tDRD 0— ns R" />
參數資料
型號: DSP56F826BU80
廠商: Freescale Semiconductor
文件頁數: 26/56頁
文件大?。?/td> 0K
描述: IC DSP 80MHZ 64KB FLASH 100LQFP
標準包裝: 90
系列: 56F8xx
核心處理器: 56800
芯體尺寸: 16-位
速度: 80MHz
連通性: EBI/EMI,SCI,SPI,SSI
外圍設備: POR,WDT
輸入/輸出數: 46
程序存儲器容量: 67KB(33.5K x 16)
程序存儲器類型: 閃存
RAM 容量: 4.5K x 16
電壓 - 電源 (Vcc/Vdd): 2.25 V ~ 2.75 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 托盤
56F826 Technical Data, Rev. 14
32
Freescale Semiconductor
Input Data Hold to RD Deasserted
tDRD
0—
ns
RD Assertion Width
Wait states = 0
Wait states > 0
tRD
19
(T*WS) + 19
ns
Address Valid to Input Data Valid
Wait states = 0
Wait states > 0
tAD
1
(T*WS) + 1
ns
Address Valid to RD Asserted
tARDA
-4.4
ns
RD Asserted to Input Data Valid
Wait states = 0
Wait states > 0
tRDD
2.4
(T*WS) + 2.4
ns
WR Deasserted to RD Asserted
tWRRD
6.8
ns
RD Deasserted to RD Asserted
tRDRD
0—
ns
WR Deasserted to WR Asserted
tWRWR
14.1
ns
RD Deasserted to WR Asserted
tRDWR
12.8
ns
1. Timing is both wait state- and frequency-dependent. In the formulas listed, WS = the number of wait states and
T = Clock Period. For 80MHz operation, T = 12.5ns.
2. Parameters listed are guaranteed by design.
To calculate the required access time for an external memory for any frequency < 80Mhz, use this formula:
Top = Clock period @ desired operating frequency
WS = Number of wait states
Memory Access Time = (Top*WS) + (Top- 11.5)
Table 3-10 External Bus Asynchronous Timing1, 2 (Continued)
Operating Conditions: VSSIO = VSS = VSSA = 0V, VDDA = VDDIO = 3.0–3.6V, VDD = 2.25–2.75V, TA = –40° to +85°C, CL ≤ 50pF, fop = 80MHz
Characteristic
Symbol
Min
Max
Unit
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相關代理商/技術參數
參數描述
DSP56F826BU80E 功能描述:數字信號處理器和控制器 - DSP, DSC 80Mhz/40MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數: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 安裝風格:SMD/SMT
DSP56F826BU80E 制造商:Freescale Semiconductor 功能描述:Digital Signal Processor IC DSP Type:Cor
DSP56F826BU80E 制造商:Freescale Semiconductor 功能描述:DSP LQFP100 3.6V
DSP56F826D 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Preliminary Technical Data DSP56F826 16-bit Digital Signal Processor
DSP56F826E 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers