View source for Hardware: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:

* Inputs are buffered from 5v to 3.3v for direct sensor compatibility 
* Onboard SD card slot
* Onboard CAN physical interface (uses the I2C pins)
* Onboard 3.3v voltage regulator
Internal code: '''MEGA144H7'''

The design of this board is proprietary.{{Speeduino Warning}}

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== Pinout ==
{| class="wikitable sortable" style="width: 100%"
! Arduino Pin
! Speeduino 0.4x
! UA4C v5
! MEGA144H7
|-
| D0 || RX0 || || PA10
|-
| D1 || TX0 || || PA9
|-
| D2 || pinFlex || NC || PB15
|-
| D3 || pinTrigger3 (CAM2) || NC || PB14
|-
| D4 || pinVVT_1 || NC || PD8
|-
| D5 || pinIDLE1 || INJ4 || PD9
|-
| D6 || pinIDLE2 || INJ3 || PD10
|-
| D7 || pinBOOST || INJ2 || PD11
|-
| D8 || pinInjector1 || INJ1 || PC6
|-
| D9 || pinInjector2 || IDLE1 || PC7
|-
| D10 || pinInjector3 || IDLE2 || PC8
|-
| D11 || pinInjector4 || VVT || PC9
|-
| D12 || pinInjector5 || BOOST || PA8
|-
| D13 || || || PA15
|-
| D14 || sec serial || tx3 || PB10
|-
| D15 || sec serial || rx3 || PB11
|-
| D16 || pinStepperDir || TX2 || PD5
|-
| D17 || pinStepperStep || RX2 || PD6
|-
| D18 || pinTrigger2 (CAM1) || CAM || PD4
|-
| D19 || pinTrigger (CRANK) || CRANK || PD3
|-
| D20 || pinVSS || FLEX || PE13
|-
| D21 || || KNOCK || PE12
|-
| D22 || || TACHO || PE11
|-
| D23 || || FUEL PUMP || PE10
|-
| D24 || pinStepperEnable || FAN || PE15
|-
| D25 || || FAN2 || PE9
|-
| D26 || || LC1 || PE8
|-
| D27 || || LC2 || PE7
|-
| D28 || || LC3 || PB2
|-
| D29 || || LC4 || PD15
|-
| D30 || || STEP_EN || PD14
|-
| D31 || || STEP_STEP || PB13
|-
| D32 || || STEP_DIR || PD12
|-
| D33 || || IGN3 || PD13
|-
| D34 || pinCoil5 || IGN4 || PB12
|-
| D35 || || IGN1 || PD7
|-
| D36 || || IGN2 || PG14
|-
| D37 || || LAUNCH || PE14
|-
| D38 || pinCoil2 || NC || PG15
|-
| D39 || || NC || PB4
|-
| D40 || pinCoil1 || NC || PB3
|-
| D41 || || NC || PB5
|-
| D42 || pinWMIEnabled || NC || PB7
|-
| D43 || pinResetControl || NC || PB6
|-
| D44 || pinWMIIndicator || NC || PB9
|-
| D45 || pinFuelPump || NC || PB8
|-
| D46 || pinWMIEmpty || NC || PE0
|-
| D47 || pinFan || NC || PE1
|-
| D48 || pinVVT_2 / pinDisplayReset || NC || PE2
|-
| D49 || pinTachOut || SPI_SS1 || PE3
|-
| D50 || pinInjector6 / pinCoil4 || SPI_MISO || PE4
|-
| D51 || pinLaunch || SPI_MOSI || PE5
|-
| D52 || pinCoil3 || SPI_SCK || PE6
|-
| D53 || || SPI_SS0 || PC13
|-
| A0 || pinIAT || MAP || PA0
|-
| A1 || pinCLT || O2 || PA1
|-
| A2 || pinTPS || BAT || PA2
|-
| A3 || pinMAP || TPS || PA3
|-
| A4 || pinBat || CLT || PA4
|-
| A5 || pinBaro || IAT || PA5
|-
| A6 || || || PA6
|-
| A7 || || BARO || PA7
|-
| A8 || pinO2 || INP1 || PB0
|-
| A9 || || INP2 || PB1
|-
| A10 || || || PC0
|-
| A11 || || || PC1
|-
| A12 || || || PC2
|-
| A13 || || || PC3
|-
| A14 || || || PC4
|-
| A15 || || || PC5
|}