參數(shù)資料
型號: ADSP-2187NKCA-320
廠商: ANALOG DEVICES INC
元件分類: 數(shù)字信號處理
英文描述: DSP Microcomputer
中文描述: 24-BIT, 40 MHz, OTHER DSP, PBGA144
封裝: MO-205AC, BGA-144
文件頁數(shù): 38/48頁
文件大?。?/td> 1571K
代理商: ADSP-2187NKCA-320
ADSP-218xN Series
–38–
REV. 0
IDMA Read, Short Read Cycle in Short Read Only Mode
Table 26. IDMA Read, Short Read Cycle in Short Read Only Mode
Parameter
1
Timing Requirements:
t
IKR
t
IRP
Switching Characteristics:
t
IKHR
t
IKDH
t
IKDD
t
IRDE
t
IRDV
Min
Max
Unit
IACK Low before Start of Read
2
Duration of Read
3
0
10
ns
ns
IACK High after Start of Read
2
IAD15–0 Previous Data Hold after End of Read
3
IAD15–0 Previous Data Disabled after End of Read
3
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 is enabled by setting Bit 14 of the IDMA overlay Register to 1 (0x3FE7). Short Read Only can be enabled by the processor core writing
to the register or by an external host writing to the register. Disabled by default.
2
Start of Read = IS Low and IRD Low. Previous data remains until end of read.
3
End of Read = IS High or IRD High.
Figure 35. IDMA Read, Short Read Cycle in Short Read Only Mode
t
IRP
t
IKR
PREVIOUS
DATA
t
IKHR
t
IRDV
t
IKDD
t
IRDE
t
IKDH
IAD15–0
IACK
IS
IRD
LEGEND:
IMPLIES THAT
IS
AND
IRD
CAN BE
HELD INDEFINITELY BY HOST
相關(guān)PDF資料
PDF描述
ADSP-2187NKST-320 DSP Microcomputer
ADSP-2188NKCA-320 DSP Microcomputer
ADSP-2188NKST-320 DSP Microcomputer
ADSP-2185LKST-115 DSP Microcomputer
ADSP-2185LKST-133 DSP Microcomputer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(shù)字式信號處理器) 系列:ADSP-21xx 標(biāo)準(zhǔn)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(nèi)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,F(xiàn)CBGA 供應(yīng)商設(shè)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-2187NKSTZ-3202 制造商:AD 制造商全稱:Analog Devices 功能描述:DSP Microcomputer
ADSP-2188 制造商:AD 制造商全稱:Analog Devices 功能描述:DSP Microcomputer
ADSP-2188M 制造商:AD 制造商全稱:Analog Devices 功能描述:DSP Microcomputer