參數(shù)資料
型號: DSPA56371
廠商: 飛思卡爾半導體(中國)有限公司
元件分類: 數(shù)字信號處理
英文描述: SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs
中文描述: SigmaDSP的28-/56-Bit音頻處理器雙ADC和4個DAC
文件頁數(shù): 72/124頁
文件大?。?/td> 1752K
代理商: DSPA56371
Digital Audio Transmitter Timing
Freescale Semiconductor
DSP56371 Technical Data
51
15
Digital Audio Transmitter Timing
Figure 18.
Digital Audio Transmitter Timing
16
Timer Timing
Figure 19.
TIO Timer Event Input Restrictions
Table 23. Digital Audio Transmitter Timing
No.
Characteristic
Expression
181 MHz
Unit
Min
Max
99
ACI frequency (see note)
1 / (2 x TC)—
90
MHz
100
ACI period
2
× TC
11.1
ns
101
ACI high duration
0.5
× TC
2.8
ns
102
ACI low duration
0.5
× TC
2.8
ns
103
ACI rising edge to ADO valid
1.5
× TC
—8.3
ns
Note:
1. In order to assure proper operation of the DAX, the ACI frequency should be less than 1/2 of theDSP56371
internal clock frequency. For example, if the DSP56371 is running at 181 MHz internally, the ACI frequency
should be less than 90MHz.
Table 24. Timer Timing
No.
Characteristics
Expression
181 MHz
Unit
Min
Max
104
TIO Low
2
× TC + 2.0
13
ns
105
TIO High
2
× TC + 2.0
13
ns
Note:
1. VCORE_VDD = 1.25 V
± 0.05 V; T
J = –40°C to 115°C for 150 MHz; TJ = 0°C to 100°C for 181 MHz; CL = 50 pF
ACI
ADO
100
103
101
102
TIO
105
104
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