SPVA044 Application note

Theoretical throughput for DAC Reads: 332MiBps

Average throughput observed for DAC Reads: 282.86MiBps

Table 4-1 8D-8D-8D on R5F Core

Frequency	Divider	Data Size Used	DMA	PHY	Throughput (MiBps)
Frequency	Divider	Data Size Used	DMA	PHY	INDAC Writes	DAC Reads	DAC Reads with failed OTP Validation	INDAC Reads	Erase
166 MHz	4	1 KiB	No	No	0.41	1.12	N/A	23.27	0.001
			No	Yes	0.41	2.35	0.04	N/A	0.001
			Yes	No	0.41	1.12	N/A	N/A	0.001
			Yes	Yes	0.41	2.35	0.04	N/A	0.001

		10 KiB	No	No	0.43	1.12	N/A	25.75	0.01
			No	Yes	0.43	2.38	0.40	N/A	0.01
			Yes	No	0.43	26.39	N/A	N/A	0.01
			Yes	Yes	0.43	200	0.40	N/A	0.01

		256 KiB	No	No	0.43	1.12	N/A	22.21	0.32
			No	Yes	0.43	2.36	9.55	N/A	0.32
			Yes	No	0.43	27.08	N/A	N/A	0.32
			Yes	Yes	0.43	279.41	9.55	N/A	0.32

		512 KiB	No	No	0.41	1.12	N/A	22.22	0.31
			No	Yes	0.41	2.36	18.50	N/A	0.31
			Yes	No	0.41	27.10	N/A	N/A	0.31
			Yes	Yes	0.41	282.18	18.50	N/A	0.31

		1 MiB	No	No	0.41	1.12	N/A	22.23	0.31
			No	Yes	0.41	2.34	34.72	N/A	0.31
			Yes	No	0.41	27.10	N/A	N/A	0.31
			Yes	Yes	0.41	283.51	34.72	N/A	0.31

		5 MiB	No	No	0.45	1.12	N/A	22.24	0.31
			No	Yes	0.45	2.34	116.73	N/A	0.31
			Yes	No	0.45	27.11	N/A	N/A	0.31
			Yes	Yes	0.45	284.74	116.73	N/A	0.31

		10 MiB	No	No	0.41	1.12	N/A	22.24	0.31
			No	Yes	0.41	2.34	165.63	N/A	0.31
			Yes	No	0.41	27.11	N/A	N/A	0.31
			Yes	Yes	0.41	284.87	165.63	N/A	0.31

Table 4-2 8D-8D-8D on R5F Core

Frequency	Divider	Data Size Used	DMA	PHY	Throughput (MiBps)
Frequency	Divider	Data Size Used	DMA	PHY	INDAC Writes	DAC Reads	DAC Reads with failed OTP Validation	INDAC Reads	Erase
166 MHz	8	1 KiB	No	No	0.45	0.65	N/A	22.65	0.001
			No	Yes	0.45	2.35	0.04	N/A	0.001
			Yes	No	0.45	0.65	N/A	N/A	0.001
			Yes	Yes	0.45	2.34	0.04	N/A	0.001

		10 KiB	No	No	0.46	0.65	N/A	25.69	0.01
			No	Yes	0.46	2.37	0.40	N/A	0.01
			Yes	No	0.46	37.87	N/A	N/A	0.01
			Yes	Yes	0.46	180.92	0.40	N/A	0.01

		256 KiB	No	No	0.44	0.65	N/A	22.13	0.32
			No	Yes	0.44	2.34	9.57	N/A	0.32
			Yes	No	0.44	40.68	N/A	N/A	0.32
			Yes	Yes	0.44	279.11	9.57	N/A	0.32

		512 KiB	No	No	0.44	0.65	N/A	22.19	0.31
			No	Yes	0.44	2.37	18.51	N/A	0.31
			Yes	No	0.44	40.74	N/A	N/A	0.31
			Yes	Yes	0.44	282.09	18.51	N/A	0.31

		1 MiB	No	No	0.44	0.65	N/A	22.23	0.31
			No	Yes	0.44	2.34	34.77	N/A	0.31
			Yes	No	0.44	40.77	N/A	N/A	0.31
			Yes	Yes	0.44	283.55	34.77	N/A	0.31

		5 MiB	No	No	0.44	0.65	N/A	22.22	0.31
			No	Yes	0.44	2.34	116.83	N/A	0.31
			Yes	No	0.44	40.80	N/A	N/A	0.31
			Yes	Yes	0.44	284.72	116.83	N/A	0.31

		10 MiB	No	No	0.45	0.65	N/A	22.23	0.31
			No	Yes	0.45	2.34	165.73	N/A	0.31
			Yes	No	0.45	40.80	N/A	N/A	0.31
			Yes	Yes	0.45	284.87	165.73	N/A	0.31