參數(shù)資料
型號: ADSP-21362BBC-1AA
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: SHARC Processor
中文描述: 16-BIT, 55.55 MHz, OTHER DSP, PBGA136
封裝: MO-205AE, BGA-136
文件頁數(shù): 37/52頁
文件大小: 1320K
代理商: ADSP-21362BBC-1AA
ADSP-21362/ADSP-21363/ADSP-21364/ADSP-21365/ADSP-21366
Rev. A
|
Page 37 of 52
|
December 2006
Sample Rate Converter—Serial Output Port
For the serial output port, the frame-sync is an input and should
meet setup and hold times with regard to SCLK on the output
port. The serial data output, SDATA, has a hold time and delay
specification with regard to SCLK. Note that SCLK rising edge is
the sampling edge and the falling edge is the drive edge.
Table 34. SRC, Serial Output Port
Parameter
Timing Requirements
t
SRCSFS
1
t
SRCHFS
1
Min
Max
Unit
FS Setup Before SCLK Rising Edge
FS Hold After SCLK Rising Edge
3
3
ns
ns
Switching Characteristics
t
SRCTDD
1
t
SRCTDH
1
Transmit Data Delay After SCLK Falling Edge
Transmit Data Hold After SCLK Falling Edge
10.5
ns
ns
2
1
DATA, SCLK, FS can come from any of the DAI pins. SCLK and FS can also come via PCG or SPORTs. PCG’s input can be either CLKIN or any of the DAI pins.
Figure 28. SRC Serial Output Port Timing
DAI_P20
-
1
(SCLK)
DAI_P20
-
1
(FS)
t
SRCSFS
t
SRCHFS
DAI_P20
-
1
(SDATA)
t
SRCTDD
t
SRCTDH
SAMPLE EDGE
t
SRCCLK
t
SRCCLKW
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