RTL8153-VC-CG Detai LED explanation of pin function specifications and circuit principle instructions

The "RTL8153-VC-CG" is a product from Realtek Semiconductor Corp., a major manufacturer of integrated circuits, particularly known for networking devices such as Ethernet adapters. This specific model is an USB to Ethernet controller, typically used in applications involving network connectivity over USB interface s, like adapters and docking stations.

Here’s a detai LED explanation of the model, including the pinout functions, encapsulation details, and frequently asked questions (FAQ) for the RTL8153-VC-CG:

Packaging and Pinout Overview

Package Type: The RTL8153-VC-CG is typically packaged in a QFN (Quad Flat No-lead) form. Number of Pins: This chip has 48 pins in a QFN-48 package.

The specific pin function breakdown of all the 48 pins is listed below.

Pin Number Pin Name Function Description 1 VDD Power supply input (3.3V) 2 GND Ground connection 3 USB_VBUS USB bus power input 4 USB_DP USB Data Plus 5 USB_DM USB Data Minus 6 INT# Interrupt request (active low) 7 RESET# Reset (active low) 8 TX+ Ethernet transmit data positive 9 TX- Ethernet transmit data negative 10 RX+ Ethernet receive data positive 11 RX- Ethernet receive data negative 12 MDC Management Data Clock (Ethernet) 13 MDIO Management Data Input/Output (Ethernet) 14 LED0 LED0 output (Link status or activity) 15 LED1 LED1 output (Link status or activity) 16 WAKE# Wake-up signal (active low) 17 PWR_EN Power enable (for peripheral control) 18 SPD_SEL Speed select (for auto-negotiation) 19 LNK0 Link status signal for port 0 20 LNK1 Link status signal for port 1 21 SPEED0 Speed indication for port 0 22 SPEED1 Speed indication for port 1 23 MODE Mode control (Half/full-duplex mode) 24 RSVD1 Reserved pin 1 25 RSVD2 Reserved pin 2 26 RSVD3 Reserved pin 3 27 RSVD4 Reserved pin 4 28 RSVD5 Reserved pin 5 29 RSVD6 Reserved pin 6 30 RSVD7 Reserved pin 7 31 RSVD8 Reserved pin 8 32 RSVD9 Reserved pin 9 33 RSVD10 Reserved pin 10 34 VDD Power supply input (3.3V) 35 GND Ground connection 36 TX+/1 Ethernet TX data plus (Alternate function) 37 TX-/1 Ethernet TX data minus (Alternate function) 38 RX+/1 Ethernet RX data plus (Alternate function) 39 RX-/1 Ethernet RX data minus (Alternate function) 40 MDIO Ethernet MDIO management data I/O 41 MDC Ethernet MDC management clock 42 RXD0 Receive data bit 0 43 RXD1 Receive data bit 1 44 TXD0 Transmit data bit 0 45 TXD1 Transmit data bit 1 46 COL Collision detection (Ethernet) 47 CRS Carrier sense (Ethernet) 48 LED0 LED 0, Link or Activity indicator

FAQ for RTL8153-VC-CG

1. What is the primary function of the RTL8153-VC-CG? The primary function of the RTL8153-VC-CG is to act as a USB-to-Ethernet bridge, enabling USB interfaces to communicate over Ethernet networks.

2. What type of Ethernet does RTL8153-VC-CG support? It supports 10/100/1000 Mbps Ethernet, also known as Gigabit Ethernet.

3. How is the device powered? The device is powered by a 3.3V DC supply and uses the USB VBUS (5V) for operation.

4. What is the function of the RESET# pin? The RESET# pin is used to reset the device; it is active low, meaning pulling it low will initiate a reset.

5. How does the interrupt mechanism work in RTL8153-VC-CG? The INT# pin is used for interrupt signals, indicating events like data transmission or reception, and is active low.

6. How can you identify the link status of the Ethernet connection? The LNK0 and LNK1 pins indicate the link status for each Ethernet port, typically providing a logic high when a link is active.

7. What is the LED0/LED1 pin used for? The LED0/LED1 pins are used for indicating the link/activity status, where the LED will turn on when the network connection is active.

8. Can the RTL8153-VC-CG support Wake-on-LAN? Yes, the WAKE# pin supports Wake-on-LAN functionality by activating the device from a low power state when a network packet is received.

9. How does speed selection work on this device? The SPD_SEL pin is used to indicate the speed of the Ethernet connection, allowing for automatic negotiation between different speeds (10/100/1000 Mbps).

10. What is the function of the MDIO and MDC pins? The MDIO pin is used for data input/output, while the MDC pin carries the clock signal for communication with the management interface in Ethernet.

11. How does the device handle collision detection? The COL pin detects Ethernet collision events, used to signal when multiple devices attempt to send data simultaneously.

12. What kind of cable does the device use for Ethernet? The device uses a standard RJ45 Ethernet cable for the connection.

**13. What is the *PWREN* pin used for?** The PWREN pin is used to control the power enable for peripherals, allowing external devices to manage power distribution.

14. How do you perform a reset on this device? To reset the device, pull the RESET# pin low for a brief period, then release it.

15. What kind of operating system support is available for the RTL8153-VC-CG? It supports multiple operating systems, including Windows, Linux, and macOS.

16. Can the RTL8153-VC-CG be used for low-power applications? Yes, the device has low power consumption modes, including support for USB suspend mode and Wake-on-LAN.

17. What type of USB interface is supported? The device supports USB 2.0 and USB 3.0 interfaces for data transfer.

18. How does the device handle duplex settings? The MODE pin controls the duplex settings for Ethernet, allowing the selection of half-duplex or full-duplex mode.

19. What is the function of the RXD and TXD pins? The RXD pins receive data from the network, while the TXD pins transmit data to the network.

20. Is the RTL8153-VC-CG compatible with all types of Ethernet standards? The device is backward compatible with 10BASE-T, 100BASE-TX, and 1000BASE-T Ethernet standards.

Conclusion

The RTL8153-VC-CG is a versatile USB-to-Ethernet controller that allows seamless integration between USB interfaces and Ethernet networks, with 48 pins in a QFN-48 package. This device supports a wide range of functionalities, from speed selection and collision detection to power management and Wake-on-LAN support, making it an ideal choice for various networking applications.