Well look at the nick and I guess you can tell I used to drink allot maybe that is why I recognized it as a beer. Why did he name it Stella anyways, was he drinking it when he thought of /designed it?..lol
Well look at the nick and I guess you can tell I used to drink allot maybe that is why I recognized it as a beer. Why did he name it Stella anyways, was he drinking it when he thought of /designed it?..lol
My SPI + 2 LCD design is practical if you have other SPI devices like EEPROM. Since the LCD is in 8bit mode you simply send the data as you would normally to the SPI port. **broken link removed**
That actually looks like a very nice way to do it too, Bill. And much more flexible as an 8-bit latch for other tasks when you don't toggle the LCD 'E' line as you've shown with the 4x4 keypad option. Heck, you could even drive 4 digit 7 segment display (and lots of other things) with that configuration.
My SPI + 2 LCD design is practical if you have other SPI devices like EEPROM. Since the LCD is in 8bit mode you simply send the data as you would normally to the SPI port.
My SPI + 2 LCD design is practical if you have other SPI devices like EEPROM. Since the LCD is in 8bit mode you simply send the data as you would normally to the SPI port. **broken link removed**
My SPI + 2 LCD design is practical if you have other SPI devices like EEPROM. Since the LCD is in 8bit mode you simply send the data as you would normally to the SPI port. **broken link removed**
I was just looking at the timing diagrams for SPI and I was wondering when you would strobe the E line on the LCD?
Would you monitor the TRMT flag in the TXSTA register after sending an SPI byte to insure that all 8 bits have been streamed out and latched into the '164 before sending the E strobe signal?