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AD6315 Fiches technique(PDF) 7 Page - Anachip Corp |
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AD6315 Fiches technique(HTML) 7 Page - Anachip Corp |
7 / 16 page AD6315 1/4- to 1/12 Duty VFD Controller/Driver Anachip Corp. www.anachip.com.tw Rev. A5 Dec 29, 2003 7/16 (2) Key Matrix and Key-input Data Storage RAM The key matrix is made up of a 16 X 2 matrix, as shown below. KEY 1 KEY 2 The data of each key is stored as follows, and is read with the read command starting from the least significant bit. KEY1 KEY2 KEY1 KEY2 KEY1 KEY2 KEY1 KEY2 Seg1 / KS1 Seg2 / KS2 Seg3 / KS3 Seg4 / KS4 Seg5 / KS5 Seg6 / KS6 Seg7 / KS7 Seg8 / KS8 Seg9 / KS9 Seg10 / KS10 Seg11 / KS11 Seg12 / KS12 Seg13 / KS13 Seg14 / KS14 Seg15 / KS15 Seg16 / KS16 b0 b1 b2 b3 b4 b5 b6 b7 Reading Sequence (3) LED Port Data is written to the LED port with the write command, starting from the least significant bit. “L” output when the bit of this port is 0, and “H” output when the bit is 1. The data of bits after the 5 th bit are ignored. b3 b2 b1 b0 LSB MSB Don't care LED 1 LED 2 LED 3 LED 4 Note: On power application, all the LED ports are “L” output. (4) Commands Commands set the display mode and status of the VFD driver. The first 1 byte input to the AD6315 through the DIN pin after the STB pin has fallen is regarded as a command. If STB is set high while commands/data are transmitted, serial communication is initialized, and the commands/data being transmitted are invalid (however, the commands/data previously transmitted remain valid). |
Numéro de pièce similaire - AD6315 |
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Description similaire - AD6315 |
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