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GL843 Datasheet(PDF) 42 Page - GENESYS LOGIC |
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GL843 Datasheet(HTML) 42 Page - GENESYS LOGIC |
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42 / 84 page  GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x ©2000-2006 Genesys Logic Inc. - All rights reserved. Page 42 Offset 4Bh ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00 X X X X SCANCNT19 SCANCNT18 SCANCNT17 SCANCNT16 X X X X R R R R 7-4 RESERVED - 3-0 SCANCNT[19:16] Line number which scanner has finished. For example, after setting the line number (Reg 25, 26 27) and execute the scanning enable (bit 0 of Reg 01), designers can get line number which has been finished via these registers. Offset 4Ch ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00 SCANCNT15 SCANCNT14 SCANCNT13 SCANCNT12 SCANCNT11 SCANCNT10 SCANCNT9 SCANCNT8 R R R R R R R R 7-0 SCANCNT[15:8] Line number which scanner has finished. For example, after setting the line number (Reg 25, 26 27) and execute the scanning enable (bit 0 of Reg 01), designers can get line number which has been finished via these registers. Offset 4Dh ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00 SCANCNT7 SCANCNT6 SCANCNT5 SCANCNT4 SCANCNT3 SCANCNT2 SCANCNT1 SCANCNT0 R R R R R R R R 7-0 SCANCNT[7:0] Line number which scanner has finished. For example, after setting the line number (Reg 25, 26 27) and execute the scanning enable (bit 0 of Reg 01), designers can get line number which has been finished via these registers. Offset 4Eh GMMRDDATA R GMMRDDATA This port is for designers to read gamma table back. Offset 4Fh X X X ROMBSY LCMBSY TX232BSY RX232BSY RXREADY X X X R R R R R 7-5 RESERVED - 4 ROMBSY 0 EEPROM is ready for access. 1 EEPROM (93C46) is busy and can not be accessed. 3 LCMBSY 0 LCM interface is ready for access. 1 LCM interface is busy and can not be accessed. 2 TX232BSY 0 RS232 transmitter is ready for access. 1 RS232 transmitter is busy and can not be accessed. 1 RX232BSY 0 RS232 receiver is ready for access. 1 RS232 receiver is busy and can not be accessed. 0 RXREADY 0 The receiving has not been completed. |
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