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參數資料
型號: ADSP-21266SKSTZ-1B
廠商: ANALOG DEVICES INC
元件分類: 數字信號處理
英文描述: SHARC Embedded Processor
中文描述: 16-BIT, 50 MHz, OTHER DSP, PQFP144
封裝: ROHS COMPLIANT, MS-026BFB, LQFP-144
文件頁數: 23/44頁
文件大小: 426K
代理商: ADSP-21266SKSTZ-1B
ADSP-21266
Rev. B
|
Page 23 of 44
|
May 2005
Precision Clock Generator (Direct Pin Routing)
The timing in
Table 18
and
Figure 15
is valid only when the
SRU is configured such that the precision clock generator
(PCG) takes its inputs directly from the DAI pins (via pin buff-
ers) 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 parameters and switching characteris-
tics apply to external DAI pins (DAI_P07 – DAI_P20).
Table 18. Precision Clock Generator (Direct Pin Routing)
Parameter
Timing Requirement
s
t
PCGIW
t
STRIG
t
HTRIG
Min
Max
Unit
Input Clock Pulse Width
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 Falling Edge
PCG Output Clock and Frame Sync Delay After PCG Trigger
Output Clock Pulse Width
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
PCGOW
t
PCGIW
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相關代理商/技術參數
參數描述
ADSP-21266SKSTZ-1C 制造商:Analog Devices 功能描述:DSP Floating-Point 32-Bit 150MHz 150MIPS 144-Pin LQFP 制造商:Analog Devices 功能描述:DSP FLOATING PT 32BIT 150MHZ 150MIPS 144LQFP - Trays
ADSP-21266SKSTZ-1D 功能描述:IC DSP 32BIT 150MHZ 144-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP(數字式信號處理器) 系列:SHARC® 標準包裝:2 系列:StarCore 類型:SC140 內核 接口:DSI,以太網,RS-232 時鐘速率:400MHz 非易失內存:外部 芯片上RAM:1.436MB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:431-BFBGA,FCBGA 供應商設備封裝:431-FCPBGA(20x20) 包裝:托盤
ADSP-21266SKSTZ-2B 制造商:Analog Devices 功能描述:DSP Floating-Point 32-Bit 200MHz 200MIPS 144-Pin LQFP
ADSP21266SKSTZ2C 制造商:Analog Devices 功能描述:
ADSP-21266SKSTZ-2C 制造商:Analog Devices 功能描述: 制造商:Analog Devices 功能描述:DSP FLOATING PT 32BIT 200MHZ 200MIPS 144LQFP - Trays
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