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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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MCP4142T-103E/ML 数据表(PDF) 46 Page - Microchip Technology |
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MCP4142T-103E/ML 数据表(HTML) 46 Page - Microchip Technology |
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46 / 88 page  MCP414X/416X/424X/426X DS22059B-page 46 © 2008 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 NV Wiper 0 Write Data nn nnnn nnnn 0010 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 0010 11nn nnnn nnnn 1111 111n nnnn nnnn HV Inc. (WL0 DIS) (3) — 0010 0100 1111 1111 HV Dec. (WL0 EN) (4) — 0010 1000 1111 1111 03h NV Wiper 1 Write Data nn nnnn nnnn 0011 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 0011 11nn nnnn nnnn 1111 111n nnnn nnnn HV Inc. (WL1 DIS) (3) — 0011 0100 1111 1111 HV Dec. (WL1 EN) (4) — 0011 1000 1111 1111 04h (5) Volatile TCON 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 (5) Status Register Read Data nn nnnn nnnn 0101 11nn nnnn nnnn 1111 111n nnnn nnnn 06h (5) Data EEPROM 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 07h (5) Data EEPROM 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 08h (5) Data EEPROM Write Data nn nnnn nnnn 1000 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 1000 11nn nnnn nnnn 1111 111n nnnn nnnn 09h (5) Data EEPROM Write Data nn nnnn nnnn 1001 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 1001 11nn nnnn nnnn 1111 111n nnnn nnnn 0Ah (5) Data EEPROM 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 (5) Data EEPROM Write Data nn nnnn nnnn 1011 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 1011 11nn nnnn nnnn 1111 111n nnnn nnnn 0Ch (5) Data EEPROM Write Data nn nnnn nnnn 1100 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 1100 11nn nnnn nnnn 1111 111n nnnn nnnn 0Dh (5) Data EEPROM Write Data nn nnnn nnnn 1101 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 1101 11nn nnnn nnnn 1111 111n nnnn nnnn 0Eh (5) Data EEPROM Write Data nn nnnn nnnn 1110 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 1110 11nn nnnn nnnn 1111 111n nnnn nnnn 0Fh Data EEPROM Write Data nn nnnn nnnn 1111 00nn nnnn nnnn 1111 1111 1111 1111 Read Data nn nnnn nnnn 1111 11nn nnnn nnnn 1111 111n nnnn nnnn HV Inc. (WP DIS) (3) — 1111 0100 1111 1111 HV Dec. (WP EN) (4) — 1111 1000 1111 1111 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 combi- nation is a command error state and the CMDERR bit will be clear. 3: Disables WiperLock Technology for wiper 0 or wiper 1, or disables Write Protect. 4: Enables WiperLock Technology for wiper 0 or wiper 1, or enables Write Protect. 5: Reserved addresses : Increment or Decrement commands are invalid for these addresses. |
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