參數資料
型號： MSC7118VF1200
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 數字信號處理
英文描述： 0-BIT, 300 MHz, OTHER DSP, PBGA400
封裝： 17 X 17 MM, MAPBGA-400
文件頁數： 42/60頁
文件大小： 1528K
代理商： MSC7118VF1200
Hardware Design Considerations
MSC7118 Low-Cost 16-bit DSP with DDR Controller Data Sheet, Rev. 7
Freescale Semiconductor
47
3.2.7
Power Supply Design
One of the most common ways to derive power is to use either a simple fixed or adjustable linear regulator. For the system I/O
voltage supply, a simple fixed 3.3 V supply can be used. However, a separate adjustable linear regulator supply for the core
voltage VDDC should be implemented. For the memory power supply, regulators are available that take care of all DDR power
requirements.
3.3
Estimated Power Usage Calculations
The following equations permit estimated power usage to be calculated for individual design conditions. Overall power is
derived by totaling the power used by each of the major subsystems:
PTOTAL = PCORE + PPERIPHERALS + PDDRIO + PIO + PLEAKAGE
Eqn. 3
This equation combines dynamic and static power. Dynamic power is determined using the generic equation:
C
× V2 × F × 10–3 mW
Eqn. 4
where,
C = load capacitance in pF
V = peak-to-peak voltage swing in V
F = frequency in MHz
3.3.1
Core Power
Estimation of core power is straightforward. It uses the generic dynamic power equation and assumes that the core load
capacitance is 750 pF, core voltage swing is 1.2 V, and the core frequency is 300 MHz. This yields:
PCORE = 750 pF × (1.2 V)
2
× 300 MHz × 10–3 = 324.0 mW
Eqn. 5
This equation allows for adjustments to voltage and frequency if necessary.
Table 29. Recommended Power Supply Ratings
Supply
Symbol
Nominal Voltage
Current Rating
Core
VDDC
1.2 V
1.5 A per device
Memory
VDDM
2.5 V
0.5 A per device
Reference
VREF
1.25 V
10 A per device
I/O
VDDIO
3.3 V
1.0 A per device
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
MSC7118VF1200,
MSC7118VM1200,
MSC711XADS
相關PDF資料
PDF描述
MSC8101M1250F 64-BIT, 62.5 MHz, OTHER DSP, PBGA332
MSC8101M1500F 64-BIT, 75 MHz, OTHER DSP, PBGA332
MSC8101VT1250F 64-BIT, 62.5 MHz, OTHER DSP, PBGA332
MSC8101VT1500F 64-BIT, 75 MHz, OTHER DSP, PBGA332
MSC8101M1375F 64-BIT, 68.75 MHz, OTHER DSP, PBGA332
相關代理商/技術參數
參數描述
MSC7118VM1200 功能描述:DSP 16BIT W/DDR CTRLR 400-MAPBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數字式信號處理器） 系列:StarCore 標準包裝: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，FCBGA 供應商設備封裝: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
MSC7119 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Low-Cost 16-bit DSP with DDR Controller and 10/100 Mbps Ethernet MAC
MSC7119_08 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Low-Cost 16-bit DSP with DDR Controller and 10/100 Mbps Ethernet MAC
MSC7119VF1200 功能描述:數字信號處理器和控制器 - DSP, DSC FASTSTAR DSP 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
MSC7119VM1200 功能描述:數字信號處理器和控制器 - DSP, DSC FASTSTAR DSP 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
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