Owner's manual

DS21455/DS21458 Quad T1/E1/J1 Transceivers
266 of 270
Figure 38-13. Transmit Side Timing
4
)
TCHCLK and TCHBLK are s
y
nchronous with TCLK when the transmit-side elastic store is disabled.
NOTES:
1
)
T
S
Y
NC
i
s
in
t
h
e
output
m
ode
(
T
C
R2
.
2 = 1
).
2) TSYNC is in the input mode (TCR2.2
=
0).
3
)
TSER is sam
p
led on the fallin
g
ed
g
e of TCLK when the transmit-side elastic store is disabled.
5) TLINK is only sampled during F-bit locations.
6) No relationship between TCHCLK and TCHBLK and the other signals is implied.
t
F
t
R
1
TCLK
TSER / TSIG /
TDATA
TCHCLK
t
t
CL
t
CH
CP
TSYNC
TSYNC
TLINK
TLCLK
TCHBLK
t
D2
t
D2
t
D2
t
t
t
t
t
t
HD
SU
D2
SU
HD
D1
t
HD
2
5
TESO
t
SU