RESET TIMING WITH RESPECT TO DVDD POWER GOOD
RESET TIMING
SERIAL AUDIO PORT SLAVE MODE SIGNALS
SERIAL AUDIO PORT MASTER MODE SIGNALS
SLES235 – JULY 2008 ....................................................................................................................................................................................................... www.ti.com
PARAMETER
MIN
TYP
MAX
UNIT
tpgw(L)
Minimum pulse duration, RESET low following DVDD = 3.3 V
100
ms
control signal parameters over recommended operating conditions (unless otherwise noted), see
Figure 35PARAMETER
MIN
TYP
MAX
UNIT
trDMSTATE Time to outputs inactive
100
s
twRESET
Pulse duration, RESET active
200
ns
trEMSTATE Time to enable I
2C
<50
ms
over recommended operating conditions (unless otherwise noted), see
Figure 36PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fLRCLK
Frequency, LRCLKIN (FS)
32
48
kHz
twSCLKIN
Pulse duration, SCLKIN high(1)
0.4 tcyc
0.6 tcyc
ns
fSCLKIN
Frequency, SCLKIN
64 Fs
MHz
tcyc
Cycle time, SCLKIN(1)
1/64 Fs
ns
Propagation delay, SCLKIN falling edge to
tpd1
16
ns
SDOUT
tsu1
Setup time, LRCLK to SCLKIN rising edge
10
ns
th1
Hold time, LRCLK from SCLKIN rising edge
5
ns
tsu2
Setup time, SDIN to SCLKIN rising edge
10
ns
th2
Hold time, SDIN from SCLKIN rising edge
5
ns
Propagation delay, SCLKIN falling edge to
tpd2
SCLKOUT = SCLKIN
15
ns
SCLKOUT falling edge
(1)
tcyc = 1/ fSCLKIN
over recommended operating conditions (unless otherwise noted), see
Figure 37PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fLRCLK
Frequency LRCLKOUT
48
kHz
trLRCLK
Rise time, LRCLKOUT
CL = 30 pF
12
ns
tfLRCLK
Fall time, LRCLKOUT
CL = 30 pF
12
ns
fSCLKOUT
Frequency, SCLKOUT(1)
64 Fs
MHz
trSCLKOUT Rise time, SCLKOUT
CL = 30 pF
12
ns
tfSCLKOUT Fall time, SCLKOUT
CL = 30 pF
12
ns
Propagation delay, SCLKOUT falling edge to
tpd1
5
ns
LRCLKOUT edge
Propagation delay, SCLKOUT falling edge to
tpd2
5
ns
SDOUT12
tsu
Setup time, SDIN to SCLKOUT rising edge
25
ns
th
Hold time, SDIN from SCLKOUT rising edge
30
ns
(1)
Typical duty cycle is 50/50.
46
Copyright 2008, Texas Instruments Incorporated