83 lines
2.3 KiB
Markdown
83 lines
2.3 KiB
Markdown
This development board is PnP for NA6 and 94-95 Miatas.
|
|
|
|
[[Download release firmware]](https://github.com/rusefi/rusefi/releases/latest/download/rusefi_bundle_hellenNA6.zip)
|
|
[[Nightly firmware bundle]](https://rusefi.com/build_server/rusefi_bundle_hellenNA6.zip)
|
|
|
|
[[eBay]](https://www.ebay.com/itm/234060110093)
|
|
|
|
[[Pinout]](https://rusefi.com/docs/pinouts/hellen/hellen64_miataNA6_94/)
|
|
|
|
[issue tracker](https://github.com/rusefi/hellenNA6_issues)
|
|
|
|
[[schematic rev a]](Hardware/Hellen/hellen64_miataNA6_94-a-schematic.pdf)
|
|
|
|
[preview draft of future revision subject to change](Hardware/Hellen/hellen64_miataNA6_94-b-schematic.pdf)[[ibom rev b]](https://rusefi.com/docs/ibom/hellen64_miataNA6_94-b-ibom.html)
|
|
|
|
|
|
[Mazda Miata 1990](Mazda-Miata-1990)
|
|
|
|
[Mazda Miata 1994](Mazda-Miata-1994)
|
|
|
|
## Hardware features
|
|
|
|
* knock detection module
|
|
* build-in WBO
|
|
* battery to keep real time clock running
|
|
* LPS25HB baro sensor
|
|
* QMA7981 accelerometer on rev A.
|
|
* LIS2DW12TR accelerometer on rev B
|
|
|
|
|
|
![x](Hardware/Hellen/hellen64na6-a.jpg)
|
|
|
|
## Extension Pads (rev. b)
|
|
|
|
| Pin | Type | Comments |
|
|
|---|---|---|
|
|
||**Outputs**||
|
|
| P9 | PP | 1.5 A peak |
|
|
| P10 | PP | 1.5 A peak |
|
|
| P12 | Bridge driver A | 3 A peak |
|
|
| P11 | Bridge driver A | 3 A peak |
|
|
| P13 | Bridge driver B | 3 A peak |
|
|
| P14 | Bridge driver B | 3 A peak |
|
|
| P8 | Low side | 1.4 A |
|
|
| P15 | Low side | 1 A |
|
|
| P16 | Low side | 1 A |
|
|
| P17 | Low side (always hot) | 0.5 A |
|
|
| P18 | Low side | 0.5 A |
|
|
| P19 | Low side | 0.5 A |
|
|
| P20 | Low side | 0.5 A |
|
|
| P21 | Low side | 0.5 A |
|
|
| P22 | High side | 4 A |
|
|
| P23 | High side | 4 A |
|
|
| P24 | PP 5 V | 20 mA |
|
|
| P25 | PP 5 V | 20 mA |
|
|
| P29 | PP 5 V | 20 mA |
|
|
| P30 | PP 5 V | 20 mA |
|
|
| P31 | PP 5 V | 20 mA |
|
|
| P32 | PP 5 V | 20 mA |
|
|
| | **Inputs** | |
|
|
| P1 | Knock | |
|
|
| P26 | Discrete pull down | |
|
|
| P27 | Discrete pull down | |
|
|
| P28 | Discrete pull down | |
|
|
| P33 | Analog pull up | |
|
|
| P34 | Analog pull up | |
|
|
| P35 | Analog pull down | |
|
|
| P36 | Analog pull up | |
|
|
| P37 | Analog pull up| |
|
|
| P38 | Analog pull down | |
|
|
| P39 | Analog pull down | |
|
|
| P40 | Analog pull up | |
|
|
| P41 | Analog pull up | |
|
|
| P42 | Discrete pull up | |
|
|
| P43 | Discrete pull down | |
|
|
| P44 | Discrete pull up | |
|
|
| P45 | Discrete pull down | |
|
|
| | **MCU** | |
|
|
| P3 | GPIO | |
|
|
| P4 | GPIO | |
|
|
| P5 | GPIO | |
|
|
| P6 | GPIO | |
|
|
| J4 | SPI, UART, I2C, GPIO | See silkscreen and schematic for details | |