User's Manual

NEMO Bluetooth Radio Module
Solutions for a Real Time World Datasheet
Re-Tek - 1573 - 32 - 45388 Warm Springs Blvd. Fremont, CA 94539
[e-mail]
TEL: [phone] FAX: [phone]
http://www.unigen.com Customer Comment Line: [phone]
Copyright Unigen Corporation, 2008
PCM Timing Information
Table 6: PCM Timing Table
Symbol Parameter Min Typ Max Unit
128
256
4MHz DDS generation.
Selection of frequency is
programmable. See
Table XXXX
-
512
- kHz
fmclk
BT_PCM_CLK_P
frequency
48MHz DDS generation.
Selection of frequency is
programmable. See
Table XXXX.
2.9 - - kHz
- BT_PCM_SYNC_P Frequency for SCO - 8 - kHz
tmclkh BT_PCM_CLK_P high 4MHz DDS generation 980 - - Ns
tmclkl BT_PCM_CLK_P low 4MHz DDS generation 730 - - Ns
- BT_PCM_CLK_P jitter 48MHz DDS generation. - - 21 ns pk-pk
tdmclksynch
Delay time from BT_PCM_CLK_P high to
BT_PCM_SYNC high
- - 20 Ns
tdmclkpout
Delay time from BT_PCM_CLK_P high to valid
BT_PCM_TXD_P
- - 20 Ns
tdmclklsyncl
Delay time from BT_PCM_CLK_P low to
BT_PCM_SYNC_P low (Long Frame Sync only)
- - 20 Ns
tdmclkhsyncl
Delay time from BT_PCM_CLK_P high to
BT_PCM_SYNC low
- - 20 Ns
tdmclklpoutz
Delay time from BT_PCM_CLK_P low to
BT_PCM_TXD high impedance
- - 20 Ns
tdmclkhpoutz
Delay time from BT_PCM_CLK_P high to
BT_PCM_TXD_P high impedance
- - 20 Ns
tsupinclkl
Set-up time for BT_PCM_RXD_P vaid to
BT_PCM_CLK low
30 - - Ns
thpinclkl
Hold time for BT_PCM_CLK low to
BT_pCM_RXD_P invalid
10 - - Ns