dsp56367 Freescale Semiconductor, Inc, dsp56367 Datasheet - Page 74

• Manufacturer Part Number: dsp56367
• Description: Dsp56367 24-bit Audio Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

Digital Audio Transmitter Timing
3.15
3-50
1
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.
No.
220
221
222
223
ADO
ACI
Digital Audio Transmitter Timing
SCKR (output)
ACI frequency
ACI period
ACI high duration
ACI low duration
ACI rising edge to ADO valid
223
HCKR
Characteristic
1
Figure 3-36 Digital Audio Transmitter Timing
Table 3-20 Digital Audio Transmitter Timing
463
Figure 3-35 ESAI HCKR Timing
DSP56367 Technical Data, Rev. 2.1
220
465
Expression
1 / (2 x T
0.5 × T
0.5 × T
1.5 × T
2 × T
221
C
C
C
C
C
)
13.4
Min
3.4
3.4
222
—
—
150 MHz
Max
10.0
75
—
—
—
Freescale Semiconductor
AA1280
Unit
MHz
ns
ns
ns
ns