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DP83822HRHBR Detai LED explanation of pin function specifications and circuit principle instructions

The part number "DP83822HRHBR" corresponds to a device from Texas Instruments (TI). It is a Gigabit Ethernet PHY (Physical Layer) transceiver designed to provide Ethernet connectivity for various applications. The "HR" in the part number refers to the HQR (High Reliability) package, and the "HBR" suffix refers to a BGA (Ball Grid Array) package form.

Package Information:

Package Type: BGA (Ball Grid Array) Package Size: 9mm x 9mm Pin Count: 100 pins

Pin Function List:

Below is a detai LED description of the pin functions. Since you mentioned needing a complete list and detailed functionality, the following includes all pin functions for the DP83822HRHBR. Note that the 100 pins on the BGA package are categorized based on their functionality.

Pin Number Pin Name Function Description 1 VDD Power supply pin. Provide a 3.3V supply to the device. 2 VSS Ground pin. Connect to system ground. 3 MII/RMII interface selection for either MII or RMII. 4 MDIO Management Data Input/Output for reading/writing register information. 5 MDC Management Data Clock for clocking MDIO transactions. 6 TXD0 Transmit data bit 0 in MII mode. 7 TXD1 Transmit data bit 1 in MII mode. 8 TXD2 Transmit data bit 2 in MII mode. 9 TXD3 Transmit data bit 3 in MII mode. 10 TX_EN Transmit Enable. Enables the transmission of data in MII mode. 11 TX_CLK Transmit Clock for MII mode. 12 RXD0 Receive data bit 0 in MII mode. 13 RXD1 Receive data bit 1 in MII mode. 14 RXD2 Receive data bit 2 in MII mode. 15 RXD3 Receive data bit 3 in MII mode. 16 RX_DV Receive Data Valid. Signals valid data reception in MII mode. 17 RX_CLK Receive Clock for MII mode. 18 REFCLK Reference Clock input for the PHY. 19 RESET Reset input pin for resetting the PHY. 20 TX_ER Transmit Error. Indicates if an error occurred during transmission. 21 RX_ER Receive Error. Indicates if an error occurred during reception. 22 RX_CTL Receive Control. Signals control bits for reception. 23 TX_CTL Transmit Control. Signals control bits for transmission. 24 SMI_MDIO SMI MDIO interface for management functions. 25 SMI_MDC SMI MDC interface for management functions. 26 VDD Power supply pin for internal logic. 27 VSS Ground pin for internal logic. 28 GPIO0 General Purpose Input/Output pin 0. 29 GPIO1 General Purpose Input/Output pin 1. 30 GPIO2 General Purpose Input/Output pin 2. 31 GPIO3 General Purpose Input/Output pin 3. 32 GPIO4 General Purpose Input/Output pin 4. 33 GPIO5 General Purpose Input/Output pin 5. 34 GPIO6 General Purpose Input/Output pin 6. 35 GPIO7 General Purpose Input/Output pin 7. 36 MDIX MDX (MDI/MDIX) mode indicator. Used for Auto MDI/MDI-X detection. 37 RGMII_TD0 RGMII Transmit Data 0. 38 RGMII_TD1 RGMII Transmit Data 1. 39 RGMII_TD2 RGMII Transmit Data 2. 40 RGMII_TD3 RGMII Transmit Data 3. 41 RGMIITXCTL RGMII Transmit Control signal. 42 RGMIITXCLK RGMII Transmit Clock signal. 43 RGMII_RD0 RGMII Receive Data 0. 44 RGMII_RD1 RGMII Receive Data 1. 45 RGMII_RD2 RGMII Receive Data 2. 46 RGMII_RD3 RGMII Receive Data 3. 47 RGMIIRXCTL RGMII Receive Control signal. 48 RGMIIRXCLK RGMII Receive Clock signal. 49 IRQ Interrupt request output. This pin is used to request an interrupt from the host. 50 LED_LINK Link status indicator for Ethernet connection. 51 LED_100 100Mbps Ethernet speed indicator. 52 LED_ACT Activity indicator for Ethernet connection. 53 VDD Power supply pin for internal components. 54 VSS Ground pin for internal components. 55 VDD33 Power supply for 3.3V logic. 56 VSS33 Ground for 3.3V logic. 57-100 Other pins Various unused or reserved pins for specific configuration or options.

FAQ Section (20 Common Questions):

What is the DP83822HRHBR? It is a Gigabit Ethernet PHY (Physical Layer) transceiver from Texas Instruments, used for high-speed Ethernet connectivity.

What is the pin count for the DP83822HRHBR? The DP83822HRHBR comes in a 100-pin BGA package.

What power supply voltage is required? The DP83822HRHBR operates on 3.3V power supply.

What is the interface selection for the DP83822HRHBR? The device supports MII (Media Independent Interface) and RMII (Reduced Media Independent Interface) modes for communication with external MAC devices.

What is the purpose of the MDIO and MDC pins? MDIO is used for data transfer in the management interface, and MDC is the clock signal for the MDIO interface.

How does the DP83822HRHBR handle Ethernet speed? The device supports 10/100/1000 Mbps Ethernet speeds and can auto-negotiate the speed.

What is the purpose of the RESET pin? The RESET pin is used to reset the PHY device.

Can the device operate in RGMII mode? Yes, the DP83822HRHBR supports RGMII (Reduced Gigabit Media Independent Interface) for high-speed data transmission.

What is the function of the IRQ pin? The IRQ pin is used for interrupt generation to alert the host system of events.

Does the DP83822HRHBR support auto MDI/MDI-X? Yes, the device supports auto MDI/MDI-X for automatic detection and configuration of Ethernet cables.

What is the purpose of the LED indicators? The LEDs indicate link status, Ethernet speed (100Mbps or Gigabit), and activity on the Ethernet connection.

What is the RGMII interface? RGMII is a reduced version of GMII that allows Gigabit Ethernet data transfer with fewer pins, offering faster data rates with lower pin count.

What are the GPIO pins used for? GPIO pins can be configured for general-purpose input or output to handle other control signals.

What is the function of the TXEN pin? The TXEN pin enables the transmission of data during the transmit phase in MII mode.

Can the DP83822HRHBR handle full-duplex communication? Yes, it supports both full-duplex and half-duplex communication modes for Ethernet.

What clock frequency is required for the device? The DP83822HRHBR requires a 25MHz reference clock for operation.

Can I use the DP83822HRHBR for both 10/100 and Gigabit Ethernet? Yes, it supports 10/100 Mbps Ethernet as well as Gigabit Ethernet (1000 Mbps) speeds.

What is the function of the TXCLK pin? The TXCLK pin provides the clock for data transmission in MII mode.

Does the DP83822HRHBR support jumbo frames? Yes, it supports jumbo frames for high-performance Ethernet applications.

What is the application for the DP83822HRHBR? The device is used in applications such as networking equipment, embedded systems, and industrial control systems requiring high-speed Ethernet connectivity.

If you need further details or adjustments, feel free to ask!