UDA1342 PHILIPS [NXP Semiconductors], UDA1342 Datasheet - Page 32

• Manufacturer Part Number: UDA1342
• Description: Audio CODEC
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
16 TIMING
V
specified.
2000 Mar 29
System clock timing; note 1 (see Fig.11)
T
t
t
Serial interface input/output data timing (see Fig.12)
f
T
t
t
t
t
t
t
t
t
t
t
t
L3-bus interface timing (see Figs 13 and 14)
t
t
T
t
t
t
t
t
t
CWL
CWH
BCK
BCKH
BCKL
r
f
su(WS)
h(WS)
su(DATAI)
h(DATAI)
h(DATAO)
d(DATAO-BCK)
d(DATAO-WS)
r
f
CLK(L3)H
CLK(L3)L
su(L3)A
h(L3)A
su(L3)D
h(L3)D
DDD
sys
cy(BCK)
cy(CLK)L3
Audio CODEC
SYMBOL
= V
DDA(ADC)
system clock cycle time
system clock LOW time
system clock HIGH time
bit clock frequency
bit clock cycle time
bit clock HIGH time
bit clock LOW time
rise time
fall time
word select set-up time
word select hold time
data input set-up time
data input hold time
data output hold time
data output to bit clock delay
data output to word select delay
rise time
fall time
L3CLOCK cycle time
L3CLOCK HIGH time
L3CLOCK LOW time
L3MODE set-up time in address
mode
L3MODE hold time in address
mode
L3MODE set-up time in data
transfer mode
L3MODE hold time in data
transfer mode
= V
DDA(DAC)
PARAMETER
= 2.7 to 3.6 V; T
amb
= 20 to +85 C; all voltages referenced to ground; unless otherwise
f
f
f
f
f
f
f
f
T
frequency cycle time
note 2
note 2
note 3
sys
sys
sys
sys
sys
sys
sys
sys
cy(s)
CONDITIONS
= 256f
= 384f
= 512f
= 768f
< 19.2 MHz
< 19.2 MHz
19.2 MHz
19.2 MHz
= sample
32
s
s
s
s
35
23
17
17
0.3T
0.4T
0.3T
0.4T
30
30
10
10
10
10
0
500
250
250
190
190
190
190
MIN.
sys
sys
sys
sys
81
54
41
27
TYP.
Preliminary specification
UDA1342TS
250
170
130
90
0.7T
0.6T
0.7T
0.6T
128f
1
20
20
30
30
10
10
128
MAX.
T
s
sys
sys
sys
sys
cy(s)
ns
ns
ns
ns
ns
ns
ns
ns
Hz
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns/V
ns/V
ns
ns
ns
ns
ns
ns
ns
UNIT