Model Configuration Parameters for BBC micro:bit
Hardware Implementation Pane Overview
Default Hardware Implementation Pane

Configure hardware board to run Simulink® models.
- In the Simulink Editor, select Simulation > Model Configuration Parameters. 
- In the Configuration Parameter dialog box, click Hardware Implementation. 
- Set the Hardware board parameter to - BBC micro:bit.
- The parameter values under Hardware board settings are automatically populated to their default values. - You can optionally adjust these parameters for your particular use case. 
- Click Apply to apply the changes. 
Build Options
| Parameter | Description | Default Value | 
|---|---|---|
| Defines how Simulink Coder™ responds when you build your model. | 
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Clocking
| Parameter | Description | Default Value | 
|---|---|---|
| The CPU clock frequency in MHz. | 
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LED Matrix
| Parameter | Description | Default Value | 
|---|---|---|
| 
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I2C
| Parameter | Description | Default Value | 
|---|---|---|
| Sets serial clock (SCL) pin. | 
 | |
| Sets serial data (SDA) pin. | 
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SPI
| Parameter | Description | Default Value | 
|---|---|---|
| Sets the pin that connects the master output to the slave input. | 
 | |
| Sets the pin that connects the slave output to the master input. | 
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| Sets serial clock (SCK) pin. | 
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SCI
| Parameter | Description | Default Value | 
|---|---|---|
| Defines how fast the data is sent over a serial line. | 
 | |
| Sets the receiving pin of UART. | 
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| Sets the transmitting pin of UART. | 
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| Sets the number of data bits to transmit. | 
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| Sets the type of parity checking to identify low-level errors. | 
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| Sets the number of stop bits to indicate end of a packet. | 
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External Mode
| Parameter | Description | Default Value | 
|---|---|---|
| Sets the transport layer used to exchange data between host computer and hardware. | 
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| Sets whether to view external mode execution progress and updates. | 
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| Select this check box to set the logging buffer size automatically. | 
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