TMC2250AG1C3 CADEKA [Cadeka Microcircuits LLC.], TMC2250AG1C3 Datasheet

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TMC2250AG1C3

Manufacturer Part Number
TMC2250AG1C3
Description
Matrix Multiplier 12 x 10 bit, 50 MHz
Manufacturer
CADEKA [Cadeka Microcircuits LLC.]
Datasheet
1.TMC2250AG1C3.pdf (23 pages)
Features
• Four user-selectable filtering and transformation
• 50 MHz (20ns) pipelined throughput
• 12-bit input and output data, 10-bit coefficients
• 6-bit cascade input and output ports in all filter modes
• Onboard coefficient storage, with three-cycle updating of
Description
The TMC2250A is a flexible high-performance nine-multiplier
array VLSI circuit which can execute a cascadeable 9-tap
FIR filter, a cascadeable 4 x 2 or 3 x 3-pixel image convolu-
tion, or a 3 x 3 color space conversion. All configurations
offer throughput at up to the maximum guaranteed 50 MHz
clock rate with 12-bit data and 10-bit coefficients. All inputs
and outputs are registered on the rising edges of the clock.
The 3 x 3 matrix multiply or color conversion configuration
can perform video standard conversion (YIQ or YUV to
RGB, etc.) or three-dimensional perspective translation at
real-time video rates.
The 9-tap FIR filter configuration, useful in Video, Telecom-
munications, and Signal Processing, features a 16-bit cascade
input to allow construction of longer filters.
TMC2250A
Matrix Multiplier
12 x 10 bit, 50 MHz
functions:
– Triple dot product (3 x 3) matrix multiply
– Cascadeable 9-tap systolic FIR filter
– Cascadeable 3 x 3-pixel image convolver
– Cascadeable 4 x 2-pixel image convolver
all nine coefficients
The cascadeable 3 x 3 and 4 x 2-pixel image convolver func-
tions allow the user to perform numerous image processing
functions, including static filters and edge detectors. The 16-bit
cascade input port facilitates two-chip 50 MHz cubic convo-
lution (4 x 4-pixel kernel).
The TMC2250A is fabricated in a sub-micron CMOS process
and operates at clock speeds of up to 50 MHz over the full
commercial (0°C to 70°C) temperature and supply voltage
ranges. It is available in 120-pin Plastic Pin Grid Array
(PPGA) packages, 120-lead Ceramic Pin Grid Array pack-
age (CPGA), 120-lead PQFP to PPGA package (MPGA) and
120-lead Plastic Quad FlatPack (PQFP). All input and output
signals are TTL compatible.
Applications
• Image filtering and manipulation
• Video effects generation
• Video standards conversion and encoding/decoding
• Three-dimensional image manipulation
• Medical image processing
• Edge detection for object recognition
• FIR filtering for communications systems
www.cadeka.com
REV. 1.0.2 10/25/00

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TMC2250AG1C3 Summary of contents

Page 1

TMC2250A Matrix Multiplier bit, 50 MHz Features • Four user-selectable filtering and transformation functions: – Triple dot product ( matrix multiply – Cascadeable 9-tap systolic FIR filter – Cascadeable 3 x 3-pixel image convolver – ...

Page 2

PRODUCT SPECIFICATION Functional Description The TMC2250A is a nine-multiplier array with the internal bus structure and summing adders needed to implement matrix multiplier (triple dot product) a cascadeable 9-tap FIR filter 3-pixel convolver, ...

Page 3

TMC2250A Table 2. Bit Weightings for Input and Output Data Words Bit Weights Inputs All Modes - Data Coefficients KA, KB, KC Modes 01, ...

Page 4

PRODUCT SPECIFICATION Pin Assignments 120 Pin Plastic Quad Flat Pack (MQFP), KE Package 120 Pin Name Pin ...

Page 5

TMC2250A Pin Assignments (continued) 120 Pin Plastic Pin Grid Array, H5 Package and 120 Pin Ceramic Pin Grid Array, G1 Package and 120 Pin Plastic Quad Flatpack to 120-Pin Pin Grid Array (MPGA Top ...

Page 6

PRODUCT SPECIFICATION Pin Descriptions Pin Number Pin Name CPGA/PPGA/ MQFP MPGA Power V F3, H3, L7, C8, 12, 20, 46 102, 118 GND E3, G3, J3, L4, 8, 16, 24, 34, L6, H11, C7, 42, 72, 106, C5 ...

Page 7

TMC2250A Pin Descriptions (continued) Pin Number Pin Name CPGA/PPGA/ MQFP MPGA KA K13, J11, K12, 69, 68, 67, 66, 9-0 L13, L12, K11, 65, 64, 63, 62, M13, M12, 61, 60 L11, N13 KB M11, L10, 59, 58, 57, 56, ...

Page 8

PRODUCT SPECIFICATION Table 5. Coefficient Input Ports Input Port Registers Available KA KA1, KA2, KA3 KB KB1, KB2, KB3 KC KC1, KC2, KC3 Matrix Multiplier (Mode 00) This mode utilizes all six input and output ports in ...

Page 9

TMC2250A KA1 KB1 KC1 RND Figure Matrix Multiplier Configuration (Mode 00) ...

Page 10

PRODUCT SPECIFICATION 9-Tap FIR Filter Mode (01) The architecture for this configuration is shown in Figure 4. The user loads the desired coefficient set, presents input data to ports A and B simultaneously (most applications will wire the A and ...

Page 11

TMC2250A KB1 KC1 (MSB) CASIN ( ‘10000’ ...

Page 12

PRODUCT SPECIFICATION Pixel Convolver (Mode 10) This filter configuration accepts a 3 pixel-square neighbor- hood, side-loaded three pixels at a time through input ports A, B and C, and multiplies the 9 most recent pixel values by ...

Page 13

TMC2250A KB1 KC1 (MSB) 21 CASIN 15 ‘10000’ HALF LSB ROUNDING ...

Page 14

PRODUCT SPECIFICATION 4 x 2-Pixel Cascadeable Convolver (Mode 11) Similar to Mode 10, the -Pixel convolver allows the use to perform full-speed cubic convolution with only two TMC2250A devices and the TMC2111A Pipeline Delay Register to synchronize ...

Page 15

TMC2250A KA1 KB1 KC1 (MSB CASIN ( ‘10000’ ...

Page 16

PRODUCT SPECIFICATION CLK CWE KA, KB CASOUT V Digital Input GND Figure 10. Equivalent Digital Input Circuit Absolute Maximum Ratings Parameter Supply Voltage Input Voltage 2 Applied Voltage 3,4 Externally Forced Current Short Circuit Duration (single ...

Page 17

TMC2250A Operating Conditions Parameter V Power Supply Voltage DD f Clock Frequency CLK t CLK pulse width, HIGH PWH t CLK pulse width, LOW PWL t Input Data Setup Time S t Input Data Hold Time H V Input Voltage, ...

Page 18

PRODUCT SPECIFICATION Switching Characteristics Parameter t Output Delay Time DO t Output Hold Time HO Application Notes Performing Large-Kernel Pixel Interpolation The Cascade Input and Output Ports of the TMC2250A allow the user to stack multiple devices to perform larger ...

Page 19

TMC2250A Mechanical Dimensions 120-Lead CPGA Package Inches Millimeters Symbol Min. Max. Min. A .080 .160 2.03 A1 .040 .060 1.01 A2 .125 .215 3.17 øB .016 .020 0.40 øB2 .050 NOM. 1.27 NOM. D 1.340 1.380 33.27 D1 1.200 BSC ...

Page 20

PRODUCT SPECIFICATION Mechanical Dimensions 120-Lead PPGA Package Inches Millimeters Symbol Min. Max. Min. A .080 .160 2.03 A1 .040 .060 1.01 A2 .125 .215 3.17 øB .016 .020 0.40 øB2 .050 NOM. 1.27 NOM. D 1.340 1.380 33.27 D1 1.200 ...

Page 21

TMC2250A Mechanical Dimensions 120-Lead Metric Quad Flat Package to Pin Grid Array Package (MPGA) Inches Millimeters Symbol Min. Max. Min. A .309 .311 7.85 A1 .145 .155 3.68 A2 .080 .090 2.03 .050 TYP. 1.27 TYP. A3 øB .016 .020 ...

Page 22

PRODUCT SPECIFICATION Mechanical Dimensions 120-Lead MQFP Package Inches Millimeters Symbol Min. Max. Min. A — .154 — A1 .010 — .25 A2 .125 .144 3.17 B .012 .018 .30 .009 C .005 .13 D/E 1.219 1.238 30.95 D1/E1 1.098 1.106 ...

Page 23

... PRODUCT SPECIFICATION Ordering Information Temperature Product Number Range TMC2250AG1C 0°C to 70°C TMC2250AG1C2 0°C to 70°C TMC2250AG1C3 0°C to 70°C TMC2250AH5C 0°C to 70°C TMC2250AH5C2 0°C to 70°C TMC2250AH5C3 0°C to 70°C TMC2250AH6C 0°C to 70°C TMC2250AH6C2 0°C to 70°C TMC2250AH6C3 0° ...

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