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X9261UV24 Datasheet(PDF) 11 Page - Intersil Corporation |
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X9261UV24 Datasheet(HTML) 11 Page - Intersil Corporation |
11 / 21 page 11 FN8171.2 September 14, 2005 Table 5. Instruction Set Note: 1/0 = data is one or zero INSTRUCTION FORMAT Read Wiper Counter Register (WCR) Write Wiper Counter Register (WCR) Read Data Register (DR) Instruction Instruction Set Operation I3 I2 I1 I0 RB RA 0 P0 Read Wiper Counter Register 1 0 0 1 0 0 0 1/0 Read the contents of the Wiper Counter Register pointed to by P0 Write Wiper Counter Register 1 0 1 0 0 0 0 1/0 Write new value to the Wiper Counter Register pointed to by P0 Read Data Register 1 0 1 1 1/0 1/0 0 1/0 Read the contents of the Data Register pointed to by P0 and RB - RA Write Data Register 1 1 0 0 1/0 1/0 0 1/0 Write new value to the Data Register pointed to by P0 and RB - RA XFR Data Register to Wiper Counter Register 1 1 0 1 1/0 1/0 0 1/0 Transfer the contents of the Data Register pointed to by P0 and RB - RA to its associated Wiper Counter Register XFR Wiper Counter Register to Data Register 1 1 1 0 1/0 1/0 0 1/0 Transfer the contents of the Wiper Counter Register pointed to by P0 to the Data Register pointed to by RB - RA 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 RB - RA of all four pots to their respective 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 RB - RA of all four pots Increment/Decrement Wiper Counter Register 0 0 1 0 0 0 0 1/0 Enable Increment/decrement of the Control Latch pointed to by P0 CS Falling Edge Device Type Identifier Device Addresses Instruction Opcode WCR Addresses Wiper Position (Sent by X9261 on SO) CS Rising Edge 0 1 0 1 0 0 A1 A0 100 100 0 P0 W C R 7 W C R 6 W C R 5 W C R 4 W C R 3 W C R 2 W C R 1 W C R 0 CS Falling Edge Device Type Identifier Device Addresses Instruction Opcode WCR Addresses Data Byte (Sent by Host on SI) CS Rising Edge 0 1 0 1 0 0 A1 A0 1 0 1000 0 P0 W C R 7 W C R 6 W C R 5 W C R 4 W C R 3 W C R 2 W C R 1 W C R 0 CS Falling Edge Device Type Identifier Device Addresses Instruction Opcode DR and WCR Addresses Data Byte (Sent by X9271 on SO) CS Rising Edge 0 10100 A1 A0 1 0 1 1 RB RA 0 P0 D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0 X9261 |
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