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USB5734 数据表(PDF) 13 Page - Microchip Technology

部件名 USB5734
功能描述  4-Port SS/HS USB Controller Hub
PDF  61 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB5734 数据表(HTML) 13 Page - Microchip Technology

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 2015-2016 Microchip Technology Inc.
DS00001854D-page 13
USB5734
1
PRT_CTL3
I
(PU)
Port 3 Power Enable / Overcurrent Sense.
As an output, this signal is an active high control signal used to enable
power to the downstream port 3. As an input, this signal indicates an
overcurrent condition from an external current monitor on USB port 3.
1
PRT_CTL4
I
(PU)
Port 4 Power Enable / Overcurrent Sense.
As an output, this signal is an active high control signal used to enable
power to the downstream port 4. As an input, this signal indicates an
overcurrent condition from an external current monitor on USB port 4.
GANG_PWR
I
(PU)
When pulled high enables gang mode. Gang power pin when used in
gang mode.
TABLE 3-6:
SPI/UART PIN DESCRIPTIONS
Num
Pins
Symbol
Buffer
Type
Description
1
SPI_CE_N
O12
Active low SPI chip enable output.
GPIO7
I/O12
General purpose input/output 7.
CFG_NON_REM
I
Non-Removable Port Configuration Strap.
This configuration strap is used to configure the number of non-
removable ports. Refer to Section 3.4.3, "Non-Removable Port Con-
figuration (CFG_NON_REM)" for more information.
See Note 3.
1
SPI_CLK
O6
SPI clock output to the serial ROM, when configured for SPI opera-
tion.
UART_RX
I
UART receive pin, when configured for UART operation.
GPIO4
I/O6
General purpose input/output 4.
I2C_SLV_CFG0
I
I2C Slave 0 Configuration Strap.
This configuration strap is used to configure I2C controller 0. Refer to
Section 3.4.1, "SPI/SMBus/I2C/UART Configuration
(I2C_SLV_CFG[1:0])" for additional information.
1
SPI_DO
O6
SPI data output, when configured for SPI operation.
UART_TX
O12
UART transmit pin, when configured for UART operation.
GPIO5
I/O6
General purpose input/output 5.
I2C_SLV_CFG1
I
I2C Slave 1 Configuration Strap.
This configuration strap is used to configure I2C controller 1. Refer to
Section 3.4.1, "SPI/SMBus/I2C/UART Configuration
(I2C_SLV_CFG[1:0])" for additional information.
TABLE 3-5:
USB PORT CONTROL PIN DESCRIPTIONS (CONTINUED)
Num
Pins
Symbol
Buffer
Type
Description



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