參數資料
型號: ADSP-2187NBST-320
廠商: ANALOG DEVICES INC
元件分類: 數字信號處理
英文描述: RESISTOR, FILM, CHIP (CHIP SIZE: 0805)
中文描述: 24-BIT, 40 MHz, OTHER DSP, PQFP100
封裝: MS-026BED, LQFP-100
文件頁數: 37/48頁
文件大?。?/td> 1571K
代理商: ADSP-2187NBST-320
–37–
REV. 0
ADSP-218xN Series
IDMA Read, Short Read Cycle
Table 25. IDMA Read, Short Read Cycle
Parameter
1, 2
Timing Requirements:
t
IKR
t
IRP1
t
IRP2
Switching Characteristics:
t
IKHR
t
IKDH
t
IKDD
t
IRDE
t
IRDV
Min
Max
Unit
IACK Low before Start of Read
3
Duration of Read (DM/PM1)
4
Duration of Read (PM2)
5
0
10
10
ns
ns
ns
2t
CK
– 5
t
CK
– 5
IACK High after Start of Read
3
IAD15–0 Data Hold after End of Read
6
IAD15–0 Data Disabled after End of Read
6
IAD15–0 Previous Data Enabled after Start of Read
IAD15–0 Previous Data Valid after Start of Read
10
ns
ns
ns
ns
ns
0
10
0
10
1
Short Read Only must be disabled in the IDMA overlay memory mapped register. This mode is disabled by clearing (=0) bit 14 of the IDMA overlay
register, and is disabled by default upon reset.
2
Consider using the Short Read Only mode, instead, because Short Read mode is not applicable at high clock frequencies.
3
Start of Read = IS Low and IRD Low.
4
DM Read or first half of PM Read.
5
Second half of PM Read.
6
End of Read = IS High or IRD High.
Figure 34. IDMA Read, Short Read Cycle
t
IRP
t
IKR
PREVIOUS
DATA
t
IKHR
t
iRDV
t
IKDD
t
IRDE
t
IKDH
IAD15–0
IACK
IS
IRD
相關PDF資料
PDF描述
ADSP-2187NKCA-320 DSP Microcomputer
ADSP-2187NKST-320 DSP Microcomputer
ADSP-2188NKCA-320 DSP Microcomputer
ADSP-2188NKST-320 DSP Microcomputer
ADSP-2185LKST-115 DSP Microcomputer
相關代理商/技術參數
參數描述
ADSP-2187NBSTZ-320 功能描述:IC DSP CONTROLLER 16BIT 100LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP(數字式信號處理器) 系列:ADSP-21xx 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-2187NBSTZ-3202 制造商:AD 制造商全稱:Analog Devices 功能描述:DSP Microcomputer
ADSP-2187NKCA-320 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 80MHz 80MIPS 144-Pin CSP-BGA 制造商:Rochester Electronics LLC 功能描述:32K PM/32K DM RAM,16-BIT,80 MIPS, 1.8V - Bulk
ADSP-2187NKST-320 制造商:Rochester Electronics LLC 功能描述:32K PM/32K DM RAM,16-BIT, 80 MIPS, 1.8V - Bulk 制造商:Analog Devices 功能描述:IC MICROCOMPUTER 16-BIT
ADSP-2187NKSTZ-320 功能描述:IC DSP CONTROLLER 16BIT 100LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP(數字式信號處理器) 系列:ADSP-21xx 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