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WM8903 Datasheet(PDF) 130 Page - Wolfson Microelectronics plc |
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WM8903 Datasheet(HTML) 130 Page - Wolfson Microelectronics plc |
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130 / 178 page  WM8903 Production Data w PD, Rev 4.5, June 2012 130 SOFTWARE RESET AND CHIP ID A Software Reset can be commanded by writing to Register R0. This is a read-only register field and the contents will not be affected by writing to this Register. The Chip ID can be read back from Register R0. The Chip Revision ID can be read back from Register 1, as described in Table 84. REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R0 (00h) SW Reset and ID 15:0 SW_RST_DE C_ID1 [15:0] 8903h Writing to this register resets all registers to their default state. Reading from this register will indicate Device ID 8903h. R1 (01h) Revision Number 3:0 CHIP_REV [3:0] 0010b Reading from this register will indicate the Revision ID. (Read-Only Register) Table 84 Software Reset and Chip ID |
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