參數(shù)資料
型號: ASDP-21365KBCZ-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): 34/52頁
文件大?。?/td> 1320K
代理商: ASDP-21365KBCZ-1AA
Rev. A
|
Page 34 of 52
|
December 2006
ADSP-21362/ADSP-21363/ADSP-21364/ADSP-21365/ADSP-21366
Input Data Port (IDP)
The timing requirements for the IDP are given in
Table 30
. IDP
signals (SCLK, FS, SDATA) are routed to the DAI_P20–1 pins
using the SRU. Therefore, the timing specifications provided
below are valid at the DAI_P20–1 pins.
Table 30. IDP
Parameter
Timing Requirements
t
SISFS
1
t
SIHFS
1
t
SISD
1
t
SIHD
1
t
IDPCLKW
t
IDPCLK
Min
Max
Unit
FS Setup Before SCLK Rising Edge
FS Hold After SCLK Rising Edge
SDATA Setup Before SCLK Rising Edge
SDATA Hold After SCLK Rising Edge
Clock Width
Clock Period
3
3
3
3
9
24
ns
ns
ns
ns
ns
ns
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 24. IDP Master Timing
DAI_P20
-
1
(SCLK)
DAI_P20
-
1
(FS)
SAMPLE EDGE
t
SISFS
t
SIHFS
t
IDPCLK
DAI_P20
-
1
(SDATA)
t
IDPCLKW
t
SISD
t
SIHD
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