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X9258UV24 Datasheet(PDF) 6 Page - Xicor Inc. |
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X9258UV24 Datasheet(HTML) 6 Page - Xicor Inc. |
6 / 22 page X9258 Characteristics subject to change without notice. 6 of 22 REV 1.1.7 2/4/03 www.xicor.com Table 1. Instruction Set Note: (1) 1/0 = data is one or zero Figure 4. Three-Byte Instruction Sequence Instruction Instruction Set Operation I3 I2 I1 I0 R1 R0 P1 P0 Read Wiper Counter Register 1 0 0 1 0 0 1/0 1/0 Read the contents of the Wiper Counter Regis- ter pointed to by P1–P0 Write Wiper Counter Register 1 0 1 0 0 0 1/0 1/0 Write new value to the Wiper Counter Register pointed to by P1–P0 Read Data Register 1 0 1 1 1/0 1/0 1/0 1/0 Read the contents of the Data Register pointed to by P1–P0 and R1–R0 Write Data Register 1 1 0 0 1/0 1/0 1/0 1/0 Write new value to the Data Register pointed to by P1–P0 and R1–R0 XFR Data Register to Wiper Counter Regis- ter 1 1 0 1 1/0 1/0 1/0 1/0 Transfer the contents of the Data Register point- ed to by P1–P0 and R1–R0 to its associated Wip- er Counter Register XFR Wiper Counter Register to Data Register 1 1 1 0 1/0 1/0 1/0 1/0 Transfer the contents of the Wiper Counter Reg- ister pointed to by P1–P0 to the Data Register pointed to by R1–R0 Global XFR Data Registers to Wiper Counter Registers 0 0 0 1 1/0 1/0 0 0 Transfer the contents of the Data Registers pointed to by R1–R0 of all four pots to their re- spective Wiper Counter Registers Global XFR Wiper Counter Registers to Data Register 1 0 0 0 1/0 1/0 0 0 Transfer the contents of both Wiper Counter Registers to their respective data Registers pointed to by R1–R0 of all four pots Increment/Decrement Wiper Counter Regis- ter 0 0 1 0 0 0 1/0 1/0 Enable Increment/decrement of the Control Latch pointed to by P1–P0 S T A R T 0 1 0 1 A3 A2 A1 A0 A C K I3 I2 I1 I0 R1 R0 P1 P0 A C K SCL SDA S T O P A C K D7 D6 D5 D4 D3 D2 D1 D0 |
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