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WM8904ECS/R Datasheet(PDF) 173 Page - Wolfson Microelectronics plc |
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WM8904ECS/R Datasheet(HTML) 173 Page - Wolfson Microelectronics plc |
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173 / 188 page  Pre-Production WM8904 w PP, Rev 3.3, September 2012 173 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R126 (7Eh) Digital Pulls 7 MCLK_PU 0 MCLK pull-up resistor enable 0 = pull-up disabled 1 = pull-up enabled Digital Audio Interface Control 6 MCLK_PD 0 MCLK pull-down resistor enable 0 = pull-down disabled 1 = pull-down enabled Digital Audio Interface Control 5 DACDAT_PU 0 DACDAT pull-up resistor enable 0 = pull-up disabled 1 = pull-up enabled Digital Audio Interface Control 4 DACDAT_PD 0 DACDAT pull-down resistor enable 0 = pull-down disabled 1 = pull-down enabled Digital Audio Interface Control 3 LRCLK_PU 0 LRCLK pull-up resistor enable 0 = pull-up disabled 1 = pull-up enabled Digital Audio Interface Control 2 LRCLK_PD 0 LRCLK pull-down resistor enable 0 = pull-down disabled 1 = pull-down enabled Digital Audio Interface Control 1 BCLK_PU 0 BCLK pull-up resistor enable 0 = pull-up disabled 1 = pull-up enabled Digital Audio Interface Control 0 BCLK_PD 0 BCLK pull-down resistor enable 0 = pull-down disabled 1 = pull-down enabled Digital Audio Interface Control Register 7Eh Digital Pulls REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R127 (7Fh) Interrupt Status 10 IRQ 0 Logical OR of all other interrupt flags Interrupts 9 GPIO_BCLK_EI NT 0 GPIO4 interrupt 0 = interrupt not set 1 = interrupt is set Cleared when a ‘1’ is written Interrupts 8 WSEQ_EINT 0 Write Sequence interrupt 0 = interrupt not set 1 = interrupt is set Cleared when a ‘1’ is written. Note that the read value of WSEQ_EINT is not valid whilst the Write Sequencer is Busy Interrupts 7 GPIO3_EINT 0 GPIO3 interrupt 0 = interrupt not set 1 = interrupt is set Cleared when a ‘1’ is written Interrupts 6 GPIO2_EINT 0 GPIO2 interrupt 0 = interrupt not set 1 = interrupt is set Cleared when a ‘1’ is written Interrupts 5 GPIO1_EINT 0 GPIO1 interrupt 0 = interrupt not set 1 = interrupt is set Cleared when a ‘1’ is written Interrupts |
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