User's Manual

Bluegiga Technologies Oy
Page 33 of 52
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
f
sclkl
PCM_CLK low time
200 - - ns
f
sclkh
PCM_CLK high time
200 - - ns
Table 16: PCM Slave Timing
Symbol Parameter Min Typ Max Unit
f
hsclksynch
Hold time from PCM_CLK low to PCM_SYNC high
2--
f
susclksynch
Set-up time for PCM_SYNC high to PCM_CLK low
20 - -
f
dpout
Delay time from PCM_SYNC or PCM_CLK, whichever
is later, to valid PCM_OUT data (long frame sync only)
--15
f
dsclkhpout
Delay time from PCM_SYNC or PCM_CLK, whichever
is later, to valid PCM_OUT data
--15
f
dpoutz
Delay time from PCM_SYNC or PCM_CLK low,
whichever is later, to PCM_OUT data line high
impedance
--20
f
supinsclkl
Set-up time for PCM_IN valid to PCM_CLK low
20 - -
f
hpinsclkl
Hold time from PCM_CLK low to PCM_IN valid
2--
ns
Table 17: PCM Slave Mode Timing Parameters
Figure 24: PCM Slave Timing Long Frame Sync