Difference between revisions of "M0dularis+"
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You can decide via solder-jumper between | You can decide via solder-jumper between | ||
| − | * D12 | + | * IO3: D12 or A0 |
| − | * D10 | + | * IO2: D10 or A2 |
| − | * 5V and 3.3V on | + | * Application connector: 5V and 3.3V on |
| − | * 5V and 3.3V on | + | * Frontend connector: 5V and 3.3V on |
| − | * PullUp or No PullUp for | + | * I2C (on IO0/IO1): PullUp or No PullUp for |
Revision as of 11:14, 25 February 2018
| M0dularis M+ | |
|---|---|
| Developer | Alexander Christian |
| Status/Current Version | Version 1.0 already works |
| µC | Atmel/Microchip SAMD21G18J |
| KNX | Siemens BCU / Micro BCU |
Description
Controller-Board, mainly designed for OKW 4TE REG case, but also useable with anything else that fits. Can be used with Siemens BCU and Eugen's µBCU. Uses the powerful SAMD21 microcontroller from Microchip/Atmel and has optional I²C EEPROM and SPI Flash.
Hardware
Pinout Application Connector:
| Description | Pin | Pin | Description | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| GND / KNX GND | 1 | 2 | GND from 24V Input | ||||||||
| VCC | 3 | 4 | 24V from 24V Input | ||||||||
| TX3 | PA22 / SDA | SDA / IO0 | 5 | 6 | IO3 | SJ: PA19/D12 od. PA02/A0 | MISO1 | RX1 | |||
| RX3 | PA23 / SCL | SCL / IO1 | 7 | 8 | ExtINT Application / IO2 | SJ: PA18/D10 od. PB09/A2 | SS1 | TX1 | |||
| SDA2 | RX2 | MISO2 | PA09 / D3 | Option0 | 9 | 10 | Option7 | PA17 / D13 | SCK1 | RX1 | SCL1 |
| SCL2 | TX2 | MOSI2 | PA08 / D4 | Option1 | 11 | 12 | Option6 | PA16 / D11 | MOSI1 | TX1 | SDA1 |
| SCK2 | PA15 / D5 | Option2 | 13 | 14 | Option5 | PA20 / D6 | |||||
| SS2 | PA14 / D2 | Option3 | 15 | 16 | Option4 | PA21 / D7 |
You can decide via solder-jumper between
- IO3: D12 or A0
- IO2: D10 or A2
- Application connector: 5V and 3.3V on
- Frontend connector: 5V and 3.3V on
- I2C (on IO0/IO1): PullUp or No PullUp for
Connections
- ProgButton*: D15 / A1 [EIC8]
- ProgLED: D19 / A5
- Save*: D17 / A3 [EIC4]
- Reset*: Lötbrücke zw. SAMD-RESET und BCU-RESET Pin
- ExtInt TOP*: D38 [EIC13]
- SPI Flash
- CS: D9
- DO/IO1: PA12 / D22 MISO
- DI/IO0: PB10 / D23 MOSI
- CLK: PB11 / D24 SCK
\* = PWM capable