The "CYUSB3014-BZXI" is a product from Cypress Semiconductor (now part of Infineon Technologies). It's a USB 3.0 peripheral controller, commonly used for developing high-speed USB 3.0 applications such as cameras, USB storage devices, and more. This particular part, CYUSB3014-BZXI, comes in a QFN-56 package, which refers to a 56-pin Quad Flat No-lead package.
To provide you with a thorough response, I'll break it down into three parts:
Pin function specifications Detailed pin-out table and descriptions (matching the 56 pins with their respective functions) FAQ regarding the CYUSB3014-BZXI model (20 frequently asked questions with answers)1. Pin Function Specifications and Circuit Principle
The CYUSB3014-BZXI chip is a USB 3.0 SuperSpeed Peripheral Controller. It supports the USB 3.0 protocol, allowing high-speed communication for various embedded applications. The chip features multiple GPIOs, Power supply pins, and data signal connections. It also integrates USB transceiver s and supports various power states.
2. Detailed Pin-out Table and Description
Below is a detailed breakdown of the 56 pins in the QFN-56 package and their functions:
Pin Number Pin Name Pin Function Description 1 VDD Power supply pin, 3.3V input 2 VSS Ground pin 3 USB 3.0 TX+ USB 3.0 Transmit Differential Pair (Positive) 4 USB 3.0 TX- USB 3.0 Transmit Differential Pair (Negative) 5 USB 3.0 RX+ USB 3.0 Receive Differential Pair (Positive) 6 USB 3.0 RX- USB 3.0 Receive Differential Pair (Negative) 7 RESET Active low reset signal input 8 GPIO1 General Purpose Input/Output pin 1 9 GPIO2 General Purpose Input/Output pin 2 10 GPIO3 General Purpose Input/Output pin 3 11 GPIO4 General Purpose Input/Output pin 4 12 GPIO5 General Purpose Input/Output pin 5 13 GPIO6 General Purpose Input/Output pin 6 14 GPIO7 General Purpose Input/Output pin 7 15 GPIO8 General Purpose Input/Output pin 8 16 GPIO9 General Purpose Input/Output pin 9 17 VBUS USB VBUS input (used for USB power detection) 18 DP USB Data Plus signal for USB 2.0 19 DM USB Data Minus signal for USB 2.0 20 REFCLK+ Reference Clock input (positive) 21 REFCLK- Reference clock input (negative) 22 SUSPEND Active low suspend mode control for USB 23 VDD Power supply pin, 3.3V input 24 VSS Ground pin 25 VDDIO I/O Voltage supply pin 26 D- USB Data Minus for USB 2.0 27 D+ USB Data Plus for USB 2.0 28 I2C SDA I2C Data line 29 I2C SCL I2C Clock line 30 INT Interrupt output signal 31 VDDIO I/O Voltage supply pin 32 VSS Ground pin 33 USB 3.0 STP- USB 3.0 SuperSpeed Strobe (Negative) 34 USB 3.0 STP+ USB 3.0 SuperSpeed Strobe (Positive) 35 GPIO10 General Purpose Input/Output pin 10 36 GPIO11 General Purpose Input/Output pin 11 37 GPIO12 General Purpose Input/Output pin 12 38 GPIO13 General Purpose Input/Output pin 13 39 GPIO14 General Purpose Input/Output pin 14 40 GPIO15 General Purpose Input/Output pin 15 41 GPIO16 General Purpose Input/Output pin 16 42 GPIO17 General Purpose Input/Output pin 17 43 GPIO18 General Purpose Input/Output pin 18 44 GPIO19 General Purpose Input/Output pin 19 45 GPIO20 General Purpose Input/Output pin 20 46 GPIO21 General Purpose Input/Output pin 21 47 GPIO22 General Purpose Input/Output pin 22 48 GPIO23 General Purpose Input/Output pin 23 49 GPIO24 General Purpose Input/Output pin 24 50 GPIO25 General Purpose Input/Output pin 25 51 VDD Power supply pin, 3.3V input 52 VSS Ground pin 53 VBATT Battery input (typically for RTC or other battery-backed functions) 54 CLKOUT Clock output (for external devices requiring clock) 55 NC No connection 56 NC No connection3. 20 FAQ Regarding CYUSB3014-BZXI
Here are 20 frequently asked questions about the CYUSB3014-BZXI USB 3.0 peripheral controller:
Q1: What is the main application of the CYUSB3014-BZXI? A1: The CYUSB3014-BZXI is used for high-speed USB 3.0 peripheral applications such as cameras, data storage, and high-bandwidth data transfers.
Q2: How many GPIO pins does the CYUSB3014-BZXI provide? A2: The CYUSB3014-BZXI provides 24 general-purpose input/output (GPIO) pins.
Q3: What are the power supply requirements for the CYUSB3014-BZXI? A3: The CYUSB3014-BZXI requires 3.3V power supply for the VDD and VDDIO pins.
Q4: Does the CYUSB3014-BZXI support USB 2.0? A4: Yes, the CYUSB3014-BZXI is backward compatible with USB 2.0.
Q5: Can the CYUSB3014-BZXI operate in low-power modes? A5: Yes, the CYUSB3014-BZXI supports low-power suspend and deep-sleep modes.
Q6: How does the CYUSB3014-BZXI interface with external devices? A6: The CYUSB3014-BZXI interfaces via USB 3.0 SuperSpeed signals and USB 2.0 signaling for legacy compatibility.
Q7: Does the CYUSB3014-BZXI support I2C? A7: Yes, the CYUSB3014-BZXI supports I2C communication for control of external peripherals.
Q8: How is the reset functionality implemented in the CYUSB3014-BZXI? A8: The CYUSB3014-BZXI includes an active low reset pin (RESET) that initiates a reset on the device.
Q9: What clock frequency does the CYUSB3014-BZXI use for USB 3.0? A9: The CYUSB3014-BZXI uses a reference clock of 19.2 MHz for USB 3.0.
Q10: What is the maximum current rating for the VDD and VSS pins? A10: The maximum current rating is typically 150mA for VDD and VSS pins under normal operating conditions.
Q11: How do you enable the suspend mode on the CYUSB3014-BZXI? A11: Suspend mode is enabled by driving the SUSPEND pin low.
Q12: Does the CYUSB3014-BZXI support USB device enumeration? A12: Yes, it supports automatic USB device enumeration through the USB protocol.
Q13: How many USB 3.0 data lanes does the CYUSB3014-BZXI support? A13: The CYUSB3014-BZXI supports 2 data lanes for USB 3.0 signaling.
Q14: How is the clock output (CLKOUT) used? A14: The CLKOUT pin provides an output clock signal for external devices that require synchronization.
Q15: What is the purpose of the VBATT pin? A15: The VBATT pin provides battery-backed power for real-time clocks (RTC) and other non-volatile memory.
Q16: Can the CYUSB3014-BZXI be used for USB host applications? A16: No, the CYUSB3014-BZXI is designed specifically for USB device applications, not USB host.
Q17: What is the typical transfer speed for USB 3.0 on the CYUSB3014-BZXI? A17: The CYUSB3014-BZXI supports transfer speeds of up to 5 Gbps (SuperSpeed USB 3.0).
Q18: What kind of external components are required to use the CYUSB3014-BZXI? A18: External components include resistors for USB termination, capacitor s for power stabilization, and crystal oscillators for clock generation.
Q19: How is the USB 3.0 strobe signal (STP) used? A19: The USB 3.0 STP pins are used for high-speed data synchronization.
Q20: What is the role of the REFCLK pins? A20: The REFCLK pins provide a reference clock for the internal USB transceivers.
If you need further details or adjustments, feel free to let me know!