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CM6533DH Datasheet(PDF) 16 Page - C-Media Electronics |
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CM6533DH Datasheet(HTML) 16 Page - C-Media Electronics |
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16 / 60 page  CM6533,CM6533N,CM6533X1,CM6533DH USB Audio Chip Page 16 / 60 www.cmedia.com.tw Rev.1.6 Copyright© C-Media Electronics Inc. 4 I2C_SCLK DIO 2-wire serial clock, 3.3V I/O, 5V tolerant, bidirectional buffer with 8mA driving current, Default weak pull-up for input. Miscellaneous 2 PDSW DO Power Down Switch is an output buffer with 8mA Tri-state output. Normal mode: 0 Suspend mode: 1 3 TEST DI The TEST pin is used for IC test, another one is in the situation when F/W was crash or USB was not recognized, Set TEST pin to 3.3V before USB connect can force MCU into boot loader mode and able to update F/W via configuration tool, Default weak pull-down for input. 1: Boot loader mode 0 or floating: Normal operation **Note: GPIOs, I2C, SPI, SPDIF, MIC_SWOUT, MICL, MICR_RING2, MBIASL, MBIASR_SLEEVE, VAG, LOUTL, LOCOM, LOUTR, VOLADJ, PDSW, TEST pins can be left floating if not in use. |
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