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WM8753LEB/RV датащи(PDF) 52 Page - Wolfson Microelectronics plc |
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WM8753LEB/RV датащи(HTML) 52 Page - Wolfson Microelectronics plc |
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52 / 87 page ![]() Advanced Information WM8753L w AI Rev 3.1 June 2004 52 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION 4:3 GPIO5M[1:0] 00 Configures GPIO5 pin. (2-wire interface mode only) 00 = Input only. 01 = INT from interrupt controller. 10 = Drive low. 11 = Drive high. R27 (1Bh) GPIO Control (1) 2:0 GPIO4M[2:0] 000 Configures GPIO4 pin. 000 = Input only. 001 = unused. 010 = input only with pull-down. 011 = Input only with pull-up. 100 = Drive low. 101 = Drive high. 110 = SDOUT from control interface 111 = INT from interrupt controller 8:6 GPIO3M[2:0] 000 Configures GPIO3 pin 000 = Input only. 001 to 011 Reserved. 100 = Drive low. 101 = Drive high. 110 = SDOUT from control interface. 111 = INT from interrupt controller. 5:3 GP2M[2:0] 000 Configures GP2/CLK2 pin when CLK2EN=0 000 = Drive low. 001 = Drive high. 010 = SDOUT from control interface. 011 = INT from interrupt controller. 100 = ADC clock (=256 x fs) 101 = Hi-Fi DAC clock (=256 x fs) 110 = ADC clock divided by 2 111 = DAC clock divided by 2 R28 (1Ch) GPIO Control (2) 2:0 GP1M[2:0] 000 Configures GP1/CLK1 pin when CLK1EN=0 000 = Drive low. 001 = Drive high. 010 = SDOUT from control interface. 011 = INT from interrupt controller. 100 to 111 = reserved Table 49 GPIO Control Note: GPIO5 must not be used in 3-wire interface mode. GPIO5 pin is shared with 3-wire interface CSB. Enabling GPIO5 as an output will prevent 3-wire writes to the WM8753L. |
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