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MCP4441 Datasheet(PDF) 62 Page - Microchip Technology |
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MCP4441 Datasheet(HTML) 62 Page - Microchip Technology |
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62 / 100 page  MCP444X/446X DS22265A-page 62 © 2010 Microchip Technology Inc. TABLE 7-2: MEMORY MAP AND THE SUPPORTED COMMANDS Address Command Data (10-bits) (1) Comment Value Function 00h Volatile Wiper 0 Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn Increment Wiper — Decrement Wiper — 01h Volatile Wiper 1 Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn Increment Wiper — Decrement Wiper — 02h NV Wiper 0 Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn High Voltage Increment — Wiper Lock 0 Disable (4) High Voltage Decrement — Wiper Lock 0 Enable (5) 03h NV Wiper 1 Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn High Voltage Increment — Wiper Lock 1 Disable (4) High Voltage Decrement — Wiper Lock 1 Enable (5) 04h (2) Volatile TCON 0 Register Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn 05h (2) Status Register Read Data (3) nn nnnn nnnn 06h Volatile Wiper 2 Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn Increment Wiper — Decrement Wiper — 07h Volatile Wiper 3 Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn Increment Wiper — Decrement Wiper — 08h NV Wiper 2 Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn High Voltage Increment — Wiper Lock 2 Disable (4) High Voltage Decrement — Wiper Lock 2 Enable (5) 09h NV Wiper 3 Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn High Voltage Increment — Wiper Lock 3 Disable (4) High Voltage Decrement — Wiper Lock 3 Enable (5) 0Ah (2) Volatile TCON 1 Register Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn 0Bh (2) Data EEPROM Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn 0Ch (2) Data EEPROM Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn 0Dh (2) Data EEPROM Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn 0Eh (2) Data EEPROM Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn 0Fh Data EEPROM Write Data nn nnnn nnnn Read Data (3) nn nnnn nnnn High Voltage Increment — Write Protect Disable (4) High Voltage Decrement — Write Protect Enable (5) Note 1: The Data Memory is only 9-bits wide, so the MSb is ignored by the device. 2: Increment or Decrement commands are invalid for these addresses. 3: I2C read operation will read 2 bytes, of which the 10-bits of data are contained within. 4: Disables WiperLock Technology for wiper 0, wiper 1, wiper 2, wiper3, or disables Write Protect. 5: Enables WiperLock Technology for wiper 0, wiper 1, wiper 2, wiper3, or enables Write Protect. |
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