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MCP4331-104E/ML Datasheet(PDF) 52 Page - Microchip Technology |
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MCP4331-104E/ML Datasheet(HTML) 52 Page - Microchip Technology |
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52 / 88 page  MCP433X/435X DS22242A-page 52 2010 Microchip Technology Inc. TABLE 7-2: MEMORY MAP AND THE SUPPORTED COMMANDS Address Command Data (10-bits) (1) SPI String (Binary) Value Function MOSI (SDI pin) MISO (SDO pin) (2) 00h Volatile Wiper 0 Write Data nn nnnn nnnn 0000 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 0000 11nn nnnn nnnn 1111 111n nnnn nnnn Increment Wiper — 0000 0100 1111 1111 Decrement Wiper — 0000 1000 1111 1111 01h Volatile Wiper 1 Write Data nn nnnn nnnn 0001 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 0001 11nn nnnn nnnn 1111 111n nnnn nnnn Increment Wiper — 0001 0100 1111 1111 Decrement Wiper — 0001 1000 1111 1111 02h Reserved None — — — 03h Reserved None — — — 04h (3) Volatile TCON 0 Register Write Data nn nnnn nnnn 0100 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 0100 11nn nnnn nnnn 1111 111n nnnn nnnn 05h Reserved None — — — 06h Volatile Wiper 2 Write Data nn nnnn nnnn 0110 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 0110 11nn nnnn nnnn 1111 111n nnnn nnnn Increment Wiper — 0110 0100 1111 1111 Decrement Wiper — 0110 1000 1111 1111 07h Volatile Wiper 3 Write Data nn nnnn nnnn 0111 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 0111 11nn nnnn nnnn 1111 111n nnnn nnnn Increment Wiper — 0111 0100 1111 1111 Decrement Wiper — 0111 1000 1111 1111 08h Reserved None — — — 09h Reserved None — — — 0Ah (3) Volatile TCON 1 Register Write Data nn nnnn nnnn 1010 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 1010 11nn nnnn nnnn 1111 111n nnnn nnnn 0Bh-0Fh Reserved None — — — Note 1: The data memory is only 9-bits wide, so the MSb is ignored by the device. 2: All these address/command combinations are valid, so the CMDERR bit is set. Any other address/command combina- tion is a command error state and the CMDERR bit will be clear. 3: Increment or Decrement commands are invalid for these addresses. |
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