9/23/2023 0 Comments Program cpld with arduino megaThere is also a connector for a common and cheap 1602A or 2014A LCD 5V module (that probably you already have got.). To configure the CPLD (an EPM240T100C5 with 240 LEs, enough for some fun.) it is used the Quartus II IDE (free edition) and a cheap " USB Blaster" dongle through the JTAG connector.Ī 4 digit 7-segment led display, four push buttons (USER4-USER7) and four leds (LED1-LED4) are reserved to the CPLD. You need to flash the bootloader first using a cheap " St-Link V2" dongle through the SWD connector (or using a serial-USB adapter on the SERIAL connector. For a short story about the Maple Mini and the stm32duino see here. The STM32F103 MCU side is " Maple Mini" compatible, so it possible to use the STM32F103 Arduino core provided by (more info here). The STM32F103 MCU is used as "stimulus generator" and as 8/36MHz clock generator for the CPLD, and is easily programmed using the friendly Arduino IDE through the USB connector.įive push buttons (RST, BUT, USER1-USER3) and a led (PB1) are reserved to the MCU.
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