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ES9080 датащи(PDF) 81 Page - ESS Technology,Inc |
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ES9080 датащи(HTML) 81 Page - ESS Technology,Inc |
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81 / 146 page ![]() CONFIDENTIAL ADVANCE INFORMATION 0.4.3 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 WWW.ESSTECH.COM 81 ES9080 Product Datasheet Register 78: MASTER MODE CONFIG Bits [7] [6] [5] [4:3] [2] [1] [0] Default 1'b0 1'b0 1'b0 2'd0 1'b0 1'b0 1'b0 Bits Mnemonic Description [7] RESERVED NA [6] MASTER_BCK_DIV1 When enabled, master BCK is 128fs clock. Otherwise, BCK is less than or equal to 64fs. • 1'b0: BCK is not 128fs clock (default) • 1'b1: BCK is 128fs clock [5] MASTER_WS_IDLE Sets the value of master WS when WS is idle. • 1'b0: WS is 0 when idle (default) • 1'b1: WS is 1 when idle [4:3] MASTER_FRAME_LENGTH Selects the bit length in each TDM channel in master mode. • 2'd0: 32 bit (default) • 2'd2: 16 bit • others: Reserved [2] MASTER_WS_PULSE_MODE When enabled, master WS is a pulse signal instead of a 50% duty cycle signal. The pulse width is 1 BCK cycle. • 1'b0: 50% duty cycle WS signal (default) • 1'b1: Pulse WS signal [1] MASTER_WS_INVERT Inverts master WS. • 1'b0: Non-inverted (default) • 1'b1: Inverted [0] MASTER_BCK_INVERT Inverts master BCK or DSD_CLK. • 1'b0: Non-inverted (default) • 1'b1: Inverted Register 79: TDM CONFIG1 Bits [7] [6:4] [3:0] Default 1'b0 3'd0 4'd1 Bits Mnemonic Description [7] TDM_RESYNC Force TDM decoder to resync. • 1'b0: Let decoder sync (default) • 1'b1: Force decoder not sync [6:4] MASTER_WS_SCALE In TDM master mode, tunes master BCK/WS ratio by scaling master WS. It allows more TDM slots in a fixed frame. • 3'd0: No scale (default) • 3'd1: Scale down WS by 2 • 3'd2: Scale down WS by 4 • 3'd3: Scale down WS by 8 • 3'd4: Scale down WS by 16 • others: Reserved [3:0] TDM_CH_NUM Total TDM slot number per frame = TDM_CH_NUM + 1. |
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