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WM8953ECS/RV датащи(PDF) 50 Page - Wolfson Microelectronics plc |
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WM8953ECS/RV датащи(HTML) 50 Page - Wolfson Microelectronics plc |
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50 / 100 page ![]() WM8953 Production Data w PD, January 2009, Rev 4.0 50 The IRQ register (R18) is described in Table 30. REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION 12 IRQ (ro) Read Only IRQ Readback (Allows polling of IRQ status) 11 TEMPOK (rr) Read or Reset Temperature OK status Read- 0 = Device temperature NOT ok 1 = Device temperature ok Write - 1 = Reset TEMPOK latch 10 MICSHRT (rr) Read or Reset MICBIAS short status Read- 0 = MICBIAS ok 1 = MICBIAS shorted Write- 1 = Reset MICSHRT latch 9 MICDET (rr) Read or Reset MICBIAS detect status MICBIAS microphone detect Readback Read- 0 = No Microphone detected 1 = Microphone detected Write- 1 = Reset MICDET latch 8 PLL_LCK (rr) Read or Reset PLL Lock status Read- 0 = PLL NOT locked 1 = PLL locked Write- 1 = Reset PLL_LCK latch R18 (12h) 7:0 GPIO_STATUS [7:0] (rr) Read or Reset GPIO and GPI Input Pin Status GPIO_STATUS[7] = GPI8 pin status GPIO_STATUS[6] = GPI7 pin status GPIO_STATUS[5] = Reserved GPIO_STATUS[4] = GPIO5 status GPIO_STATUS[3] = GPIO4 status GPIO_STATUS[2] = GPIO3 status GPIO_STATUS[1] = Reserved GPIO_STATUS[0] = Reserved R23 (17h) GPIO Control (2) 12 IRQ_INV (rw) 0b IRQ Invert 0 = IRQ output active high 1 = IRQ output active low Table 30 GPIO Interrupt and Status Readback |
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