X9418 XFR Wiper Counter Register (WCR) to Data Register (DR) S device type device instruction DR and WCR S S S T identifier addresses opcode addresses A A T HIGH-VOLTAGE A C C O WRITE CYCLE R 0 1 0 1 A A A A R 3 2 1 0 K 1 1 1 0 R 1 0 0 P 0 K P T Increment/Decrement Wiper Counter Register (WCR) S device type device instruction WCR increment/decrement S S S T identifier addresses opcode addresses (sent by master on SDA) A A T A C C O R 0 1 0 1 A A A A I/ I/ I/ 3 2 1 0 K 0 0 1 0 0 0 0 P 0 K D D . I/ D D P T Global XFR Data Register (DR) to Wiper Counter Register (WCR) S device type device instruction DR S S S T identifier addresses opcode addresses A A T A C C O R 0 1 0 1 A A A A R 3 2 1 0 K 0 0 0 1 R 1 0 0 0 K P T Global XFR Wiper Counter Register (WCR) to Data Register (DR) S device type device instruction DR S S S T identifier addresses opcode addresses A A T HIGH-VOLTAGE A C C O WRITE CYCLE R 0 1 0 1 A A A A R 3 2 1 0 K 1 0 0 0 R 1 0 0 0 K P T SYMBOL TABLEGuidelines for Calculating Typical Values of Bus Pull-Up ResistorsWAVEFORMINPUTSOUTPUTS 120 V R CC MAX MIN = =1.8k Must be Will be 100 IOL MIN steady steady t 80 R RMAX = May change Will change C ce (K) BUS from Low to from Low to 60 Max. High High Resistance istan May change Will change 40 from High to from High to Res Low Low 20 Min. Resistance Don’t Care: Changing: 0 Changes State Not 0 20 40 60 80 100 120 Allowed Known N/A Center Line Bus Capacitance (pF) is High Impedance FN8194 Rev 2.00 Page 10 of 20 October 12, 2006
