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ADV3205-EVALZ Fiches technique(PDF) 9 Page - Analog Devices |
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ADV3205-EVALZ Fiches technique(HTML) 9 Page - Analog Devices |
9 / 20 page Data Sheet ADV3205 Rev. 0 | Page 9 of 20 TRUTH TABLE AND LOGIC DIAGRAM Table 8. Operation Truth Table1 CE UPDATE CLK DATA IN DATA OUT RESET SER/PAR Operation/Comment 1 X X X X X X No change in logic. 0 1 ↓2 Data i Data i-80 1 0 The data on the serial DATA IN line is loaded into the serial register. The first bit clocked into the serial register appears at DATA OUT 80 clocks later. 0 1 ↓3 D0 ... D4, A0 ... A3 Not applicable in parallel mode 1 1 The data on the parallel data lines, D0 to D4, are loaded into the 80-bit serial shift register location addressed by A0 to A3. 0 0 X X X 1 X Data in the 80-bit shift register transfers into the parallel latches that control the switch array. Latches are transparent. X X X X X 0 X Asynchronous operation. All outputs are disabled. Remainder of logic is unchanged. 1 X = don’t care, 0 = logic low, 1 = logic high, and ↓ = falling edge triggered. 2 ↓ = falling edge triggered. 3 ↓ = low level triggered. D CLK Q A0 A1 A2 CLK 16 256 DATA IN (SERIAL) (OUTPUT ENABLE) SER/PAR CE UPDATE OUT00 EN DATA OUT PARALLEL DATA D Q CLK D Q CLK D Q CLK D Q CLK D1 D2 D3 D Q CLK D Q CLK D Q CLK D Q CLK D Q CLK OUT01 EN OUT02 EN OUT03 EN OUT04 EN OUT05 EN OUT06 EN OUT07 EN D LE Q CLR OUT15 EN OUTPUT ENABLE SWITCH MATRIX S D1 Q D0 D0 S D1 Q D0 S D1 Q D0 S D1 Q D0 S D1 Q D0 S D1 Q D0 S D1 Q D0 S D1 Q D0 D Q CLK S D1 Q D0 D4 DECODE D LE Q CLR OUT00 EN D LE OUT00 B0 Q D LE Q OUT00 B1 D LE Q OUT00 B2 D LE Q OUT00 B3 D LE OUT01 B0 Q D LE Q CLR OUT14 EN D LE OUT15 B0 Q D LE OUT15 B1 Q D LE OUT15 B2 Q D Q CLK S D1 Q D0 S D1 Q D0 D LE OUT15 B3 Q S D1 Q D0 OUT08 EN OUT09 EN OUT10 EN OUT11 EN OUT12 EN OUT13 EN OUT14 EN OUT15 EN A3 RESET (OUTPUT ENABLE) Figure 6. Logic Diagram |
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