參數(shù)資料
型號(hào): ADSP-21362
廠商: Analog Devices, Inc.
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: SHARC Processor
中文描述: SHARC處理器
文件頁(yè)數(shù): 26/52頁(yè)
文件大?。?/td> 1320K
代理商: ADSP-21362
Rev. A
|
Page 26 of 52
|
December 2006
ADSP-21362/ADSP-21363/ADSP-21364/ADSP-21365/ADSP-21366
Memory Read—Parallel Port
Use these specifications for asynchronous interfacing to memo-
ries (and memory-mapped peripherals) when the ADSP-2136x
is accessing external memory space.
Table 22. 8-Bit Memory Read Cycle
Parameter
Timing Requirements
t
DRS
1
t
DRH
t
DAD
1
Min
Max
Unit
AD7–0 Data Setup Before RD High
AD7–0 Data Hold After RD High
AD15–8 Address to AD7–0 Data Valid
3.3
0
ns
ns
ns
D + t
PCLK
– 5.0
Switching Characteristics
t
ALEW
t
ADAS
2
t
RRH
ALE Pulse Width
AD15–0 Address Setup Before ALE Deasserted
Delay Between RD Rising Edge to Next
Falling Edge
ALE Deasserted to Read Asserted
Read Deasserted to ALE Asserted
AD15–0 Address Hold After ALE Deasserted
ALE Deasserted to AD7–0 Address in High Z
RD Pulse Width
AD7–0 ALE Address Drive After Read High
AD15–8 Address Hold After RD High
AD15–8 Address to RD High
D = (data cycle duration = the value set by the PPDUR Bits (5–1) in the PPCTL register)
×
t
PCLK
H = t
PCLK
(if a hold cycle is specified, else H = 0)
F = 7
×
t
PCLK
(if FLASH_MODE is set, else F = 0)
t
PCLK
= (peripheral) clock period = 2
×
t
CCLK
2 × t
PCLK
– 2.0
t
PCLK
– 2.5
H + t
PCLK
– 1.4
ns
ns
ns
t
ALERW
t
RWALE
t
ADAH
2
t
ALEHZ
2
t
RW
t
RDDRV
t
ADRH
t
DAWH
2 × t
PCLK
– 3.8
F + H + 0.5
t
PCLK
– 2.3
t
PCLK
D – 2.0
F + H + t
PCLK
– 2.3
H
D + t
PCLK
– 4.0
ns
ns
ns
ns
ns
ns
ns
ns
t
PCLK
+ 3.0
1
The timing specified here is sufficient to satisfy either t
or t
as they are independent.
2
On reset, ALE is an active high cycle. However, it can be configured by software to be active low.
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ADSP-21362BBC-1AA SHARC Processor
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adsp-21362bbc-1aa 制造商:Analog Devices 功能描述:
ADSP-21362BBCZ-1AA 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 333 MHz Processor includes DTCP/SPDIF RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
ADSP-21362BSWZ-1AA 功能描述:IC DSP 32BIT 333MHZ EPAD 144LQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - DSP(數(shù)字式信號(hào)處理器) 系列:SHARC® 標(biāo)準(zhǔn)包裝:2 系列:StarCore 類(lèi)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(lèi)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(pán)
ADSP-21362KBC-1AA 制造商:Analog Devices 功能描述:DSP Floating-Point 32-Bit/40-Bit 333MHz 333MIPS 136-Pin CSP-BGA
ADSP-21362KBCZ-1AA 制造商:AD 制造商全稱:Analog Devices 功能描述:SHARC Processor