SPVA044 Application note | 德州仪器 TI.com.cn

SPVA044A June 2026 – June 2026 AM2432 , AM2754-Q1 , AM625 , AM62A7 , AM62D-Q1 , AM62L , AM62P , AM6442

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	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

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

Frequency	Divider	Data Size Used	DMA	Throughput (MiBps)
Frequency	Divider	Data Size Used	DMA	INDAC Writes	DAC Reads	INDAC Reads	Erase
200 MHz	8	1 KiB	No	0.43	3.04	22.36	0.001
		1 KiB	Yes	0.43	3.04	N/A	0.001

		10 KiB	No	0.43	3.05	25.73	0.01
		10 KiB	Yes	0.43	44.72	N/A	0.01

		256 KiB	No	0.43	3.00	22.1	0.30
		256 KiB	Yes	0.43	48.61	N/A	0.30

		512 KiB	No	0.43	3.00	22.17	0.30
		512 KiB	Yes	0.43	48.68	N/A	0.30

		1 MiB	No	0.43	3.00	22.19	0.30
		1 MiB	Yes	0.43	48.72	N/A	0.30

		5 MiB	No	0.43	3.00	0.2	0.31
		5 MiB	Yes	0.43	48.75	N/A	0.31

		10 MiB	No	0.43	1.3.00	0.2	0.31
		10 MiB	Yes	0.43	48.76	N/A	0.31