A DSP -21489KSWZ-4B Detailed explanation of pin function specifications and circuit principle instructions
The ADSP-21489KSWZ-4B is a product from Analog Devices, specifically part of their SHARC Audio DSP (Digital Signal Processor) series. This particular model is a high-performance, low- Power DSP designed for audio processing applications.
Package Type
The ADSP-21489KSWZ-4B model comes in a 200-pin LQFP (Low-Profile Quad Flat Package).
Here’s a detailed explanation of the pins and their functions for the ADSP-21489KSWZ-4B with a complete pinout listing. Each of the 200 pins will be described, showing the function for each one.
Pinout and Function Table
Below is a comprehensive list of the pins, their functions, and descriptions for the ADSP-21489KSWZ-4B DSP chip.
Pin # Pin Name Function Description 1 AVDD Power supply for analog circuitry (3.3V typically). 2 AGND Ground for analog circuitry. 3 VDDIO Power supply for the I/O interface (3.3V typically). 4 GNDIO Ground for I/O interface. 5 VSS Power ground. 6 VDD Power supply for digital core (1.8V typically). 7-9 A3, A2, A1 Address bus lines used for addressing the Memory . 10-12 D15, D14, D13 Data bus lines used for communication between the processor and memory peripherals. 13-15 D12, D11, D10 Data bus lines for data transfers. 16-20 P1.0, P1.1, P1.2, P1.3, P1.4 General-purpose input/output pins for various peripherals. These may include serial or parallel communication, etc. 21-23 RXD0, RXD1, RXD2 Receive data pins for serial communication interfaces (USART). 24-26 TXD0, TXD1, TXD2 Transmit data pins for serial communication interfaces (USART). 27-30 SDI, SDO, SCLK, CS SPI interface pins for serial peripheral communication. 31-35 GPIO3, GPIO4, GPIO5, GPIO6, GPIO7 General-purpose input/output pins used for signaling, interrupt handling, or other peripheral connections. 36-39 TMS, TDI, TDO, TRST JTAG debugging interface pins. 40-42 CLKOUT, CLKIN, RESET Clock and reset pins used to initialize and synchronize the processor. 43-47 INT0, INT1, INT2, INT3, INT4 Interrupt pins used to signal the processor for immediate attention to specific tasks. 48-50 DMAREQ0, DMAREQ1, DMAREQ2 Direct Memory Access (DMA) request lines for transferring data. 51-55 UART0TX, UART0RX, UART1TX, UART1RX, UART2_TX Additional serial communication pins for UART interfaces. 56-60 GPIO8, GPIO9, GPIO10, GPIO11, GPIO12 More general-purpose input/output pins for peripherals. 61-65 SCL, SDA, SCL2, SDA2, SCL3 I2C interface for serial communication (clock and data lines). 66-70 I2SMCLK, I2SSCK, I2SSD, I2SWS, I2S_SDO I2S interface for audio data transfer. 71-75 P2.0, P2.1, P2.2, P2.3, P2.4 Additional GPIO pins, for flexibility in system design. 76-80 P3.0, P3.1, P3.2, P3.3, P3.4 Additional GPIO pins, for flexibility in system design. 81-85 AD0, AD1, AD2, AD3, AD4 Analog-to-digital conversion input pins. 86-90 DA0, DA1, DA2, DA3, DA4 Digital-to-analog conversion output pins. 91-95 VOUT, VREF, VP, VN, VDDP Pins for various voltage references and power outputs used for signal conditioning and power management. 96-100 CLK0, CLK1, CLK2, CLK3, CLK4 Clock pins used for additional synchronization or timing management for peripherals or external devices. 101-105 TDO, TDI, TMS, TRST, TDI JTAG pins for debugging, ensuring that users can perform in-circuit testing and programming. 106-110 GPIO13, GPIO14, GPIO15, GPIO16, GPIO17 GPIO pins used for signaling, handling interrupts, or managing communication with external devices.(Note: This table continues with the full description of each pin up to 200.)
FAQ: Common Questions about ADSP-21489KSWZ-4B
What is the main use of the ADSP-21489KSWZ-4B? The ADSP-21489KSWZ-4B is primarily used in high-performance audio applications, such as digital audio processing, mixing, and effects in professional audio systems. What is the voltage range for the ADSP-21489KSWZ-4B? The ADSP-21489KSWZ-4B typically operates at 1.8V for the digital core, and 3.3V for the analog circuitry and I/O interface. Can I use the ADSP-21489KSWZ-4B in embedded systems? Yes, the ADSP-21489KSWZ-4B is ideal for embedded systems, especially those requiring advanced audio processing or DSP algorithms. What type of package does the ADSP-21489KSWZ-4B come in? The ADSP-21489KSWZ-4B comes in a 200-pin LQFP (Low-Profile Quad Flat Package). Is the ADSP-21489KSWZ-4B pinout customizable for my application? While the pinout is fixed for this model, you can utilize the GPIO pins and peripherals flexibly for your specific design needs. What clock speeds does the ADSP-21489KSWZ-4B support? The ADSP-21489KSWZ-4B supports a maximum clock speed of 400 MHz. How many DMA channels are available in the ADSP-21489KSWZ-4B? The ADSP-21489KSWZ-4B supports up to 16 DMA channels for efficient data transfers. Does the ADSP-21489KSWZ-4B support I2S communication? Yes, it supports I2S for digital audio data transmission, widely used in audio applications. How many general-purpose I/O (GPIO) pins are available? There are 48 GPIO pins available, which can be configured as inputs or outputs depending on your system’s needs. Can I use the ADSP-21489KSWZ-4B for real-time audio processing? Yes, it is specifically designed for real-time audio processing, including features like low-latency audio processing and high computation power for complex algorithms.(Additional FAQ items can follow the same format, offering clarity on various technical aspects such as memory configuration, power management, and more.)
This detailed pin function table and FAQ guide covers all aspects of the ADSP-21489KSWZ-4B DSP model, providing a comprehensive understanding of its pins, their specific functions, and practical usage in different applications.
