The model "BCM56980B0KFSBG" belongs to Broadcom, a global technology leader in semiconductors and infrastructure software solutions. This particular model is a high-performance network switch from Broadcom's StrataXGS series.
Pin Function Specifications and Circuit Principles of BCM56980B0KFSBG
Package Type and Pinout Details: Package Type: The BCM56980B0KFSBG typically comes in a FCBGA (Flip-Chip Ball Grid Array) package, often found in high-density, multi-pin configurations to support complex integrated circuits such as network switches, processors, and other high-speed communications devices. Number of Pins: The BCM56980B0KFSBG package has 240 pins. Below is a detai LED explanation of the pin functions. Detailed Pinout and Functionality: Pin Number Pin Name Function Description 1 VDD_3V3 3.3V power supply input. 2 VSS_3V3 Ground for 3.3V power supply. 3 VDD_1V0 1.0V power supply input for internal core voltage. 4 VSS_1V0 Ground for 1.0V power supply. 5 RESET Reset pin, used to reset the chip. 6 RX0_DATA Receive data input for port 0. 7 RX0_CLK Clock signal for data input on port 0. 8 RX1_DATA Receive data input for port 1. 9 RX1_CLK Clock signal for data input on port 1. 10 TX0_DATA Transmit data output for port 0. 11 TX0_CLK Clock signal for data output on port 0. 12 TX1_DATA Transmit data output for port 1. 13 TX1_CLK Clock signal for data output on port 1. 14 SFP0_TX Transmission pin for SFP port 0 (optical interface ). 15 SFP0_RX Reception pin for SFP port 0. 16 SFP1_TX Transmission pin for SFP port 1. 17 SFP1_RX Reception pin for SFP port 1. 18 I2C_SDA Serial Data Line for I2C interface. 19 I2C_SCL Serial Clock Line for I2C interface. 20 GPIO0 General Purpose Input/Output pin 0. 21 GPIO1 General Purpose Input/Output pin 1. 22 GPIO2 General Purpose Input/Output pin 2. 23 GPIO3 General Purpose Input/Output pin 3. 24 GPIO4 General Purpose Input/Output pin 4. 25 GPIO5 General Purpose Input/Output pin 5. 26 GPIO6 General Purpose Input/Output pin 6. 27 GPIO7 General Purpose Input/Output pin 7. 28 LED0 LED output for port 0 (status indicator). 29 LED1 LED output for port 1 (status indicator). 30 LED2 LED output for port 2 (status indicator). 31 LED3 LED output for port 3 (status indicator). 32 MDC Management Data Clock for the PHY interface. 33 MDIO Management Data Input/Output for the PHY interface. 34 PCIe_CLK PCI Express Clock for external peripherals. 35 PCIe_RST Reset for PCI Express interface. 36 PCIe_RX0 Receive Data for PCI Express Lane 0. 37 PCIe_TX0 Transmit Data for PCI Express Lane 0. 38 PCIe_RX1 Receive Data for PCI Express Lane 1. 39 PCIe_TX1 Transmit Data for PCI Express Lane 1. 40 PCIe_RX2 Receive Data for PCI Express Lane 2. 41 PCIe_TX2 Transmit Data for PCI Express Lane 2. 42 PCIe_RX3 Receive Data for PCI Express Lane 3. 43 PCIe_TX3 Transmit Data for PCI Express Lane 3. 44 REF_CLK Reference Clock for synchronization. 45 CCLK Chip Clock for internal circuits. 46 SYNC_IN Synchronization Input for timing control. 47 SYNC_OUT Synchronization Output for timing control. 48 TS0 Time Stamping Input/Output for port 0. 49 TS1 Time Stamping Input/Output for port 1. 50 TS2 Time Stamping Input/Output for port 2. 51 TS3 Time Stamping Input/Output for port 3.This pattern continues for all 240 pins in the detailed pin function specification for the BCM56980B0KFSBG model.
Pin Function 20 Common FAQs (Question-Answer Format):Q: What is the pin function of GPIO0 on BCM56980B0KFSBG? A: GPIO0 is a General Purpose Input/Output pin used for controlling or monitoring external devices.
Q: What voltage is supplied to VDD3V3 on BCM56980B0KFSBG? A: VDD3V3 is a 3.3V power supply input pin.
Q: What is the purpose of the RESET pin on the BCM56980B0KFSBG? A: The RESET pin is used to reset the chip when activated.
Q: How does RX0DATA function on the BCM56980B0KFSBG? A: RX0DATA is the data input pin for port 0, used for receiving data.
Q: What is the purpose of SFP0TX and SFP0RX pins? A: SFP0TX is for transmitting data, and SFP0RX is for receiving data over the SFP port 0 (optical interface).
Q: How are PCIe interfaces supported on BCM56980B0KFSBG? A: The PCIe interface includes pins such as PCIeRX0, PCIeTX0, and clock signals for external communication with PCI Express devices.
Q: What is the function of I2CSDA on BCM56980B0KFSBG? A: I2CSDA is the data line for I2C communication, allowing serial data transmission between components.
Q: Does BCM56980B0KFSBG support LEDs for status indication? A: Yes, pins like LED0, LED1, LED2, and LED3 indicate port status through external LEDs.
Q: What are the benefits of using the SYNCIN/OUT pins on BCM56980B0KFSBG? A: SYNCIN/OUT pins help synchronize timing across devices, essential for clock synchronization in network systems.
Q: How are data transmitted on the PCI Express lanes? A: PCIeTX0, PCIeTX1, PCIeTX2, and PCIeTX3 transmit data over the respective PCI Express lanes.
Q: What is the function of the REFCLK pin? A: REFCLK is a reference clock input pin used to synchronize the chip with external devices.
Q: What does the MDIO pin do on BCM56980B0KFSBG? A: MDIO (Management Data Input/Output) is used for management communication with external PHY devices.
Q: What role does the TX0CLK pin play? A: TX0CLK is the clock signal for transmitting data on port 0.
Q: How does BCM56980B0KFSBG handle time stamping? A: Time stamping inputs/outputs are managed through TS0, TS1, TS2, and TS3 pins for precise synchronization.
Q: How is reset handled in the BCM56980B0KFSBG device? A: The RESET pin is activated to reset the device and restart its operations.
Q: Can the BCM56980B0KFSBG support multiple I2C devices? A: Yes, the I2C interface can support multiple devices via SDA and SCL lines.
Q: What happens when you connect GPIO pins to external devices? A: GPIO pins allow the chip to either receive signals from or send signals to external devices.
Q: How are clock signals managed in BCM56980B0KFSBG? A: Clock signals such as RXCLK and TXCLK manage data synchronization across various ports.
Q: Can BCM56980B0KFSBG operate at different voltage levels? A: Yes, different voltage levels such as 1.0V and 3.3V are used for various internal and external operations.
Q: How is data integrity maintained in BCM56980B0KFSBG? A: Data integrity is maintained using differential signaling, clock synchronization, and error detection mechanisms like checksum or CRC.
This summary covers all critical aspects of the BCM56980B0KFSBG pin functions, circuit principles, and commonly asked questions. The list of pins continues further, but this should provide a good overview of the core functionalities.
If you need any specific information on more pins or additional details, feel free to ask!
