参数资料
型号: DSPB56725CAF
厂商: Freescale Semiconductor
文件页数: 27/48页
文件大小: 0K
描述: IC DSP 24BIT 80LQFP
标准包装: 90
系列: DSP56K/Symphony
类型: 音频处理器
接口: 主机接口,I²C,SAI,SPI
时钟速率: 200MHz
非易失内存: 外部
芯片上RAM: 112kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.00V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 80-LQFP
供应商设备封装: 80-LQFP(14x14)
包装: 托盘
Symphony DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
Freescale Semiconductor
33
1.2.8
S/PDIF Timing
Table 15 lists the S/PDIF timing.
Figure 25 shows the SRCK timing diagram.
Figure 25. SRCK Timing
Figure 26 shows the STCLK timing diagram.
Figure 26. STCLK Timing
Table 15. S/PDIF Timing
Characteristics
Symbol
All Frequency
Unit
Min
Max
SPDIFIN1, SPDIFIN2, SPDIFIN3, SPDIFIN4 Skew:
asynchronous inputs, no specs apply
——
0.7
ns
SPDIFOUT1,SPDIFOUT2 output (Load = 50pf)
Skew
Transition Rising
Transition Falling
1.5
24.2
31.3
ns
SPDIFOUT1, SPDIFOUT2 output (Load = 30pf)
Skew
Transition Rising
Transition Falling
1.5
13.6
18.0
ns
SRCK period
srckp
40.0
ns
SRCK high period
srckph
16.0
ns
SRCK low period
srckpl
16.0
ns
STCLK period
stclkp
40.0
ns
STCLK high period
stclkph
16.0
ns
STCLK low period
stclkpl
16.0
ns
SRCK
(Output)
VM
srckp
srckph
srckpl
STCLK
(Input)
VM
stclkp
stclkph
stclkpl
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