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ES9219C датащи(PDF) 11 Page - ESS Technology,Inc |
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ES9219C датащи(HTML) 11 Page - ESS Technology,Inc |
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11 / 67 page ![]() ES9219 Datasheet CONFIDENTIAL ADVANCE INFORMATION 1.0.4 February 27, 2020 11 ESS TECHNOLOGY, INC. 237 South Hillview Drive, Milpitas, CA 95035, USA Tel (408) 643-8800 • Fax (408) 643-8801 Master Mode The DAC can be configured for master mode operation using Register 10: MASTER MODE AND SYNC CONFIGURATION. Register 1: Input selections (0x01) input_select must also be set to either DSD or Serial mode. Auto Select will not work correctly in master mode. DATA_CLK frequency can be configured using one of the following methods: 1. Set the desired master_div in Register 10: MASTER MODE AND SYNC CONFIGURATION. OR 2. Use NCO mode to set CLK/FSR ratio with Register 34-37: Programmable NCO (0x22 – 0x25). When NCO mode is enabled it has precedence and the master_div setting will be ignored. An available GPIO pin can be configured to output CLK using Register 8: GPIO1-2 CONFIGURATION. GPIO1 is recommended for this purpose since GPIO2 is used to control Low Power Bypass mode. Contact your local FAE for DoP master mode support. SLAVE PCM MODE BCK(Bit Clock) LRCK(Frame Clock) SIN(Serial PCM Data) DATA_CLK DATA1 DATA2 MASTER PCM MODE BCK(Bit Clock) LRCK(Frame Clock) SIN(Serial PCM Data) DATA_CLK DATA1 DATA2 MCLK(Master Clock) GPIO1 SLAVE DSD MODE DSD DATA_CLK DSD DATA1 (L) DSD DATA2 (R) DATA_CLK DATA1 DATA2 MASTER DSD MODE DSD DATA_CLK DSD DATA1 (L) DSD DATA2 (R) DATA_CLK DATA1 DATA2 MCLK (Master Clock) GPIO1 |
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