參數(shù)資料
型號: ADSP-21161NKCA-100
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: 48-BIT, 27.5 MHz, OTHER DSP, PBGA225
封裝: 17 X 17 MM, MO-192AAF-2, BGA-225
文件頁數(shù): 28/60頁
文件大?。?/td> 1019K
代理商: ADSP-21161NKCA-100
ADSP-21161N
–28–
REV. A
Memory Write – Bus Master
Use these specifications for asynchronous interfacing to
memories (and memory-mapped peripherals) without reference
to CLKIN. These specifications apply when the ADSP-21161N
is the bus master accessing external memory space in asynchro-
nous access mode.
Table 16. Memory Write – Bus Master
Parameter
Timing Requirements
t
DAAK
t
DSAK
t
SAKC
t
HAKC
Min
Max
Unit
ACK Delay from Address, Selects
1, 2
ACK Delay from
WR
Low
1
ACK Setup to CLKIN
1
ACK Hold After CLKIN
1
t
CKOP
–0.5t
CCLK
–12+W
t
CKOP
–0.75t
CCLK
–11+W
ns
ns
ns
ns
0.5t
CCLK
+3
1
Switching Characteristics
t
DAWH
t
DAWL
t
WW
t
DDWH
t
DWHA
t
DWHD
t
DATRWH
t
WWR
t
DDWR
t
WDE
W = (number of wait states specified in WAIT register) × t
CKOP
.
H = t
CKOP
(if an address hold cycle occurs, as specified in WAIT register; otherwise H = 0).
HI = t
CKOP
(if an address hold cycle or bus idle cycle occurs, as specified in WAIT register; otherwise HI = 0).
I = t
CKOP
(if a bus idle cycle occurs, as specified in WAIT register; otherwise I = 0).
Address, Selects to
WR
Deasserted
2
Address, Selects to
WR
Low
2
WR
Pulsewidth
Data Setup Before
WR
High
Address Hold After
WR
Deasserted
Data Hold After
WR
Deasserted
Data Disable After
WR
Deasserted
3
WR
High to
WR
,
RD
,
DMAGx
Low
Data Disable Before
WR
or
RD
Low
WR
Low to Data Enabled
t
CKOP
–0.25t
CCLK
–3+W
0.25t
CCLK
–3
t
CKOP
–0.5t
CCLK
–1+W
t
CKOP
–0.25t
CCLK
–13.5+W
0.25t
CCLK
–1+H
0.25t
CCLK
–1+H
0.25t
CCLK
–2+H
0.5t
CCLK
–1.25+HI
0.25t
CCLK
–3+I
–0.25t
CCLK
–1
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
0.25t
CCLK
+2.5+H
1
ACK Delay/Setup: User must meet t
DAAK
or t
DSAK
or t
SAKC
for deassertion of ACK (Low); all three specifications must be met for assertion of ACK (High).
2
The falling edge of
MSx
,
BMS
is referenced.
3
See
Example System Hold Time Calculation on Page 51
for calculation of hold times given capacitive and dc loads.
Figure 21. Memory Write – Bus Master
t
DATRWH
t
DDWR
ACK
DATA
t
DAWL
t
WW
t
DAAK
t
WWR
t
WDE
t
DWHA
t
DAWH
t
DSAK
t
DDWH
t
DWHD
t
SAKC
t
HAKC
CLKIN
ADDRESS
MSx
,
BMS
WR
RD
,
DMAG
相關(guān)PDF資料
PDF描述
ADSP-21262SBBC-150 Embedded Processor
ADSP-21262SBBCZ150 Embedded Processor
ADSP-21262SKSTZ200 SHARC Processor
ADSP-21262 SHARC Processor
ADSP-21262SKBC-200 SHARC Processor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADSP-21161NKCA-100Z 制造商:Analog Devices 功能描述:
ADSP-21161NKCAZ100 功能描述:IC DSP CONTROLLER 32BIT 225MBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP(數(shù)字式信號處理器) 系列:SHARC® 標準包裝:2 系列:StarCore 類型:SC140 內(nèi)核 接口:DSI,以太網(wǎng),RS-232 時鐘速率: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 供應商設備封裝:431-FCPBGA(20x20) 包裝:托盤
ADSP-21161NYCAZ110 功能描述:IC DSP CONTROLLER 32BIT 225BGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP(數(shù)字式信號處理器) 系列:SHARC® 標準包裝:2 系列:StarCore 類型:SC140 內(nèi)核 接口:DSI,以太網(wǎng),RS-232 時鐘速率: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 供應商設備封裝:431-FCPBGA(20x20) 包裝:托盤
ADSP-21261 制造商:AD 制造商全稱:Analog Devices 功能描述:SHARC Embedded Processor
ADSP-21261SKBC-150 制造商:Analog Devices 功能描述:DSP Floating-Point 32-Bit 150MHz 150MIPS 136-Pin CSP-BGA 制造商:Rochester Electronics LLC 功能描述:150 MHZ, 32BIT DSP PROCESSOR. - Bulk