Texas Instruments DS320PR810-SMP-EVM, Руководство пользователя, Страница: 3 / 19

2 Description
2.1 DS320PR810 5-Level I/O Control Inputs
The DS320PR810 features 5-level input pins (MODE, GAIN0, GAIN1, RX_DET, EQ0_0/ADDR0, EQ1_0/ADDR1,
EQ0_1, and EQ1_1) that are used to control the configuration of the device. These 5-level inputs use a resistor
divider to set the valid levels to provide a wider range of control settings.
Table 2-1. Five-Level Control Pin Settings
PIN LEVEL PIN SETTING
L0 1 kΩ to GND
L1 8.25 kΩ to GND
L2 24.9 kΩ to GND
L3 75 kΩ to GND
L4 Float
2.2 DS320PR810 Modes of Operation
Each DS320PR810 can be configured to operate in either Pin Mode or I2C Mode. The mode of operation of the
DS320PR810 is determined by the pin strap setting on the MODE pin as shown in
Table 2-2 .
Table 2-2. Modes of Operation
MODE PIN LEVEL MODE OF OPERATION
L0 Pin Mode
L1
SMBus Mode or I2C Primary
Mode
L2
SMBus Mode or I2C Secondary
Mode
L3 RESERVED
L4 RESERVED
www.ti.com Description
SNLU298 – AUGUST 2021
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DS320PR810-SMP-EVM User's Guide 3
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