Digital Audio Transmitter Timing - Motorola DSP56367 User Manual

Specifications

Digital Audio Transmitter Timing

3.15 DIGITAL AUDIO TRANSMITTER TIMING
Table 3-23 Digital Audio Transmitter Timing
No.
ACI frequency (see note)
ACI period
220
ACI high duration
221
ACI low duration
222
ACI rising edge to ADO valid
223
Note: In order to assure proper operation of the DAX, the ACI frequency should be
less than 1/2 of the DSP56367 internal clock frequency. For example, if the
DSP56367 is running at 150 MHz internally, the ACI frequency should be less
than 75 MHz.
ACI
223
ADO
Figure 3-36 Digital Audio Transmitter Timing
3-72
Characteristic
220
DSP56367
120 MHz
Expression
Min Max
1 / (2 x T ) —
C
2 × T
16.7
C
0.5 × T
4.2
C
0.5 × T
4.2
C
1.5 × T
—
C
221 222
Unit
60 MHz
— ns
— ns
— ns
12.5 ns
AA1280
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