External Port Read Cycle Timing Table 9 and Figure 10 describe external port read operations. For additional information" />
參數(shù)資料
型號(hào): ADSP-21991BSTZ
廠商: Analog Devices Inc
文件頁數(shù): 20/44頁
文件大?。?/td> 0K
描述: IC DSP CONTROLLER 16BIT 176-LQFP
產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
標(biāo)準(zhǔn)包裝: 1
系列: ADSP-21xx
類型: 定點(diǎn)
接口: SPI,SSP
時(shí)鐘速率: 160MHz
非易失內(nèi)存: 外部
芯片上RAM: 112kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 2.50V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 176-LQFP
供應(yīng)商設(shè)備封裝: 176-LQFP(24x24)
包裝: 托盤
–27–
REV. 0
ADSP-21991
External Port Read Cycle Timing
Table 9 and Figure 10 describe external port read operations.
For additional information on the ACK signal, see the discussion
Table 9. External Port Read Cycle Timing
Parameter
1, 2
Min
Max
Unit
Timing Requirements
tAKW
ACK Strobe Pulsewidth
tHCLK
ns
tRDA
RD Asserted to Data Access Setup
tEMICLK–5+W
3
ns
tADA
Address Valid to Data Access Setup
tEMICLK+W
3
ns
tSDA
Chip Select Asserted to Data Access Setup
tEMICLK+W
3
ns
tSD
Data Valid to
RD Deasserted Setup
5
ns
tHRD
RD Deasserted to Data Invalid Hold
0
ns
tDRSAK
ACK Delay from
XMS Low
0.5tEMICLK–1
ns
Switching Characteristics
tCSRS
Chip Select Asserted to
RD Asserted Delay
0.5tEMICLK–3
ns
tARS
Address Valid to
RD Setup and Delay
0.5tEMICLK–3
ns
tRSCS
RD Deasserted to Chip Select Deasserted Setup
0.5tEMICLK–2
ns
tRW
RD Strobe Pulsewidth
tEMICLK–2+ W
3
ns
tRSA
RD Deasserted to Address Invalid Setup
0.5tHCLK–2
ns
tRWR
RD Deasserted to WR, RD Asserted
tHCLK
ns
1 tEMICLK is the External Memory Interface clock period. tHCLK is the peripheral clock period.
2 These are timing parameters that are based on worst-case operating conditions.
3 W = (number of wait states specified in wait register)
tEMICLK.
Figure 10. External Port Read Cycle Timing
tARS
D15–0
tRW
tAKW
tCDA
tRDA
tADA
tSDA
tSD
tHRD
ACK
RD
A21–0
tCSRS
tRSA
tRSCS
tRWR
MS3--0
IOMS
BMS
WR
tDRSAK
相關(guān)PDF資料
PDF描述
ADSP-21992YBC IC DSP CTLR 16BIT 196CSPBGA
ADSP-3PARCBF548M01 MODULE BOARD BF548
ADSP-BF506KSWZ-4F IC DSP 12BIT 400MHZ 120LQFP
ADSP-BF518BSWZ-4F4 IC DSP 16/32B 400MHZ LP 176LQFP
ADSP-BF526KBCZ-4C2 IC DSP CTRLR 400MHZ 289CSPBGA
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADSP-21992BBC 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 150MHz 150MIPS 196-Pin CSP-BGA 制造商:Rochester Electronics LLC 功能描述:MIXED SIGNAL DSP W/32K DM RAM& 16K PMRAM - Bulk
ADSP-21992BST 制造商:Analog Devices 功能描述:DSP Fixed-Point 16-Bit 160MHz 160MIPS 176-Pin LQFP 制造商:Analog Devices 功能描述:IC MICROCOMPUTER 16-BIT
ADSP-21992BSTZ 功能描述:IC DSP CONTROLLER 16BIT 176LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP(數(shù)字式信號(hào)處理器) 系列:ADSP-21xx 標(biāo)準(zhǔn)包裝:40 系列:TMS320DM64x, DaVinci™ 類型:定點(diǎn) 接口:I²C,McASP,McBSP 時(shí)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-21992YBC 功能描述:IC DSP CTLR 16BIT 196CSPBGA RoHS:否 類別:集成電路 (IC) >> 嵌入式 - DSP(數(shù)字式信號(hào)處理器) 系列:ADSP-21xx 標(biāo)準(zhǔn)包裝:2 系列:StarCore 類型:SC140 內(nèi)核 接口:DSI,以太網(wǎng),RS-232 時(shí)鐘速率:400MHz 非易失內(nèi)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,F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:431-FCPBGA(20x20) 包裝:托盤
ADSP-21992YST 制造商:Analog Devices 功能描述: