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參數(shù)資料
| 型號： | TMC2246AH6C |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 數(shù)字信號處理外設(shè) |
| 英文描述： | Circular Connector; No. of Contacts:6; Series:MS27473; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:10; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:10-98 RoHS Compliant: No |
| 中文描述： | 10-BIT, DSP-DIGITAL FILTER, CPGA120 |
| 封裝： | MPGA-120 |
| 文件頁數(shù)： | 10/18頁 |
| 文件大小： | 266K |
| 代理商： | TMC2246AH6C |
PRODUCT SPECIFICATION
TMC2246A
10
REV. 1.0.3 9/11/00
Application Notes
Typical Operation
The versatile input clock enables and unrestricted data and
coefficient inputs provided on the TMC2246A allow consid-
erable flexibility in numerous image and signal processing
architectures.
Table 2 shows a typical sequence of operations which clari-
fies the inherent latencies of the device and illustrates fixed
coefficient storage, product accumulation, and device recon-
figuration prior to beginning a new accumulation. This
assumes that the device is set to fractional two’s complement
mode (FSEL = LOW) with OCEN = LOW, OEN = LOW,
and the input registers configured to hold coefficients only
(ENSEL = LOW). X= “don’t care.”
Using the TMC2246A for Pixel Interpolation
As a companion product to the TMC2301 Image Resampling
Sequencer, the TMC2246A offers an excellent tool for per-
forming high-speed pixel interpolation and image filtering.
Any pixel resampling operation with multiple-pixel kernels
must utilize some parallel-processing technique, such as
memory banding, to maintain high-speed image throughput
rates. Memory banding utilizes adders to generate parallel
offset addresses, allowing the user to access multiple pixel
locations simultaneously. Using such techniques, one
TMC2246A can perform bilinear interpolation (four-pixel
kernel) with no loss in system performance.
Larger kernels can be realized in similar systems with addi-
tional TMC2246As. Figure 5 illustrates a basic pixel interpo-
lation application.
Timing Diagram
CLK
D1-4
9-0
CONTROLS
1
S
15-02
DA
DB
5
4
3
2
1
SA
1/f
CLK
t
S
t
H
t
PWH
t
DO
t
HO
t
PWKL
6
C1-4
10-0
CA
CB
Notes:
1. Except OEN.
2. Assumes OEN = LOW.
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| TMC2246A | Image Filter 11 x 10 bit, 60 MHz |
| TMC2246AH5C | Image Filter 11 x 10 bit, 60 MHz |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMC2246AH6C_Q | 功能描述:視頻 IC Image Filter RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TMC2246AH6C1 | 功能描述:視頻 IC Image Filter RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TMC2246AH6C2 | 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| TMC2246AKEC | 功能描述:視頻 IC Image Filter RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TMC2246AKEC1 | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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