Hardware:MEGA144H7 - Revision history

Gurov at 15:47, 26 February 2026

2026-02-26T15:47:05Z

← Older revision		Revision as of 15:47, 26 February 2026
Line 176:		Line 176:
	One point of concern is that the minimum input voltage for the IXDN602, which is used for the ignition drive, is exactly 3.0V. This does not leave much margin, but it technically falls within the rated range.		One point of concern is that the minimum input voltage for the IXDN602, which is used for the ignition drive, is exactly 3.0V. This does not leave much margin, but it technically falls within the rated range.
	There do not appear to be any issues with the other drive circuits.		There do not appear to be any issues with the other drive circuits.
	[[File:~~Image~~-3.png\|thumb\|Injector Driver VNLD5090]]
	[[File:~~Image~~-5.png\|thumb\|Ignition, PWM Idle, Boost, and other High Current Driver IXDN602]]		[[File:image-3.png\|thumb\|Injector Driver VNLD5090]]
	[[File:~~Image~~-6.png\|thumb\|Fuel Pump, Fan Driver SSM3K357R]]		[[File:image-5.png\|thumb\|Ignition, PWM Idle, Boost, and other High Current Driver IXDN602]]
			[[File:image-6.png\|thumb\|Fuel Pump, Fan Driver SSM3K357R]]

	== Base Map and Settings Preparation ==		== Base Map and Settings Preparation ==
Line 362:		Line 363:

	For Speeduino 0.4 and UA4C, set it to 2,490 ohms according to the schematic.		For Speeduino 0.4 and UA4C, set it to 2,490 ohms according to the schematic.
	[[File:~~Image~~-2.png\|thumb\|Speeduino 0.4.4d IAT Sensor Input Section]]
			[[File:image-2.png\|thumb\|Speeduino 0.4.4d IAT Sensor Input Section]]

	== Onboard SD Card Settings ==		== Onboard SD Card Settings ==
	These are the settings required to use the micro SD Card mounted on the MEGA144H7 Board. It is connected to the microcontroller via the SPI protocol. The processor's internal SPI module uses SPI3, and the SPI Chip Select (<code>CS</code>) uses <code>PD2</code>.		These are the settings required to use the micro SD Card mounted on the MEGA144H7 Board. It is connected to the microcontroller via the SPI protocol. The processor's internal SPI module uses SPI3, and the SPI Chip Select (<code>CS</code>) uses <code>PD2</code>.
	[[File:~~Image~~-7.png\|thumb\|SD Card SPI Setting]]
	[[File:~~Image~~-8.png\|thumb\|SD Card CS Pin Setting]]		[[File:image-7.png\|thumb\|SD Card SPI Setting]]
			[[File:image-8.png\|thumb\|SD Card CS Pin Setting]]

	== Onboard CAN BUS Settings ==		== Onboard CAN BUS Settings ==
Line 373:		Line 376:
	On the Speeduino v0.4 board, these pins are not connected to anything, so there is no pin interference.		On the Speeduino v0.4 board, these pins are not connected to anything, so there is no pin interference.
	Therefore, users can wire them up themselves.		Therefore, users can wire them up themselves.
	[[File:~~Image~~-9.png\|thumb\|CAN BUS Setting]]
			[[File:image-9.png\|thumb\|CAN BUS Setting]]

Gurov: images

2026-02-26T15:47:03Z

images

← Older revision		Revision as of 15:47, 26 February 2026
Line 176:		Line 176:
	One point of concern is that the minimum input voltage for the IXDN602, which is used for the ignition drive, is exactly 3.0V. This does not leave much margin, but it technically falls within the rated range.		One point of concern is that the minimum input voltage for the IXDN602, which is used for the ignition drive, is exactly 3.0V. This does not leave much margin, but it technically falls within the rated range.
	There do not appear to be any issues with the other drive circuits.		There do not appear to be any issues with the other drive circuits.
			[[File:Image-3.png\|thumb\|Injector Driver VNLD5090]]
	[[File:~~image~~-3.png\|thumb\|Injector Driver VNLD5090]]		[[File:Image-5.png\|thumb\|Ignition, PWM Idle, Boost, and other High Current Driver IXDN602]]
	[[File:~~image~~-5.png\|thumb\|Ignition, PWM Idle, Boost, and other High Current Driver IXDN602]]		[[File:Image-6.png\|thumb\|Fuel Pump, Fan Driver SSM3K357R]]
	[[File:~~image~~-6.png\|thumb\|Fuel Pump, Fan Driver SSM3K357R]]

	== Base Map and Settings Preparation ==		== Base Map and Settings Preparation ==
Line 363:		Line 362:

	For Speeduino 0.4 and UA4C, set it to 2,490 ohms according to the schematic.		For Speeduino 0.4 and UA4C, set it to 2,490 ohms according to the schematic.
			[[File:Image-2.png\|thumb\|Speeduino 0.4.4d IAT Sensor Input Section]]
	[[File:~~image~~-2.png\|thumb\|Speeduino 0.4.4d IAT Sensor Input Section]]

	== Onboard SD Card Settings ==		== Onboard SD Card Settings ==
	These are the settings required to use the micro SD Card mounted on the MEGA144H7 Board. It is connected to the microcontroller via the SPI protocol. The processor's internal SPI module uses SPI3, and the SPI Chip Select (<code>CS</code>) uses <code>PD2</code>.		These are the settings required to use the micro SD Card mounted on the MEGA144H7 Board. It is connected to the microcontroller via the SPI protocol. The processor's internal SPI module uses SPI3, and the SPI Chip Select (<code>CS</code>) uses <code>PD2</code>.
			[[File:Image-7.png\|thumb\|SD Card SPI Setting]]
	[[File:~~image~~-7.png\|thumb\|SD Card SPI Setting]]		[[File:Image-8.png\|thumb\|SD Card CS Pin Setting]]
	[[File:~~image~~-8.png\|thumb\|SD Card CS Pin Setting]]

	== Onboard CAN BUS Settings ==		== Onboard CAN BUS Settings ==
Line 376:		Line 373:
	On the Speeduino v0.4 board, these pins are not connected to anything, so there is no pin interference.		On the Speeduino v0.4 board, these pins are not connected to anything, so there is no pin interference.
	Therefore, users can wire them up themselves.		Therefore, users can wire them up themselves.
			[[File:Image-9.png\|thumb\|CAN BUS Setting]]
	[[File:~~image~~-9.png\|thumb\|CAN BUS Setting]]

Gurov: add kitaji_SR20 content

2026-02-26T15:42:19Z

add kitaji_SR20 content

Show changes

Ogalic at 12:42, 29 January 2026

2026-01-29T12:42:11Z

← Older revision		Revision as of 12:42, 29 January 2026
Line 1:		Line 1:
	[[File:Mega144h72.png\|thumb\|MEGA144H7]]		[[File:Mega144h72.png\|thumb\|MEGA144H7]]
	The MEGA144H7 is a [[Hardware#Arduino Upgrade Boards\|Speeduino upgrade board]] designed by ~~epicEFI~~ and sold by [https://dcwerxtuned.com/product/stm32-h7-adapter-board-arduino-mega-2560-footprint/ DCwerx] ~~that~~ uses a 144-pin STM32H732. The board has several notable features:		The MEGA144H7 is a [[Hardware#Arduino Upgrade Boards\|Speeduino upgrade board]] designed by ''ggurov'' and ''turboedge'', originally inspired by [https://github.com/pazi88/STM32_mega pazi88].It is sold by [https://dcwerxtuned.com/product/stm32-h7-adapter-board-arduino-mega-2560-footprint/ DCwerx].

			It uses a 144-pin STM32H732. The board has several notable features:

	* Inputs are buffered from 5v to 3.3v for direct sensor compatibility		* Inputs are buffered from 5v to 3.3v for direct sensor compatibility

Ogalic at 08:50, 29 January 2026

2026-01-29T08:50:25Z

← Older revision		Revision as of 08:50, 29 January 2026
Line 10:		Line 10:
	The design of this board is proprietary.{{Speeduino Warning}}		The design of this board is proprietary.{{Speeduino Warning}}

	~~</br>~~
	</br>		</br>
	== Pinout ==		== Pinout ==

Ogalic at 08:50, 29 January 2026

2026-01-29T08:50:15Z

← Older revision		Revision as of 08:50, 29 January 2026
Line 23:		Line 23:
	\| D1 \|\| TX0 \|\| \|\| PA9		\| D1 \|\| TX0 \|\| \|\| PA9
	\|-		\|-
	\| D2 \|\| pinFlex \|\| NC \|\| PB15		\| D2 \|\| pinFlex \|\| \|\| PB15
	\|-		\|-
	\| D3 \|\| pinTrigger3 (CAM2) \|\| NC \|\| PB14		\| D3 \|\| pinTrigger3 (CAM2) \|\| \|\| PB14
	\|-		\|-
	\| D4 \|\| pinVVT_1 \|\| NC \|\| PD8		\| D4 \|\| pinVVT_1 \|\| \|\| PD8
	\|-		\|-
	\| D5 \|\| pinIDLE1 \|\| INJ4 \|\| PD9		\| D5 \|\| pinIDLE1 \|\| INJ4 \|\| PD9
Line 95:		Line 95:
	\| D37 \|\| \|\| LAUNCH \|\| PE14		\| D37 \|\| \|\| LAUNCH \|\| PE14
	\|-		\|-
	\| D38 \|\| pinCoil2 \|\| NC \|\| PG15		\| D38 \|\| pinCoil2 \|\| \|\| PG15
	\|-		\|-
	\| D39 \|\| \|\| NC \|\| PB4		\| D39 \|\| \|\| \|\| PB4
	\|-		\|-
	\| D40 \|\| pinCoil1 \|\| NC \|\| PB3		\| D40 \|\| pinCoil1 \|\| \|\| PB3
	\|-		\|-
	\| D41 \|\| \|\| NC \|\| PB5		\| D41 \|\| \|\| \|\| PB5
	\|-		\|-
	\| D42 \|\| pinWMIEnabled \|\| NC \|\| PB7		\| D42 \|\| pinWMIEnabled \|\| \|\| PB7
	\|-		\|-
	\| D43 \|\| pinResetControl \|\| NC \|\| PB6		\| D43 \|\| pinResetControl \|\| \|\| PB6
	\|-		\|-
	\| D44 \|\| pinWMIIndicator \|\| NC \|\| PB9		\| D44 \|\| pinWMIIndicator \|\| \|\| PB9
	\|-		\|-
	\| D45 \|\| pinFuelPump \|\| NC \|\| PB8		\| D45 \|\| pinFuelPump \|\| \|\| PB8
	\|-		\|-
	\| D46 \|\| pinWMIEmpty \|\| NC \|\| PE0		\| D46 \|\| pinWMIEmpty \|\| \|\| PE0
	\|-		\|-
	\| D47 \|\| pinFan \|\| NC \|\| PE1		\| D47 \|\| pinFan \|\| \|\| PE1
	\|-		\|-
	\| D48 \|\| pinVVT_2 / pinDisplayReset \|\| NC \|\| PE2		\| D48 \|\| pinVVT_2 / pinDisplayReset \|\| \|\| PE2
	\|-		\|-
	\| D49 \|\| pinTachOut \|\| SPI_SS1 \|\| PE3		\| D49 \|\| pinTachOut \|\| SPI_SS1 \|\| PE3

Ogalic: /* Pinout */

2026-01-29T08:46:14Z

Pinout

← Older revision		Revision as of 08:46, 29 January 2026
Line 10:		Line 10:
	The design of this board is proprietary.{{Speeduino Warning}}		The design of this board is proprietary.{{Speeduino Warning}}

	~~== Pinout ==~~
	</br>		</br>
	</br>		</br>
			== Pinout ==
	{\| class="wikitable sortable" style="width: 100%"		{\| class="wikitable sortable" style="width: 100%"
	! Arduino Pin		! Arduino Pin

Ogalic: /* Pinout */

2026-01-29T08:46:04Z

Pinout

← Older revision		Revision as of 08:46, 29 January 2026
Line 11:		Line 11:

	== Pinout ==		== Pinout ==
			</br>
	</br>		</br>
	{\| class="wikitable sortable" style="width: 100%"		{\| class="wikitable sortable" style="width: 100%"

Ogalic: /* Pinout */

2026-01-29T08:45:52Z

Pinout

← Older revision		Revision as of 08:45, 29 January 2026
Line 11:		Line 11:

	== Pinout ==		== Pinout ==
	<br>		</br>
	{\| class="wikitable sortable" style="width: 100%"		{\| class="wikitable sortable" style="width: 100%"
	! Arduino Pin		! Arduino Pin

Ogalic: /* Pinout */

2026-01-29T08:45:44Z

Pinout

← Older revision		Revision as of 08:45, 29 January 2026
Line 11:		Line 11:

	== Pinout ==		== Pinout ==
	{\| class="wikitable sortable"		<br>
			{\| class="wikitable sortable" style="width: 100%"
	! Arduino Pin		! Arduino Pin
	! Speeduino 0.4x		! Speeduino 0.4x