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參數(shù)資料
| 型號(hào)： | TMC2246AH5C |
| 廠商： | RAYTHEON SEMICONDUCTOR |
| 元件分類： | 數(shù)字信號(hào)處理外設(shè) |
| 英文描述： | Image Filter 11 x 10 bit, 60 MHz |
| 中文描述： | 11-BIT, DSP-DIGITAL FILTER, PPGA121 |
| 封裝： | PLASTIC, PGA, 120 PIN |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 266K |
| 代理商： | TMC2246AH5C |
PRODUCT SPECIFICATION
TMC2246A
6
REV. 1.0.3 9/11/00
Note:
1. X denotes a "Don't Care" condition.
2. Any register not explicitly held is updated on the next rising edge of CLK.
Controls
FSEL
B2
2
Format Select.
assumed to be in fractional two's complement format. Rounding to
16 bits is performed as determined by the accumulator control,
ACC, and the upper 16 bits of the accumulator are output when
the registered Format Select input (FSEL) is LOW. When FSEL is
HIGH, two's complement integer format is assumed, and the
lower 16 bits of the accumulator are presented at the output. No
rounding is performed when operating in integer mode. See the
Functional Block Diagram and the Applications Discussion.
Enable Select.
The registered Enable Select determines whether
the data or the coefficient input registers may be held on the next
rising edge of clock, in conjunction with the individual input
enables ENB1–ENB4. See Table 1.
Input Enables.
When ENBi (i=1, 2, 3, or 4) is LOW, registers Ci
and Di are both strobed by the next rising edge of CLK. When
ENBi is HIGH and ENSEL is LOW, Di is strobed, but Ci is held.
When ENBi and ENSEL are both HIGH, Di is held and Ci is
strobed. See Table 1. Thus, either or both input registers to each
multiplier are updated on each clock cycle.
Accumulate.
When the registered ACCumulator control is LOW,
no internal accumulation will be performed on the data input
during the current clock, effectively clearing the prior accumulated
sum. If operating in fractional two's complement format (FSEL =
LOW), one-half LSB rounding to 16 bits is performed on the result.
This allows the user to perform summations without propagating
roundoff errors.
Coefficients input during the current clock are
ENSEL
A1
120
ENB1–
ENB4
C4, A2, A3, B3
118, 117, 116,
119
ACC
B1
3
When ACC is HIGH, the internal accumulator adds the emerging
products to the sum of previous products, without performing
additional rounding.
Output Register Enable.
The output of the accumulator is
latched into the output register on the next clock when the Output
Register Clock Enable is LOW. When OCEN is HIGH the contents
of the output register remain unchanged; however, accumulation
will continue internally if ACC remains HIGH.
Output Enable.
Data currently in the output registers is available
at the output bus S
15-0
when the asynchronous Output Enable is
LOW. When OEN is HIGH, the outputs are in the high-impedance
state.
OCEN
D3
4
OEN
C2
5
No Connect
NC
D4 (Index Pin)
Not Connected. (Optional)
Pin Descriptions
(continued)
Pin Name
Pin Number
Pin Function Description
CPGA/PPGA/
MPGA
MQFP
相關(guān)PDF資料 |
PDF描述 |
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| TMC2246AH6C1 | JT 7C 7#20 SKT PLUG |
| TMC2246AH6C2 | JT 13C 13#22D PIN WALL RECP |
| TMC2246AKEC | Circular Connector; No. of Contacts:22; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:12; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:12-35 RoHS Compliant: No |
| TMC2246AKEC1 | Circular Connector; No. of Contacts:18; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:14-18 RoHS Compliant: No |
| TMC2246AKEC2 | Circular Connector; No. of Contacts:37; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:14-35 RoHS Compliant: No |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMC2246AH5C1 | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:Image Filter 11 x 10 bit, 60 MHz |
| TMC2246AH5C2 | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:Image Filter 11 x 10 bit, 60 MHz |
| TMC2246AH6C | 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 |
| 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 |
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