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参数资料
| 型号： | TMC2272AKEC2 |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | DSP Peripheral |
| 英文描述： | 12-BIT, DSP-VIDEO IMAGING, PQFP120 |
| 封装： | PLASTIC, MQFP-120 |
| 文件页数： | 18/20页 |
| 文件大小： | 170K |
| 代理商： | TMC2272AKEC2 |
TMC2272A
PRODUCT SPECIFICATION
REV. 1.1.3 10/25/00
7
The TMC2272A may also be used in unsigned binary 8-bit
systems as shown in Figure 4. Bits 11 through 8 will handle
overflow.
In all applications, a digital zero (ground) should be connect-
ed to all unused inputs.
Table 2. Bit Weightings for Input and Output Data Words
A minus sign indicates a two’s complement sign bit.
Bit Weights
211
210
29
28
27
26
25
24
23
22
21
20
2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9
Inputs
All Modes
Data A, B, C
-I11
I10
I9
I8
I7
I6
I5
I4
I3
I2
I1
I0 ∑
Coefficients
KA, KB, KC
-K9 ∑ K8 K7 K6 K5 K4 K3 K2 K1 K0
Internal
Sum
-X20 X19 X18 X17 X16 X15 X14 X13 X12 X11 X10 X9 ∑ X8 X7 X6 X5 X4 X3 X2 X1 X0
Outputs
X, Y, Z
-O11 O10 O9 O8 O7 O6 O5 O4 O3 O2 O1 O0 ∑
Figure 3. Two’s Complelent 8-bit Application
Figure 4. Binary 8-bit Application
MSB(11)
(10)
(9)
(8)
(7)
(6)
(5)
(4)
(3)
(2)
(1)
LSB(0)
MSB(7)
SIGN
EXTENSION
(6)
(5)
(4)
(3)
(2)
(1)
LSB(0)
MSB(7)
NC/
OVERFLOW
(WILL
ACCUMULATE
OVERFLOW)
(6)
(5)
(4)
(3)
(2)
(1)
LSB(0)
INPUTS
(A11-0, B11-0,
OR C11-0)
OUTPUTS
(X11-0, Y11-0,
OR Z11-0)
TMC2272
BIT WEIGHTINGS
MSB(11)
(10)
(9)
(8)
(7)
(6)
(5)
(4)
(3)
(2)
(1)
LSB(0)
MSB(7)
GND
(6)
(5)
(4)
(3)
(2)
(1)
LSB(0)
MSB(7)
NC/
OVERFLOW
(WILL
ACCUMULATE
OVERFLOW)
(6)
(5)
(4)
(3)
(2)
(1)
LSB(0)
INPUTS
(A11-0, B11-0,
OR C11-0)
OUTPUTS
(X11-0, Y11-0,
OR Z11-0)
TMC2272
BIT WEIGHTINGS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TMC2272AKEC3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TMC22X5YA | 制造商:CADEKA 制造商全称:CADEKA 功能描述:Multistandard Digital Video Decoder Three-Line Adaptive Comb Decoder Family, 8 & 10 bit |
| TMC2302A | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Image Manipulation Sequencer |
| TMC2302AH5C | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Fairchild Semiconductor Corporation 功能描述: |
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