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ES9826 데이터시트(PDF) 10 Page - ESS Technology,Inc |
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ES9826 데이터시트(HTML) 10 Page - ESS Technology,Inc |
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10 / 88 page ![]() ES9826 Datasheet VERSION 0.1.2 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 10 Configuration Modes The ES9826 has options for hardware or software modes. They are controlled by the state of the MODE (pin 5): MODE PIN Configuration 0 Software mode - I2C interface Pull Low Hardware mode (see Hardware Mode Table, Table 9) Pull High Hardware mode (see Hardware Mode Table, Table 9) 1 Software mode - SPI interface Table 2 - Mode pin configuration options Software Mode ES9826 supports I2C or SPI serial communication to configure registers. I2C o MODE (Pin 5) – ‘0’ – GND. o Connect per I2C standard. ▪ SDA (Pin 4) ▪ SCL (Pin 3) ▪ ADDR0 (Pin 1) ▪ ADDR1 (Pin 2) Table 3 – I2C addresses SPI o Mode (Pin 5) – ‘1’ – AVDD. o Connect per SPI standard. ▪ MOSI (Pin 4) ▪ SCLK (Pin 3) ▪ SS (Pin 2) ▪ MISO (Pin 1) Table 4 - SPI commands See I2C Slave Interface Timing or SPI Slave Interface for details. I2C Address I2C Synchronous Address (PLL registers) ADDR1 ADDR0 0x40 0x48 GND GND 0x42 0x4A GND AVDD 0x44 0x4C AVDD GND 0x46 0x4E AVDD AVDD SPI command First byte PLL 7 Write 3 Read 1 |
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