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參數資料
型號: ADSP-21262
廠商: Analog Devices, Inc.
元件分類: 數字信號處理
英文描述: SHARC Processor
中文描述: SHARC處理器
文件頁數: 29/44頁
文件大小: 1295K
代理商: ADSP-21262
ADSP-21262
Rev. A
|
Page 29 of 44
|
May 2004
Serial Ports
To determine whether communication is possible between two
devices at clock speed n, the following specifications must be
confirmed: 1) frame sync delay and frame sync setup and hold,
2) data delay and data setup and hold, and 3) SCLK width.
Serial port signals (SCLK, FS, DxA,/DxB) are routed to the
DAI_P[20:1] pins using the SRU. Therefore, the timing specifi-
cations provided below are valid at the DAI_P[20:1] pins.
Table 23. Serial Ports—External Clock
Parameter
Timing Requirements
t
SFSE
Min
Max
Unit
FS Setup Before SCLK
(Externally Generated FS in Either Transmit or Receive Mode)
1
FS Hold After SCLK
(Externally Generated FS in Either Transmit or Receive Mode)
1
Receive Data Setup Before Receive SCLK
1
Receive Data Hold After SCLK
1
SCLK Width
SCLK Period
2.5
ns
t
HFSE
2.5
2.5
2.5
7
20
ns
ns
ns
ns
ns
t
SDRE
t
HDRE
t
SCLKW
t
SCLK
Switching Characteristics
t
DFSE
FS Delay After SCLK
(Internally Generated FS in Either Transmit or Receive Mode)
2
FS Hold After SCLK
(Internally Generated FS in Either Transmit or Receive Mode)2
Transmit Data Delay After Transmit SCLK
2
Transmit Data Hold After Transmit SCLK
2
7
ns
t
HOFSE
2
ns
ns
ns
t
DDTE
t
HDTE
7
2
1
Referenced to sample edge.
2
Referenced to drive edge.
Table 24. Serial Ports—Internal Clock
Parameter
Timing Requirements
t
SFSI
Min
Max
Unit
FS Setup Before SCLK (Externally Generated FS in Either Transmit or
Receive Mode)
1
FS Hold After SCLK (Externally Generated FS in Either Transmit or Receive
Mode)
1
Receive Data Setup Before SCLK
1
Receive Data Hold After SCLK
1
6
ns
t
HFSI
1.5
6
1.5
ns
ns
ns
t
SDRI
t
HDRI
Switching Characteristics
t
DFSI
t
HOFSI
t
DFSI
t
HOFSI
t
DDTI
t
HDTI
t
SCLKIW
FS Delay After SCLK (Internally Generated FS in Transmit Mode)
2
FS Hold After SCLK (Internally Generated FS in Transmit Mode)
2
FS Delay After SCLK (Internally Generated FS in Receive or Mode)
2
FS Hold After SCLK (Internally Generated FS in Receive Mode)
2
Transmit Data Delay After SCLK
2
Transmit Data Hold After SCLK
2
Transmit or Receive SCLK Width
3
ns
ns
ns
ns
ns
ns
ns
–1.0
3
–1.0
3
–1.0
0.5t
SCLK
– 2
0.5t
SCLK
+ 2
1
Referenced to the sample edge.
2
Referenced to drive edge.
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ADSP-21262SBBCZ150 功能描述:IC DSP 32BIT 150MHZ 136-CSPBGA 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:40 系列:TMS320DM64x, DaVinci™ 類型:定點 接口:I²C,McASP,McBSP 時鐘速率:400MHz 非易失內存:外部 芯片上RAM:160kB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:0°C ~ 90°C 安裝類型:表面貼裝 封裝/外殼:548-BBGA,FCBGA 供應商設備封裝:548-FCBGA(27x27) 包裝:托盤 配用:TMDSDMK642-0E-ND - DEVELPER KIT W/NTSC CAMERA296-23038-ND - DSP STARTER KIT FOR TMS320C6416296-23059-ND - FLASHBURN PORTING KIT296-23058-ND - EVAL MODULE FOR DM642TMDSDMK642-ND - DEVELOPER KIT W/NTSC CAMERA
ADSP-21262SKATZ-200 制造商:Analog Devices 功能描述:
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