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Re: PC16550D UART with HC11E1

Hi Peter ! Why don't you try the older MC68B50 ACIA. It is still a good option for the HC11. The chip is obsolete, but you can still find thousands of it almost ...

RE: PC16550D UART with HC11E1

any idea how i can program in circuit a 68HC11P2 processor ??? do you have info a schematic or software thanks VASTEC ELECTRONICS Diestersteenweg 103 ...

RE: PC16550D UART with HC11E1

Hi Has anyone tried connecting a PC16550D UART to a 68HC11E1? I finding it difficult to fully utilise the higher baud rates that it offers. I can transmit at 3...

RE: PC16550D UART with HC11E1

Thanks for that Jean-Luc We are currently using an 8MHz crystal as the main oscillator, and I have tested to a reasonable extent the ability for the uP to transm...

HELP INADDING AN INPUT PORT   [5 Articles]

HI ID LIKE TO KNOW IF THERES ANY ONE WITH INFO ON HOW TO ADD A 8 BIT INPUT PORT TO THE HC11E1. IM TRYING TO ADD A 8 BIT PORT SO THE HC11 WILL READ ALL 256 POSS...

RE: PC16550D UART with HC11E1

We are using the 16450 with a 68HC11F1, but in interrupt mode. The interrupt of the UART is connected to the INT line of the 68HC11 thru an open collector gate. ...

Serial update of software   [6 Articles]

Hi all I'm using a HC11E1 with a PSD834F2, and I use a JTAG to load the software when I make my updates (written in C and compiled using IAR-C). I'm about t...

HC11E1 - won't run in SC mode?   [15 Articles]

This is my first attempt at using a uP. I have a 68HC11E1 on a BOT1 board, settable for either BS or SC-mode. I wrote a small test program (loaded to $B600..) wh...

Re: MODA problems...again   [2 Articles]

Unfortunately, after about a month (on and off) of debugging my board, I have decided to scrap it and start over. I'm much too frustrated with it, and the last time I plugged it i...

help with the 68hc24 pru   [5 Articles]

hello everyone im trying to connect the 68hc24 pru to a hc11e1. i have made the follwoing connections and still cant get the pru to interface with the hc11. ...