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TMP117 Datasheet(PDF) 28 Page - Texas Instruments |
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TMP117 Datasheet(HTML) 28 Page - Texas Instruments |
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28 / 45 page  28 TMP117 SNOSD82 – JUNE 2018 www.ti.com Product Folder Links: TMP117 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated 7.6.1.6 EEPROM Unlock Register (address = 04h) [reset = 0000h] Figure 31. EEPROM Unlock Register 15 14 13 12 11 10 9 8 EUN EEPROM_Busy — — — — — — R/W-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 7 6 5 4 3 2 1 0 — — — — — — — — R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0 Table 12. EEPROM Unlock Register Field Descriptions BIT FIELD TYPE RESET DESCRIPTION 15 EUN R/W 0 EEPROM unlock. 0: EEPROM is locked for programming: writes to all EEPROM addresses (such as configuration, limits, and EEPROM locations 1-4) are written to registers in digital logic and are not programmed in the EEPROM 1: EEPROM unlocked for programming: any writes to writable registers program the respective location in the EEPROM 14 EEPROM_Busy R 0 EEPROM busy. This flag is the mirror of the EEPROM busy flag (bit 12) in the configuration register. 0: Indicates that the EEPROM is ready, which means that the EEPROM has finished the last transaction and is ready to accept new commands 1: Indicates that the EEPROM is busy, which means that the EEPROM is currently completing a program or power-up on reset load 13:0 — R 0 Not used 7.6.1.7 EEPROM1 Register (address = 05h) [reset = 0000h] The EEPROM1 register is a 16-bit register that be used as a scratch pad by the customer to store general- purpose data. This register has a corresponding EEPROM location. Writes to this address when the EEPROM is locked write data into the register and not to the EEPROM. Writes to this register when the EEPROM is unlocked causes the corresponding EEPROM location to be programmed. See the Programming the EEPROM section for more information. EEPROM[4:1] are preprogrammed during manufacturing with the unique ID that can be overwritten. To support NIST traceability, do not delete or reprogram EEPROM[4:1]. Figure 32. EEPROM1 Register 15 14 13 12 11 10 9 8 D15 D14 D13 D12 D11 D10 D9 D8 R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x 7 6 5 4 3 2 1 0 D7 D6 D5 D4 D3 D2 D1 D0 R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x Table 13. EEPROM1 Register Field Descriptions BIT FIELD TYPE RESET DESCRIPTION 15:0 D[15:0] R/W xxxxh This 16-bit register is to be used as a scratch pad by the customer. |
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