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Philips Semiconductors
Table 23:
Dynamic characteristics
Symbol
Parameter
t
data hold at Rx
h(DATA)
2
I
S
f
audio sample frequency
s
f
SCK frequency
SCK
f
SCK frequency
SCK
DF
SCK duty factor
SCK
DF
SCK duty factor
SCK
t
SCK rise / fall time
RSCK
t
SCK rise / fall time
RSCK
t
delay time: SCK to WS and SD
d
[2]
outputs
t
hold time: SCK to WS and SD inputs -
h
t
setup time: WS and SD inputs to
s
SCK
2
I
D
f
word clock frequency
clock(WORD)
WL
word length
DR
data rate
f
bit clock freq.
clock(BIT)
JTAG Clock Reset
t
Time RESET_N should be below
low
V
before internal reset = 1.
trip_high
t
Time RESET_N should be above
high
V
before internal reset = 0
trip_high
(after t
).
pulse
t
Time before PNX2000 internal reset
pulse
[3]
= 0
.
Allowed SCK/WS ratios are 32, 48, 64, 128 and 256 SCK periods per WS period.
[1]
All timings relative to the rising edge of SCK.
[2]
See
for waveforms.
[3]
Section 10.4
9397 750 13928
Product data
...continued
Conditions
40 pF load
-
2
I
S-bus master mode
2
I
S-bus slave mode
2
I
S-bus master mode
2
I
S-bus slave mode
2
I
S-bus master mode; C
2
I
S-bus slave mode; f
T
= 1/f
SCK
SCK
T
= 1/f
SCK
SCK
-
-
-
-
RESET_SEL = 0
RESET_SEL = 0
RESET_SEL = 0
Rev. 03 – 23 August 2004
Audio video input processor
Min
Typ
-
-
32
48
-
64f
32f
64f
s
40
50
35
-
= 30 pF
-
-
load
= 3.072 MHz -
-
SCK
0.3
0.5
0
-
0.2
-
-
13.5
-
44
-
594
-
297
-
-
-
-
200
-
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
PNX2000
Max
Unit
4.9
ns
48
kHz
-
-
s
256f
-
s
s
60
%
65
%
5
ns
50
ns
0.7
T
SCK
-
ns
-
T
SCK
-
MHz
-
bit
-
Mbit/s
-
MHz
µs
11
µs
2
-
ns
21 of 31
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