Specifications

70 JN-DS-JN5148-001 1v9 © NXP Laboratories UK 2013
22.3.5 Four-Wire Digital Audio Interface
SCK
WS/SDOUT
SDIN
t
ck
t
dtr
t
sr
t
hr
t
hc
t
lc
Parameter Symbol
Maximum
Frequency (8MHz)
Generic
Unit
Min Max Min Max
DAI_SCK clock period
t
ck
125
-
125
-
ns
LOW period of the DAI_SCK clock
t
lc
43 -
0.35
t
ck
- ns
HIGH period of the DAI_SCK clock
t
hc
43
-
0.35
t
ck
-
ns
Transmit delay time
t
dtr
-
50
-
0.4
t
ck
ns
Receive set-up time
t
sr
25
-
0.2
t
ck
-
ns
Receive hold time
t
hr
0
-
0
-
ns
22.3.6 Wakeup and Boot Load Timings
Parameter Min Typ Max Unit Notes
Time for crystal to stabilise
ready for Boot Load
0.84 ms Reached oscillator
amplitude threshold
Time for crystal to stabilise
ready for radio activity
1.0 ms
Wake up from Deep Sleep
or from Sleep (memory not
held)
0.84 + 0.5*
program size in
kBytes
ms
Assumes SPI clock to
external Flash is
16MHz
Wake up from Sleep
(memory held)
0.84 ms
Wake up from CPU Doze
mode
0.2 µs
Wake up from Sleep using
24MHz RC oscillator
(memory held)
0.29 ms