Data Sheet

WL1801MOD,
WL1805MO
D
,
WL1831MO
D
,
WL1835MOD
SWRS152M – JULY 2013 – REVISED OCTOBER 2017
www.ti.com
24 Specifications
Copyright © 2013–2017, Texas Instruments Incorporated
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WL1835MOD
5.19.8 Bluetooth Codec-PCM (Audio) Timing Specifications
Figure 5-12 shows the Bluetooth codec-PCM (audio) timing diagram.
t
CLK
t
W
t
W
t
is
t
ih
t
op
Figure 5-12. Bluetooth Codec-PCM (Audio) Master Timing
Diagram
Table 5-6 lists the Bluetooth codec-PCM master timing characteristics.
Table 5-6. Bluetooth Codec-PCM Master Timing
Characteristics
PARAMETER MIN MAX
UNIT
T
clk
Cycle time 162.76 (6.144 MHz) 15625 (64 kHz) ns
T
w
High or low pulse width 35% of T
clk
min
t
is
AUD_IN setup time
10.6
t
ih
AUD_IN hold time 0
t
op
AUD_OUT propagation time 0 15
t
op
FSYNC_OUT propagation time 0 15
C
l
Capacitive loading on outputs 40
pF
Table 5-7 lists the Bluetooth codec-PCM slave timing characteristics.
Table 5-7. Bluetooth Codec-PCM Slave Timing Characteristics
PARAMETER MIN MAX
UNIT
T
clk
Cycle time 81.38 (12.288 MHz) ns
T
w
High or low pulse width 35% of T
clk
min
t
is
AUD_IN setup time 5
t
ih
AUD_IN hold time 0
t
is
AUD_FSYNC setup time 5
t
ih
AUD_FSYNC hold time 0
t
op
AUD_OUT propagation time 0 19
C
l
Capacitive loading on outputs 40
pF