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WM8961 Fiches technique(PDF) 99 Page - Wolfson Microelectronics plc |
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WM8961 Fiches technique(HTML) 99 Page - Wolfson Microelectronics plc |
99 / 116 page WM8961 Pre-Production w PP, August 2009, Rev 3.1 99 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R88 (58h) Write Sequencer 2 8 WSEQ_EOS 0 Writes to the EOS field in the current write sequencer memory location (specified by last write to WSEQ_WRITE_INDEX). 0 – not end of current sequence 1 – end of current sequence. The write sequencer will stop after this write has been completed. 7:0 WSEQ_ADDR[7:0] 0000_0000 This data will be written into the Register Address field of the current write sequencer memory location (specified by WSEQ_WRITE_INDEX). Register 58h Write Sequencer 2 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R89 (59h) Write Sequencer 3 7:0 WSEQ_DATA[7:0] 0000_0000 The Data which is to be used to overwrite the current register bits. Only bits [WSEQ_DATA_WIDTH:0] of this register are used. The remaining bits should be set to 0. Register 59h Write Sequencer 3 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R90 (5Ah) Write Sequencer 4 8 WSEQ_ABORT 0 Quit the current sequence and return control of the device back to the serial control interface. 7 WSEQ_START 0 Starts the write sequencer. The write sequencer will start writing the contents of its memory from WSEQ_START_INDEX until it reaches an end-of-sequence flag. Note that this bit will be reset by the Write Sequencer state machine at the end of each sequence. 5:0 WSEQ_START_INDEX[5:0] 00_0000 Sequence Start Index. Gives the location in memory that the Write Sequencer will start executing from. 00_0000 -> 01_1111 : locations in RAM portion of memory 10_0000 -> 11_0000 : location in ROM portion of memory. 11_0001 -> 11_1111 : reserved. Register 5Ah Write Sequencer 4 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R91 (5Bh) Write Sequencer 5 6:4 WSEQ_DATA_WIDTH[2:0] 000 Sets the highest bit of the bit slice that the write sequencer will write to. Total width = value of this register + 1. For example: 000: Highest bit is 0. Data width 1 001: Highest bit is 1. Data width 2 … 111: Highest bit is 7. Data width 8 3:0 WSEQ_DATA_START[3:0] 0000 Selects the bit in the register for WSEQ_DATA to replace. For example, if: WSEQ_ADDR = 2Eh WSEQ_DATA_WIDTH = 3 WSEQ_DATA_START = 5, the write sequencer (when the sequence is activated) will replace bits [7:5] of register 2Eh with the data supplied in WSEQ_DATA[2:0]. Register 5Bh Write Sequencer 5 |
Numéro de pièce similaire - WM8961 |
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Description similaire - WM8961 |
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