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X9250US24I Datasheet(PDF) 7 Page - Xicor Inc. |
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X9250US24I Datasheet(HTML) 7 Page - Xicor Inc. |
7 / 21 page X9250 Characteristics subject to change without notice. 7 of 21 REV 1.1.5 1/31/03 www.xicor.com Figure 8. Increment/Decrement Timing Limits Table 1. Instruction Set Instruction Instruction Set Operation I3 I2 I1 I0 R1 R0 P1 P0 Read Wiper Counter Register 10 0 1 0 0 P1 P0 Read the contents of the Wiper Counter Register pointed to by P1-P0 Write Wiper Counter Register 10 1 0 0 0 P1 P0 Write new value to the Wiper Counter Register pointed to by P1-P0 Read Data Register 1 0 1 1 R1 R0 P1 P0 Read the contents of the Data Register pointed to by P1-P0 and R1–R0 Write Data Register 1 1 0 0 R1 R0 P1 P0 Write new value to the Data Register pointed to by P1-P0 and R1–R0 XFR Data Register to Wiper Counter Register 11 0 1 R1 R0 P1 P0 Transfer the contents of the Data Register pointed to by R1–R0 to the Wiper Counter Register pointed to by P1-P0 XFR Wiper Counter Register to Data Register 11 1 0 R1 R0 P1 P0 Transfer the contents of the Wiper Counter Register pointed to by P1-P0 to the Register pointed to by R1–R0 Global XFR Data Register to Wiper Counter Register 00 0 1 R1 R0 0 0 Transfer the contents of the Data Registers pointed to by R1–R0 of all four pots to their respective Wiper Counter Register Global XFR Wiper Counter Register to Data Register 10 0 0 R1 R0 0 0 Transfer the contents of all Wiper Counter Registers to their respective data Registers pointed to by R1–R0 of all four pots Increment/Decrement Wiper Counter Register 00 1 0 0 0 P1 P0 Enable Increment/decrement of the Wiper Counter Register pointed to by P1-P0 Read Status (WIP bit) 0 1 0 1 0 0 0 1 Read the status of the internal write cycle, by checking the WIP bit. SCK SI VW/RW INC/DEC CMD Issued tWRID Voltage Out |
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