SPRADM6 December   2024 AM62D-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 Load Binaries to AM62D
  5. 2Processor Core Benchmarks
    1. 2.1 C7x DSP Benchmark
      1. 2.1.1 Fast Fourier Transform
      2. 2.1.2 Digital Signal Processing
        1. 2.1.2.1 FIR
        2. 2.1.2.2 Cascade Biquad
        3. 2.1.2.3 Dot Product
      3. 2.1.3 Mathematical Operations
    2. 2.2 Dhrystone on A53 cores
  6. 3Memory System Benchmarks
    1. 3.1 Critical Memory Access Latency
    2. 3.2 UDMA: DDR to DDR Data Copy
    3. 3.3 C7x DRU Performance: Block Copy with DMA
  7. 4Application Specific Benchmarks
    1. 4.1 SBL Boot Time
    2. 4.2 IPC Performance
    3. 4.3 Flash
    4. 4.4 Application Specific Latency
  8. 5Summary
  9. 6References

4.4 Application Specific Latency

Table 4-6 shows latency for various functionalities which are critical in audio applications.

Table 4-6 Application Specific Latency Performance

Test

Detail

Latency

McASP (Audio)

Operating at 48KHz, I2C mode

RX to TX pin to pin

792µs

Boot Latency (MCU R5)

GPIO toggle time from MCUR5 main measured from MCU_PORz

112ms

C7x audio chime time

Measured from MCU_PORz

Includes DAC configuration

185ms