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X9408WV24I-2.7 Datasheet(PDF) 9 Page - Intersil Corporation |
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X9408WV24I-2.7 Datasheet(HTML) 9 Page - Intersil Corporation |
9 / 20 page 9 FN8191.4 January 15, 2009 One 6-bit Wiper Counter Register for each XDCP. (Four 6-bit registers in total.) {D5~D0}: These bits specify the wiper position of the respective XDCP. The Wiper Counter Register is loaded on power-up by the value in Data Register 0. The contents of the WCR can be loaded from any of the other Data Register or directly. The contents of the WCR can be saved in a DR. Instruction Format NOTES: 1. “MACK”/”SACK”: stands for the acknowledge sent by the master/slave. 2. “A3 ~ A0”: stands for the device addresses sent by the master. 3. “X”: indicates that it is a “0” for testing purpose but physically it is a “don’t care” condition. 4. “I”: stands for the increment operation, SDA held high during active SCL phase (high). 5. “D”: stands for the decrement operation, SDA held low during active SCL phase (high). Read Wiper Counter Register (WCR) Write Wiper Counter Register (WCR) Read Data Register (DR) Write Data Register (DR) XFR Data Register (DR) to Wiper Counter Register (WCR) TABLE 3. WIPER COUNTER REGISTER, (6-BIT), VOLATILE WP5 WP4 WP3 WP2 WP1 WP0 VVVVVV (MSB) (LSB) S T A R T DEVICE TYPE IDENTIFIER DEVICE ADDRESSES S A C K INSTRUCTION OPCODE WCR ADDRESSES S A C K WIPER POSITION (SENT BY SLAVE ON SDA) M A C K S T O P 0 1 0 1 A3 A2 A1 A0 1 0 0 1 0 0 P1 P0 0 0 WP 5 WP 4 WP 3 WP 2 WP 1 WP 0 S T A R T DEVICE TYPE IDENTIFIER DEVICE ADDRESSES S A C K INSTRUCTION OPCODE WCR ADDRESSES S A C K WIPER POSITION (SENT BY MASTER ON SDA) S A C K S T O P 0 1 0 1 A3 A2 A1 A0 1010 0 0 P1 P0 0 0 W P5 W P4 W P3 W P2 W P1 W P0 S T A R T DEVICE TYPE IDENTIFIER DEVICE ADDRESSES S A C K INSTRUCTION OPCODE DR AND WCR ADDRESSES S A C K WIPER POSITION/DATA (SENT BY SLAVE ON SDA) M A C K S T O P 0 1 0 1 A3 A2 A1 A0 1011 R1 R0 P1 P0 0 0 W P5 W P4 W P3 W P2 W P1 W P0 S T A R T DEVICE TYPE IDENTIFIER DEVICE ADDRESSES S A C K INSTRUCTION OPCODE DR AND WCR ADDRESSES S A C K WIPER POSITION/DATA (SENT BY MASTER ON SDA) S A C K S T O P HIGH-VOLTAGE WRITE CYCLE 0 1 0 1 A3 A2 A1 A0 1100 R1 R0 P1 P0 00 W P5 W P4 W P3 W P2 W P1 W P0 S T A R T DEVICE TYPE IDENTIFIER DEVICE ADDRESSES S A C K INSTRUCTION OPCODE DR AND WCR ADDRESSES S A C K S T O P 0101 A3 A2 A1 A0 1 1 0 1 R1 R0 P1 P0 X9408 |
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