Details

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BUY AM79C875KD https://www.utsource.net/itm/p/1196923.html
Ethernet TXRX Single Chip 4-Port 3.3V 10Mbps/100Mbps 100-Pin PQR

Parameter	Description	Value/Range
Device Type	Ethernet Controller	AM79C875KD
Package Type	PQFP (Plastic Quad Flat Package)	100-pin
Operating Voltage	Supply Voltage for the device	3.3V
Data Rate	Maximum data transfer rate	10/100 Mbps
Temperature Range	Operating temperature range	-40掳C to +85掳C
I/O Standards	Input/output voltage levels supported	3.3V TTL Compatible
Interface	Type of interface provided by the chip	MII (Media Independent Interface)
Buffer Size	Size of the internal buffer	4K Bytes
DMA Channels	Number of Direct Memory Access channels	4
Bus Interface	Types of bus interfaces supported	PCI
Standards Compliance	Networking standards compliance	IEEE 802.3, IEEE 802.3u

Instructions for Use:

1. Power Supply Requirements: Ensure that the supply voltage is set to 3.3V as specified. Check all power connections for correct polarity and stability.
2. Installation on PCB: Place the AM79C875KD in a suitable location on the printed circuit board ensuring adequate clearance around the chip for heat dissipation.
3. Signal Integrity: Carefully manage signal integrity by keeping signal traces short and direct, especially for high-speed signals like those used in the MII interface.
4. Configuration: Configure the chip using the appropriate configuration registers accessible via the PCI bus. Refer to the datasheet for register addresses and bit definitions.
5. Firmware/Driver Setup: Load the necessary drivers or firmware onto the host system to initialize and control the Ethernet controller. Ensure compatibility with the operating system.
6. Testing: After installation, test the Ethernet functionality thoroughly under various conditions to ensure reliable operation.
7. Environmental Considerations: Operate within the specified temperature range to avoid thermal damage. Implement cooling solutions if operating near the upper limit.
8. EMI/RFI Protection: Apply proper shielding and grounding techniques to minimize electromagnetic interference.

For detailed specifications and advanced configurations, refer to the official datasheet provided by the manufacturer.

(For reference only)