BT830 Hardware Integration Guide
Version 0.1 (PRELIMINARY)
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www.lairdtech.com/bluetooth
18
CONN-GUIDE-BT830
(PRELIMINARY)
Figure 10: PCM Master Timing Short Frame Sync
8.8
PCM Slave Timing
Symbol
Parameter
Min
Typ
Max
Unit
f
sclk
PCM clock frequency (Slave mode: input)
64
-
2048
kHz
f
sclk
PCM clock frequency (GCI mode)
128
-
4096
kHz
t
sclkl
PCM_CLK low time
200
-
-
ns
t
sclkh
PCM_CLK high time
200
-
-
ns
8.9
PCM Slave Mode Timing Parameters
Symbol
Parameter
Min
Typ Max
Unit
t
hsclksynch
Hold time from PCM_CLK low to PCM_SYNC high
2
-
-
ns
t
susclksynch
Set-up time for PCM_SYNC high to PCM_CLK low
20
-
-
ns
t
dpout
Delay time from PCM_SYNC or PCM_CLK, whichever is later,
to valid PCM_OUT data (long frame sync only)
-
-
15
ns
t
dsclkhpout
Delay time from CLK high to PCM_OUT valid data
-
-
15
ns
t
dpoutz
Delay time from PCM_SYNC or PCM_CLK low, whichever is
later, to PCM_OUT data line high impedance
-
-
20
ns
t
supinsclkl
Set-up time for PCM_IN valid to CLK low
20
-
-
ns
t
hpinsclkl
Hold time for PCM_CLK low to PCM_IN invalid
2
-
-
ns
