Difference between revisions of "Z80-MBC2 Build Notes"
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== Programming THE ATMEGA32 == | == Programming THE ATMEGA32 == | ||
| + | * Was able to use [http://land-boards.com/blwiki/index.php?title=ATProgHead ATProgHead] running Arduino as ISP to burn bootloader but not program the code | ||
| + | * Could not use any of my FTDI cards fir serial programming since the have RTS/CTS but not DTR | ||
| + | ** Most programmer setups in Arduino work just fine for serial, but not the | ||
* Used [https://www.aliexpress.com/af/tl866ii-plus.html?d=y&origin=n&SearchText=tl866ii+plus&catId=0&initiative_id=AS_20210723071810 TL866ii] to program ATMEGA32 fuses | * Used [https://www.aliexpress.com/af/tl866ii-plus.html?d=y&origin=n&SearchText=tl866ii+plus&catId=0&initiative_id=AS_20210723071810 TL866ii] to program ATMEGA32 fuses | ||
** Reference: [https://binaryupdates.com/setting-avr-fuse-bits/ Setting AVR Fuse Bits] | ** Reference: [https://binaryupdates.com/setting-avr-fuse-bits/ Setting AVR Fuse Bits] | ||
Revision as of 15:27, 23 July 2021
- ebay - bare PCB $8
- Arrived in a couple of days
Build Notes
- Used mostly junk box parts
- Purchased alternate SRAM
- Forgot to buy SIP resistors - made my own
- Ref des are not top-bottom or left-right
- PDF Assembly drawing text is not searchable
- Struggled to find some of the r-packs
- KiCad gerbers
Programming THE ATMEGA32
- Was able to use ATProgHead running Arduino as ISP to burn bootloader but not program the code
- Could not use any of my FTDI cards fir serial programming since the have RTS/CTS but not DTR
- Most programmer setups in Arduino work just fine for serial, but not the
- Used TL866ii to program ATMEGA32 fuses
- Reference: Setting AVR Fuse Bits
- If you use the programmer defaults it sets the clock to 1 MHz which gives a serial port rate of 600 baud (told me I needed to fix the fuses).
