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CDCE72010RGCT датащи(PDF) 19 Page - Texas Instruments |
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CDCE72010RGCT датащи(HTML) 19 Page - Texas Instruments |
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19 / 73 page ![]() CDCE72010 www.ti.com.............................................................................................................................................................. SCAS858A – JUNE 2008 – REVISED JULY 2009 Table 4. Register Map REGISTER COMMENTS WRITE PAYLOAD ( DATA) ADDRESS WRITE COMMAND ON MOSI 31,30,29,28….…………..…………………………………….………4,3,2,1,0 Register0 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 0000 Register1 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 0001 Register2 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 0010 Register3 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 0011 Register4 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 0100 Register5 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 0101 Register6 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 0110 Register7 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 0111 Register8 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 1000 Register9 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 1001 Register10 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 1010 Register11 Configuration RAM/EEPROM XXXX XXXX XXXX XXXX XXXX XXXX XXXX 1011 Register12 Status/Control RAM Only XXXX XXXX XXXX XXXX XXXX XXXX XXXX 1100 Register13 Reserved XXXX XXXX XXXX XXXX XXXX XXXX XXXX 1101 Read command (address on 4 LSBs of Instruction XXXX XXXX XXXX XXXX XXXX XXXX AAAA 1110 payload) Instruction Write configuration to EEPROM - UNLOCKED XXXX XXXX XXXX XXXX XXXX XXXX 0001 1111 Instruction Write configuration to EEPROM – LOCKED XXXX XXXX XXXX XXXX 1010 XXXX 0011 1111 READ COMMAND ON MISO DATA PAYLOAD IN READ COMMAND Payload after issuing a read command on DDDD DDDD DDDD DDDD DDDD DDDD DDDD XXXX(1) MOSI (1) During a SPI READ instruction the address field of the payload should be ignored since it does not represent the address of the read register. The SPI serial protocol accepts Word Write operation only. The 12 words include the register settings of the programmable functions of the device that can be modified to the customer application by changing one or more bits. At powerup or if the Power Down (PD) control signal is applied, the EEPROM loads its content into the registers. When issuing an EEPROM programming (LOCKED or UNLOCKED) instruction, a wait period of 50ms has to be inserted before another instruction is written to the device or power is removed. Copyright © 2008–2009, Texas Instruments Incorporated Submit Documentation Feedback 19 Product Folder Link(s): CDCE72010 |
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