Feb 1, 2008 #1 N neyadi Newbie level 2 Joined Feb 1, 2008 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,298 hi there im new to FPGA and VHDL and i wonder if someone can help me with it im using spartan 3 starter kit UG130 i want to use 2x20 LCD and im not sure which pins should i choose more over i wanted to ask you how to design UCF and how is the VHDL design
hi there im new to FPGA and VHDL and i wonder if someone can help me with it im using spartan 3 starter kit UG130 i want to use 2x20 LCD and im not sure which pins should i choose more over i wanted to ask you how to design UCF and how is the VHDL design
Feb 1, 2008 #2 S sameem_shabbir Advanced Member level 4 Joined Jan 5, 2008 Messages 104 Helped 5 Reputation 10 Reaction score 2 Trophy points 1,298 Location Pakistan Activity points 1,946 What do u mean by design UCF Are u talking about .ucf file
Feb 1, 2008 #3 E ehsanelahimirza Full Member level 6 Joined Feb 24, 2006 Messages 334 Helped 28 Reputation 56 Reaction score 7 Trophy points 1,298 Activity points 3,570 for pinout connection just refer to user manual provided with kit
Feb 1, 2008 #4 I Iouri Advanced Member level 2 Joined Aug 17, 2005 Messages 678 Helped 87 Reputation 174 Reaction score 8 Trophy points 1,298 Activity points 4,814 Alos make sure when you are picking your LCD it is 3.V type of display, because most of them are 5V and might not work Make sure you set up IO voltage correctly dor your FPGA also make sure the is 3.3V buffer from FPGA to LCD connector or VCC IO for those pins is 3.3V
Alos make sure when you are picking your LCD it is 3.V type of display, because most of them are 5V and might not work Make sure you set up IO voltage correctly dor your FPGA also make sure the is 3.3V buffer from FPGA to LCD connector or VCC IO for those pins is 3.3V
Feb 2, 2008 #5 N neyadi Newbie level 2 Joined Feb 1, 2008 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,298 sameem_shabbir: yup this file and if anyone has an example of using this LCD can i take a look at it ehsanelahimirza: i tried but im too confused so would help choosing which pins should i use https://www.xilinx.com/support/documentation/boards_and_kits/ug130.pdf Iouri: i think im gonna change the LCD to 2 x16 and 11 pins gonna be connected to the FPGA and the 3 to an external power supply as shown in the link **broken link removed** but the thing will i need a pull up resistor for this type of screen and can u help me to choose the 11 pins that i should connect it to
sameem_shabbir: yup this file and if anyone has an example of using this LCD can i take a look at it ehsanelahimirza: i tried but im too confused so would help choosing which pins should i use https://www.xilinx.com/support/documentation/boards_and_kits/ug130.pdf Iouri: i think im gonna change the LCD to 2 x16 and 11 pins gonna be connected to the FPGA and the 3 to an external power supply as shown in the link **broken link removed** but the thing will i need a pull up resistor for this type of screen and can u help me to choose the 11 pins that i should connect it to
Feb 2, 2008 #6 E ehsanelahimirza Full Member level 6 Joined Feb 24, 2006 Messages 334 Helped 28 Reputation 56 Reaction score 7 Trophy points 1,298 Activity points 3,570 neyadi said: ehsanelahimirza: i tried but im too confused so would help choosing which pins should i use Click to expand... go to page# 49
neyadi said: ehsanelahimirza: i tried but im too confused so would help choosing which pins should i use Click to expand... go to page# 49