|chipKIT MZ Lite|
The chipKIT MZ Lite is a cheaper version of the chipKIT Pro MZ. The microcontroller has less memory (both flash and SRAM) and the board has a lower cost linear LDO regulator instead of a high power switching regulator.
LED1 is on digital pin 21. Power (ON) LED is on 3.3V power.
There is a "USER" button which shares pin 23. It has no external pullup, so to use it enable INPUT_PULLUP for the pin mode.
|Analog Input||Digital Pin|
|Serial Object||UART||TX Pin||RX Pin|
|I2C Object||Channel||SDA Pin||SCL Pin|
|DTWI0 / Wire||1||2||3|
|SPI Object||Channel||MOSI Pin||MISO Pin||SCK Pin|
|DSPI0 / SPI||2||25||26||24|
Note: these pins are also shared with the Micro SD card.
When you want to upload a new sketch to the chipKIT MZ Lite, you need to put it into bootloader mode. This is done by simply tapping the RESET button.
The LED should start pulsating to indicate the bootloader is running. After 15 seconds of inactivity the bootloader exits and returns to normal running mode.
The chipKIT MZ Lite has a native USB interface. This allows it to appear as a number of different devices to the computer, including:
No, it's not broken. The USB interface is only active when either the bootloader is running or your sketch has specifically requested that it be used through the use of, for example, "Serial.begin(115200);". If your sketch (such as the default Blink sketch) doesn't use the USB interface then the computer won't see the board at all. Pressing the RESET button will enter the bootloader and the computer should then see the board as a custom HID device.