Laird BT830, Hardware Integration Manual

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BT830 Hardware Integration Guide
Version 0.1 (PRELIMINARY)
Americas: +1-800-492-2320 Option 2
Europe: +44-1628-858-940
Hong Kong: +852-2923-0610
www.lairdtech.com/bluetooth
16 CONN-GUIDE-BT830
(PRELIMINARY)
Figure 8: 16-bit Slot Length and Sample Formats
8.7 PCM Timing Information
Table 10: PCM Timing information
Symbol
Parameter Min Typ Max Unit
f
mclk
PCM_CLK frequency
4MHz DDS generation. Frequency
selection is programmable.
-
128
- kHz 256
512
48MHz DDS generation. Frequency
selection is programmable.
2.9 - - kHz
-
PCM_SYNC frequency for SCO connection - 8 - kHz
t
mclkh
(a)
PCM_CLK high 4MHz DDS generation 980 - - ns
t
mclkl
a)
PCM_CLK low 4MHz DDS generation 730 - - ns
-
PCM_CLK jitter 48MHz DDS generation - - 21
ns
pk-pk
t
dmclksynch
Delay time from
PCM_CLK high to
PCM_SYNC high 4MHz DDS generation - - 20 ns
48MHz DDS generation - - 40.83 ns
t
dmclkpout
Delay time from PCM_CLK high to valid PCM_OUT - - 20 ns
t
dmclklsyncl
Delay time from
PCM_CLK low to
4MHz DDS generation - - 20 ns
48MHz DDS generation - - 40.83 ns