHY_CLK (I)
BIO_PHY_DATA[0:7] (I/O),
BIO_PHY_CTL[0:1] (I/O),
BIO_LREQ (O)
T
ld1
T
ld2
T
ld2