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XR22804

MaxLinear
Part Number XR22804
Manufacturer MaxLinear
Description Hi-Speed USB to 10/100 Ethernet Bridge
Published Sep 1, 2018
Detailed Description XR22804 Hi-Speed USB to 10/100 Ethernet Bridge with 4 UARTs General Description The XR22804 is a Hi-Speed USB 2.0 compo...
Datasheet PDF File XR22804 PDF File

XR22804
XR22804


Overview
XR22804 Hi-Speed USB to 10/100 Ethernet Bridge with 4 UARTs General Description The XR22804 is a Hi-Speed USB 2.
0 compound device with an embedded hub and 7 downstream USB functions: 10/100 Ethernet MAC and Phy, 4 UARTs, multi-master capable I2C controller, and an Enhanced Dedicated GPIO Entity (EDGE) controller.
The upstream USB interface has an integrated USB 2.
0 PHY and device controller that is compliant with both Hi-Speed (480Mbps) and Full-Speed (12Mbps) USB 2.
0.
The vendor ID, product ID, power mode, remote wakeup support and maximum power consumption are amongst the values that can be programmed using the on-chip One-Time Programmable (OTP) memory.
The 10/100 Ethernet MAC and PHY is compliant with IEEE 802.
3 and supports auto-negotiation, auto-MDIX, checksum offload, auto-polarity correction in 10Base-T and remote wakeup capabilities.
The enhanced UART has a maximum data rate of 15 Mbps.
Using a fractional baud rate generator, any baud rate between 300 bps and 15 Mbps can be accurately generated.
In addition, the UART has a large 1024-byte TX FIFO and RX FIFO to optimize the overall data throughput for various applications.
The automatic RS485 control feature simplifies both the hardware and software for half-duplex RS-485 applications.
If required, the multidrop (9-bit) mode feature further simplifies typical multidrop applications by enabling / disabling the UART receiver depending on the address byte received.
The multi-master capable I2C controller and EDGE controller (up to 32 GPIOs) can be accessed via the USB HID interface.
The EDGE pins or I2C interface can be used for controlling and monitoring other peripherals.
Up to 2 EDGE pins can be configured as a PWM generator.
FEATURES  USB 2.
0 Compliant Interface  10/100 Ethernet MAC and Phy  Enhanced UART  I2C Multi-master  Enhanced Dedicated GPIO Entity (EDGE)  Single 5.
0V Power Supply Input  Regulated +3.
3V Output Power  Single 25MHz Crystal  ±15kV HBM ESD Protection on USB data pins  ±8kV HB...


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