參數(shù)資料
型號(hào)： ADSP-21262SKSTZ200
廠商： ANALOG DEVICES INC
元件分類： 數(shù)字信號(hào)處理
英文描述： SHARC Processor
中文描述： 16-BIT, 66.67 MHz, OTHER DSP, PQFP144
封裝： LEAD FREE, MS-026BFB, LQFP-144
文件頁(yè)數(shù)： 23/44頁(yè)
文件大小： 1295K
代理商： ADSP-21262SKSTZ200
ADSP-21262
Rev. A
|
Page 23 of 44
|
May 2004
Precision Clock Generator (Direct Pin Routing)
This timing is only valid when the SRU is configured such that
the Precision Clock Generator (PCG) takes its inputs directly
from the DAI pins (via pin buffers) and sends its outputs
directly to the DAI pins. For the other cases, where the PCG’s
inputs and outputs are not directly routed to/from DAI pins (via
pin buffers) there is no timing data available. All timing param-
eters and switching characteristics apply to external DAI pins
(DAI_P07 – DAI_P20).
Table 17. Precision Clock Generator (Direct Pin Routing)
Parameter
Timing Requirement
s
t
PCGIW
t
STRIG
t
HTRIG
Min
Max
Unit
Input Clock Period
PCG Trigger Setup Before Falling Edge of PCG Input Clock
PCG Trigger Hold After Falling Edge of PCG Input Clock
20
2
2
ns
ns
ns
Switching Characteristics
t
DPCGIO
PCG Output Clock and Frame Sync Active Edge Delay After PCG Input
Clock
PCG Output Clock and Frame Sync Delay After PCG Trigger
Output Clock Period
2.5
2.5 + 2.5 × t
PCGOW
40
10
10 + 2.5 × t
PCGOW
ns
ns
t
DTRIG
t
PCGOW
ns
Figure 15. Precision Clock Generator (Direct Pin Routing)
DAI_Pn
PCG_TRIGx_I
t
STRIG
DAI_Pm
PCG_EXTx_I
(CLKIN)
DAI_Py
PCG_CLKx_O
DAI_Pz
PCG_FSx_O
t
HTRIG
t
DPCGIO
t
DTRIG
t
PCGIW
t
PCGOW
相關(guān)PDF資料
PDF描述
ADSP-21262 SHARC Processor
ADSP-21262SKBC-200 SHARC Processor
ADSP-21262SKBCZ200 SHARC Processor
ADSP-21266 SHARC Embedded Processor
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADSP-21262SKSTZ200 制造商:Analog Devices 功能描述:IC 32-BIT DSP
ADSP-21266 制造商:AD 制造商全稱:Analog Devices 功能描述:SHARC Embedded Processor
ADSP-21266_07 制造商:AD 制造商全稱:Analog Devices 功能描述:Embedded Processor
ADSP-21266KSTZ-1C 制造商:Analog Devices 功能描述:- Trays
ADSP-21266KSTZ-2C 制造商:Analog Devices 功能描述:- Trays
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