Texas Instruments DS320PR810-RSC-EVM, Руководство пользователя, Страница: 10 / 32

2.9 DS320PR810EVM Upstream Devices Control
Table 2-9 shows DS320PR810EVM upstream devices controls that affect US1-US2 devices on the board.
Table 2-9. EVM Upstream Devices Controls
COMPONENT NAME FUNCTION / DESCRIPTION
J21 4x2 Header
Gain Controls tied to GAIN pins of all downstream device banks
L0: –6 dB Gain Setting
L1: –4 dB Gain Setting
L2: -2 dB Gain Setting
L3: +2 dB Gain Setting
L4: 0 dB Gain Setting (default)
J22 17x2
Pin Mode: EQ1 controls for each upstream device and device bank.
Use pins 1–8 for configuring EQ1_0 pin of Bank 0 of US1 device.
Use pins 9–16 for configuring EQ1_1 pin of Bank 1 of US1 device.
Use pins 17–24 for configuring EQ1_0 pin of Bank 0 of US2 device.
Use pins 25–32 for configuring EQ1_1 pin of Bank 1 of US2 device.
SMBus, I2C Modes: ADDR1 controls for each upstream device.
Use pins 1–8 for configuring ADDR1 pin of US1 device.
Use pins 17–24 for configuring ADDR1 pin of US2 device.
Install a shunt to achieve L0, L1, L2 or L3 level on the pin. Leave floating to
achieve L4 level on the pin.
J23 17x2 Header
Pin Mode: EQ0 controls for each upstream device and device bank.
Use pins 1–8 for configuring EQ0_0 pin of Bank 0 of US1 device.
Use pins 9–16 for configuring EQ0_1 pin of Bank 1 of US1 device.
Use pins 17–24 for configuring EQ0_0 pin of Bank 0 of US2 device.
Use pins 25–32 for configuring EQ0_1 pin of Bank 1 of US2 device.
SMBus, I2C Modes: ADDR0 controls for each upstream device.
Use pins 1–8 for configuring ADDR0 pin of US1 device.
Use pins 17–24 for configuring ADDR0 pin of US2 device.
Install a shunt to achieve L0, L1, L2 or L3 level on the pin. Leave floating to
achieve L4 level on the pin.
J24 3x1 Header
GAIN / SDA Dual Function Pin Provision for US1 Device Install shunt across pins
1-2 for operation in Pin Mode (default) Install shunt across pins 2-3 for operation in
SMBus, I2C Modes
J25 3x1 Header
RX DET / SCL Dual Function Pin Provision for US1 Device Install shunt across
pins 1-2 for operation in Pin Mode (default) Install shunt across pins 2-3 for
operation in SMBus, I2C Modes
J26 3x1 Header
GAIN / SDA Dual Function Pin Provision for US2 Device Install shunt across pins
1-2 for operation in Pin Mode (default) Install shunt across pins 2-3 for operation in
SMBus, I2C Modes
J27 3x1 Header RX DET / SCL Dual Function Pin Provision for US2 Device Install shunt across
pins 1-2 for operation in Pin Mode (default) Install shunt across pins 2-3 for
operation in SMBus, I2C Modes
Description www.ti.com
10 DS320PR810-RSC-EVM User's Guide SNLU297 – MAY 2021
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