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EM84520AP Datasheet(PDF) 7 Page - ELAN Microelectronics Corp |
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EM84520AP Datasheet(HTML) 7 Page - ELAN Microelectronics Corp |
7 / 19 page EM84520 2-IN-ONE SCROLLING MOUSE CONTROLLER 7 * This specification are subject to be changed without notice. 6.28.1999 Preliminary Preliminary Preliminary Preliminary Preliminary c). Set default: sampling rate: 100 reports/s non-autospeed stream mode 2 dots/count disable b). Resend ( FE ) a). Any time EM84520 receives an invalid command, it returns a Resend command to the system. b). When EM84520 receives a Resend command, it retransmits its last packet of data. If the last packet was a Resend command, it transmits the packet just prior to the Resend command. c). In stream mode, if a Resend command is received by EM84520 immediately following a 3-byte data packet transmission to the system. c). Set Default ( F6 ) The command reinitializes all conditions to the power-on defaults. d). Disable ( F5 ) This command is used in the stream mode to stop transmissions from EM84520. e). Enable ( F4 ) Begins transmissions, if in stream mode. f). Set Sampling Rate ( F3,XX ) In the stream mode, this command sets the sampling rate to the value indicated by byte hex XX, shown in following: Second byte XX Sample Rate 0A 10/sec 14 20/sec 28 40/sec 3C 60/sec 50 80/sec 64 100/sec C8 200/sec g). Read Device Type ( F2 ) EM84520 always echoes “ FA,00 “ following this command. h). Set Remote Mode ( F0 ) Data value are reported only in response to a Read Data command. i). Set Wrap Mode ( EE ) Wrap mode remains until Reset ( FF ) or Reset Wrap Mode( EC ) is received. j). Reset Wrap Mode ( EC ) EM84520 returns to the previous mode of operation after receiving this command. k). Read Data ( EB ) |
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