EEDEHD ARM Cortex M4F MCU choices - Revision history

21stCP Wiki BDFL: /* STMicrolectronics ARM Cortex M7 MCU offers */

2022-05-15T13:35:07Z

STMicrolectronics ARM Cortex M7 MCU offers

← Older revision		Revision as of 09:35, 15 May 2022
Line 52:		Line 52:
	STM32F439		STM32F439

	STM32F469		STM32F469. Full-featured, best in family.

	STM32F479		STM32F479. Hardware cryptographic accelerator.

	==== NXP USA Inc ARM Cortex M7 MCU offers ====		==== NXP USA Inc ARM Cortex M7 MCU offers ====

21stCP Wiki BDFL: /* STMicrolectronics ARM Cortex M7 MCU offers */

2022-05-15T13:32:30Z

STMicrolectronics ARM Cortex M7 MCU offers

← Older revision		Revision as of 09:32, 15 May 2022
Line 45:		Line 45:

	Package options go all the way up to 216-TFBGA (265-TFBGA for dual core??? TODO), and that is awesome!!!		Package options go all the way up to 216-TFBGA (265-TFBGA for dual core??? TODO), and that is awesome!!!

			TODO decipher families:

			STM32F429

			STM32F439

			STM32F469

			STM32F479

	==== NXP USA Inc ARM Cortex M7 MCU offers ====		==== NXP USA Inc ARM Cortex M7 MCU offers ====

21stCP Wiki BDFL: /* STMicrolectronics ARM Cortex M7 MCU offers */

2022-05-15T13:26:45Z

STMicrolectronics ARM Cortex M7 MCU offers

← Older revision		Revision as of 09:26, 15 May 2022
Line 44:		Line 44:


	Package options go all the way up to 265-TFBGA, and that is awesome!!!		Package options go all the way up to 216-TFBGA (265-TFBGA for dual core??? TODO), and that is awesome!!!

	==== NXP USA Inc ARM Cortex M7 MCU offers ====		==== NXP USA Inc ARM Cortex M7 MCU offers ====

21stCP Wiki BDFL: /* STMicrolectronics ARM Cortex M7 MCU offers */

2022-05-15T13:24:19Z

STMicrolectronics ARM Cortex M7 MCU offers

← Older revision		Revision as of 09:24, 15 May 2022
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	==== STMicrolectronics ARM Cortex M7 MCU offers ====		==== STMicrolectronics ARM Cortex M7 MCU offers ====
	STM32F4		STM32F4

			TODO WHAT ARE -G AND -L FAMILIES???

21stCP Wiki BDFL: /* Microchip Technology ARM Cortex M7 MCU offers */

2022-01-31T04:33:00Z

Microchip Technology ARM Cortex M7 MCU offers

← Older revision		Revision as of 00:33, 31 January 2022
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	==== Microchip Technology ARM Cortex M7 MCU offers ====		==== Microchip Technology ARM Cortex M7 MCU offers ====
	SAM E54 Family (with Ethernet)		SAM E54 Family (with Ethernet and CAN)

	SAM E53 Family (with Ethernet)		SAM E53 Family (with Ethernet, without CAN)

	SAM E51 Family (without Ethernet)		SAM E51 Family (without Ethernet, but with CAN)

	SAM D51 Family (without Ethernet)		SAM D51 Family (without Ethernet or CAN)

	SAM4E. TODO older family???		SAM4E. TODO older family???

21stCP Wiki BDFL at 04:28, 31 January 2022

2022-01-31T04:28:14Z

← Older revision		Revision as of 00:28, 31 January 2022
Line 1:		Line 1:
	{{EED-DigiKey-Standard-IC-Filter-Criteria}}		{{EED-DigiKey-Standard-IC-Filter-Criteria}}

	As explained in <nowiki>[[~~EEDEHD_ARM_Cortex_M7_MCU_choices~~]]</nowiki>, choices for ARM Cortex M7 MCUs influence our choices of M4F MCUs. F stands for Floating Point calculation co-processor option that is built in. Without dedicated hardware, floating-point calculations are extremely inefficient and slow otherwise.		As explained in <nowiki>[[EEDEHD ARM Cortex M7 MCU choices]]</nowiki>, choices for ARM Cortex M7 MCUs influence our choices of M4F MCUs. F stands for Floating Point calculation co-processor option that is built in. Without dedicated hardware, floating-point calculations are extremely inefficient and slow otherwise.

	Note: only single-core solutions are looked at here, as being far less easier to start using for the first time by a newcomer, compared to multicore solutions.		Note: only single-core solutions are looked at here, as being far less easier to start using for the first time by a newcomer, compared to multicore solutions.

21stCP Wiki BDFL: /* Microchip Technology ARM Cortex M7 MCU offers */

2022-01-31T04:25:00Z

Microchip Technology ARM Cortex M7 MCU offers

← Older revision		Revision as of 00:25, 31 January 2022
Line 20:		Line 20:

	==== Microchip Technology ARM Cortex M7 MCU offers ====		==== Microchip Technology ARM Cortex M7 MCU offers ====
	SAM ~~E53~~		SAM E54 Family (with Ethernet)

	SAM ~~E54~~		SAM E53 Family (with Ethernet)

	~~TODO additional???~~		SAM E51 Family (without Ethernet)

	SAM4E. TODO older???		SAM D51 Family (without Ethernet)

			SAM4E. TODO older family???

	Unfortunately, Microchip packages peter out at a measly 128-TQFP / 120-TFBGA. This is a deal-killer!!! And the TQFP package has a rather limited number of CRET pins as well. We suspect that at 120MHz, such a poor provision for number and location of CRET pins will likely cause serious Signal Integrity issues at full clock speed... Therefore, the only reason we would consider using Microchip is if there is a rather serious software compatibility (such as to Arduino bootloaders already written for Microchip) / customer support / documentation / hardware compatibility benefit to sacrificing pincount and SI considerations.		Unfortunately, Microchip packages peter out at a measly 128-TQFP / 120-TFBGA. This is a deal-killer!!! And the TQFP package has a rather limited number of CRET pins as well. We suspect that at 120MHz, such a poor provision for number and location of CRET pins will likely cause serious Signal Integrity issues at full clock speed... Therefore, the only reason we would consider using Microchip is if there is a rather serious software compatibility (such as to Arduino bootloaders already written for Microchip) / customer support / documentation / hardware compatibility benefit to sacrificing pincount and SI considerations.

21stCP Wiki BDFL at 04:19, 31 January 2022

2022-01-31T04:19:35Z

← Older revision		Revision as of 00:19, 31 January 2022
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	*STMicrolectronics		*STMicrolectronics
	*NXP USA Inc.		*NXP USA Inc.
			And just for cross-compatibility's sake, we only consider MCU families that offer Ethernet and other advanced connectivity options (also like CAN, etc), just in case these will be ever utilized.

	==== Microchip Technology ARM Cortex M7 MCU offers ====		==== Microchip Technology ARM Cortex M7 MCU offers ====
Line 23:		Line 24:
	SAM E54		SAM E54

	SAM4E		TODO additional???

			SAM4E. TODO older???

			Unfortunately, Microchip packages peter out at a measly 128-TQFP / 120-TFBGA. This is a deal-killer!!! And the TQFP package has a rather limited number of CRET pins as well. We suspect that at 120MHz, such a poor provision for number and location of CRET pins will likely cause serious Signal Integrity issues at full clock speed... Therefore, the only reason we would consider using Microchip is if there is a rather serious software compatibility (such as to Arduino bootloaders already written for Microchip) / customer support / documentation / hardware compatibility benefit to sacrificing pincount and SI considerations.

	==== STMicrolectronics ARM Cortex M7 MCU offers ====		==== STMicrolectronics ARM Cortex M7 MCU offers ====
Line 32:		Line 37:

	STM32H7		STM32H7


			Package options go all the way up to 265-TFBGA, and that is awesome!!!

	==== NXP USA Inc ARM Cortex M7 MCU offers ====		==== NXP USA Inc ARM Cortex M7 MCU offers ====
Line 52:		Line 60:

	i.MX		i.MX


			NXP will be penciled in as a standby option, and won't be considered further at this time.

21stCP Wiki BDFL at 04:07, 31 January 2022

2022-01-31T04:07:14Z

@@ Line 1: / Line 1: @@
 {{EED-DigiKey-Standard-IC-Filter-Criteria}}
-As explained in <nowiki>[[EEDEHD_ARM_Cortex_M7_MCU_choices]]</nowiki>, choices for ARM Cortex M7 MCUs influence our choices of M4F MCUs.
+As explained in <nowiki>[[EEDEHD_ARM_Cortex_M7_MCU_choices]]</nowiki>, choices for ARM Cortex M7 MCUs influence our choices of M4F MCUs. F stands for Floating Point calculation co-processor option that is built in. Without dedicated hardware, floating-point calculations are extremely inefficient and slow otherwise.
 Note: only single-core solutions are looked at here, as being far less easier to start using for the first time by a newcomer, compared to multicore solutions.
@@ Line 11: / Line 11: @@
 Additional Search Criteria/Parameters:
-Core Processor: ARM Cortex-M4/M4F (because just like in countless other situations, DigiKey search lists/criteria are to NEVER be trusted. They are too frequently incorrect, incomplete, stupid, or useless!!!
+Core Processor: ARM Cortex-M4/M4F. Note regarding also selecting M4 in addition to M4F: because just like in countless other situations, DigiKey search lists/criteria are to NEVER be trusted. They are too frequently incorrect, incomplete, stupid, or useless!!!
-Due to our desire to be able to jump to M7 as needed, we will ony support same three manufacturers that offer ARM Cortex M7 MCUs:
+Due to our desire to be able to jump to M7 as needed, we will only support same three manufacturers that offer ARM Cortex M7 MCUs:
 *Microchip Technology
 *STMicrolectronics
 *NXP USA Inc.
-Manufacturers left:

21stCP Wiki BDFL: Created page with "{{EED-DigiKey-Standard-IC-Filter-Criteria}} As explained in EEDEHD_ARM_Cortex_M7_MCU_choices, choices for ARM Cortex M7 MCUs influence our choices of M4F MCUs. Note: only single-core solutions are looked at here, as being far less easier to start using for the first time by a newcomer, compared to multicore solutions. Starting from: https://www.digikey.com/en/products/filter/embedded-microcontrollers/685 Additional Search Criteria/Parameters: C..."

2022-01-31T03:57:28Z

Created page with "{{EED-DigiKey-Standard-IC-Filter-Criteria}} As explained in <nowiki>EEDEHD_ARM_Cortex_M7_MCU_choices</nowiki>, choices for ARM Cortex M7 MCUs influence our choices of M4F MCUs. Note: only single-core solutions are looked at here, as being far less easier to start using for the first time by a newcomer, compared to multicore solutions. Starting from: https://www.digikey.com/en/products/filter/embedded-microcontrollers/685 Additional Search Criteria/Parameters: C..."

New page

{{EED-DigiKey-Standard-IC-Filter-Criteria}}

As explained in <nowiki>[[EEDEHD_ARM_Cortex_M7_MCU_choices]]</nowiki>, choices for ARM Cortex M7 MCUs influence our choices of M4F MCUs.

Note: only single-core solutions are looked at here, as being far less easier to start using for the first time by a newcomer, compared to multicore solutions.

Starting from:

https://www.digikey.com/en/products/filter/embedded-microcontrollers/685

Additional Search Criteria/Parameters:

Core Processor: ARM Cortex-M4/M4F (because just like in countless other situations, DigiKey search lists/criteria are to NEVER be trusted. They are too frequently incorrect, incomplete, stupid, or useless!!!

Due to our desire to be able to jump to M7 as needed, we will ony support same three manufacturers that offer ARM Cortex M7 MCUs:
*Microchip Technology
*STMicrolectronics
*NXP USA Inc.
Manufacturers left: