Philips Semiconductors
Preliminary specification
Stereo audio codec with SPDIF interface
UDA1355H
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
L3-bus interface (see Figs 21 and 22)
tr
rise time
note 1
note 1
note 2
note 2
note 2
−
−
−
−
−
−
−
10
10
−
ns/V
ns/V
ns
tf
fall time
−
Tcy(CLK)L3
tCLK(L3)H
tCLK(L3)L
tsu(L3)A
L3CLOCK cycle time
L3CLOCK HIGH time
L3CLOCK LOW time
500
250
250
190
−
ns
−
ns
L3MODE set-up time in
address mode
−
ns
th(L3)A
L3MODE hold time in
address mode
190
190
190
190
190
−
−
−
−
−
−
−
−
−
−
ns
ns
ns
ns
ns
tsu(L3)D
th(L3)D
tstp(L3)
tsu(L3)DA
L3MODE set-up time in
data transfer mode
L3MODE hold time in
data transfer mode
L3MODE stop time in
data transfer mode
L3DATA set-up time in
address and data
transfer mode
th(L3)DA
L3DATA hold time in
address and data
transfer mode
30
−
−
ns
td(L3)R
L3DATA delay time in
data transfer mode
0
0
−
−
50
50
ns
ns
tdis(L3)R
L3DATA disable time for
read data
I2C-bus interface (see Fig.23)
fSCL
tLOW
tHIGH
tr
SCL clock frequency
0
−
−
−
−
−
−
400
−
kHz
µs
µs
ns
SCL LOW time
SCL HIGH time
1.3
0.6
−
rise time SDA and SCL note 3
fall time SDA and SCL note 3
20 + 0.1Cb
20 + 0.1Cb
0.6
300
300
−
tf
ns
tHD;STA
hold time START
condition
note 4
µs
tSU;STA
tSU;STO
tBUF
set-up time repeated
START
0.6
0.6
−
−
−
−
−
−
−
−
µs
µs
µs
ns
set-up time STOP
condition
bus free time
between a STOP and START 1.3
condition
tSU;DAT
data set-up time
100
2003 Apr 10
67
NXP [ NXP ]
