Datasheet

2003 Apr 10 67
NXP Semiconductors Preliminary specification
Stereo audio codec with SPDIF interface UDA1355H
L3-bus interface (see Figs 21 and 22)
t
r
rise time note 1 −−10 ns/V
t
f
fall time note 1 −−10 ns/V
T
cy(CLK)L3
L3CLOCK cycle time note 2 500 −−ns
t
CLK(L3)H
L3CLOCK HIGH time note 2 250 −−ns
t
CLK(L3)L
L3CLOCK LOW time note 2 250 −−ns
t
su(L3)A
L3MODE set-up time in
address mode
190 −−ns
t
h(L3)A
L3MODE hold time in
address mode
190 −−ns
t
su(L3)D
L3MODE set-up time in
data transfer mode
190 −−ns
t
h(L3)D
L3MODE hold time in
data transfer mode
190 −−ns
t
stp(L3)
L3MODE stop time in
data transfer mode
190 −−ns
t
su(L3)DA
L3DATA set-up time in
address and data
transfer mode
190 −−ns
t
h(L3)DA
L3DATA hold time in
address and data
transfer mode
30 −−ns
t
d(L3)R
L3DATA delay time in
data transfer mode
0 − 50 ns
t
dis(L3)R
L3DATA disable time
for read data
0 − 50 ns
I
2
C-bus interface (see Fig.23)
f
SCL
SCL clock frequency 0 − 400 kHz
t
LOW
SCL LOW time 1.3 −−μs
t
HIGH
SCL HIGH time 0.6 −−μs
t
r
rise time SDA and SCL note 3 20 + 0.1C
b
− 300 ns
t
f
fall time SDA and SCL note 3 20 + 0.1C
b
− 300 ns
t
HD;STA
hold time START
condition
note 4 0.6 −−μs
t
SU;STA
set-up time repeated
START
0.6 −−μs
t
SU;STO
set-up time STOP
condition
0.6 −−μs
t
BUF
bus free time between a STOP and START
condition
1.3 −−μs
t
SU;DAT
data set-up time 100 −−ns
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT