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WM8321 数据表(PDF) 149 Page - Wolfson Microelectronics plc |
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WM8321 数据表(HTML) 149 Page - Wolfson Microelectronics plc |
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149 / 253 page  Production Data WM8321 w PD, February 2012, Rev 4.0 149 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R16391 (4007h) Control Interface 2 AUTOINC 1 Enable Auto-Increment function 0 = Disabled 1 = Enabled Register 4007h Control Interface REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R16392 (4008h) Security Key 15:0 SECURITY [15:0] 0000_0000 _0000_000 0 Security Key A value of 9716h must be written to this register to access the user-keyed registers. Register 4008h Security Key REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R16393 (4009h) Software Scratch 15:0 SW_SCRATCH [15:0] 0000_0000 _0000_000 0 Software Scratch Register for use by the host processor. Note that this register’s contents are retained in the BACKUP power state. Register 4009h Software Scratch REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R16394 (400Ah) OTP Control 15 OTP_PROG 0 Selects the PROGRAM device state. 0 = No action 1 = Select PROGRAM mode Note that, after PROGRAM mode has been selected, the chip will remain in PROGRAM mode until a Device Reset. Protected by security key. 13 OTP_MEM 1 Selects ICE or OTP memory for Program commands. 0 = ICE 1 = OTP Protected by security key. 11 OTP_FINAL 0 Selects the FINALISE command, preventing further OTP programming. 0 = No action 1 = Finalise Command Protected by security key. 10 OTP_VERIFY 0 Selects the VERIFY command for the selected OTP memory page(s). 0 = No action 1 = Verify Command Protected by security key. 9 OTP_WRITE 0 Selects WRITE command for the selected OTP memory page(s). 0 = No action 1 = Write Command Protected by security key. |
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