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PGA2310PAG4 Datasheet(PDF) 8 Page - Burr-Brown (TI) |
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PGA2310PAG4 Datasheet(HTML) 8 Page - Burr-Brown (TI) |
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8 / 17 page  PGA2310 SBOS207B − OCTOBER 2001 − REVISED JUNE 2004 www.ti.com 8 SERIAL CONTROL PORT The serial control port is utilized to program the gain settings for the PGA2310. The serial control port includes three input pins and one output pin. The inputs include CS (pin 2), SDI (pin 3), and SCLK (pin 6). The sole output pin is SDO (pin 7). The CS pin functions as the chip select input. Data may be written to the PGA2310 only when CS is low. SDI is the serial data input pin. Control data is provided as a 16-bit word at the SDI pin, 8 bits each for the left and right channel gain settings. Data is formatted as MSB first, straight binary code. SCLK is the serial clock input. Data is clocked into SDI on the rising edge of SCLK. SDO is the serial data output pin, and is used when daisy-chaining multiple PGA2310 devices. Daisy-chain operation is described in detail later in this section. SDO is a tristate output, and assumes a high impedance state when CS is high. The protocol for the serial control port is shown in Figure 2. See Figure 3 for detailed timing specifications of the serial control port. Gain Byte Format is MSB First, Straight Binary R0 is the Least Significant Bit of the Right Channel Gain Byte R7 is the Most Significant Bit of the Right Channel Gain Byte L0 is the Least Significant Bit of the Left Channel Gain Byte L7 is the Most Significant Bit of the Left Channel Gain Byte SDI is latched on the rising edge of SCLK. SDO transitions on the falling edge of SCLK. CS SCLK SDI SDO R6 R5 R4 R3 R2 R1 R0 L7 L6 L5 L4 L3 L2 L1 L0 R7 R7 R6 R5 R4 R3 R2 R1 R0 L7 L6 L5 L4 L3 L2 L1 L0 Figure 2. Serial Interface Protocol |
Similar Part No. - PGA2310PAG4 |
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Similar Description - PGA2310PAG4 |
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