Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
boards:ecb:protoboard_iii:protoboard_iii [2021/03/20 01:32]
b1ackmai1er [ProtoBoard III]
boards:ecb:protoboard_iii:protoboard_iii [2021/03/21 01:28] (current)
b1ackmai1er [Version]
Line 6: Line 6:
  
   * Flexible 6-bit I/O address range selection   * Flexible 6-bit I/O address range selection
-  ​* Vertical ECB bus connector for standalone operation with a SBC +  * Pin headers for buffered ​address, data and control ​signals. 
-  ​* Pin headers for address, data and control signals.+  * ECB bus pinout area for access to other ECB signals.
  
 {{https://​www.retrobrewcomputers.org/​lib/​plugins/​ckgedit/​fckeditor/​userfiles/​image/​boards/​ecb/​protoboard_iii/​protoiii-17-10-05_built.jpg?​nolink&​640x385|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_boards_ecb_protoboard_iii_protoiii-17-10-05_built.jpg}} {{https://​www.retrobrewcomputers.org/​lib/​plugins/​ckgedit/​fckeditor/​userfiles/​image/​boards/​ecb/​protoboard_iii/​protoiii-17-10-05_built.jpg?​nolink&​640x385|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_boards_ecb_protoboard_iii_protoiii-17-10-05_built.jpg}}
Line 14: Line 14:
  
 <font 16px/​inherit;;​inherit;;​inherit>​The board may be constructed with either the 74LS682 (preferred),​ 74LS684, or 74LS688 chip. The last two require a strip of 22K bussed resistors; the first does not.</​font>​ <font 16px/​inherit;;​inherit;;​inherit>​The board may be constructed with either the 74LS682 (preferred),​ 74LS684, or 74LS688 chip. The last two require a strip of 22K bussed resistors; the first does not.</​font>​
 +
 +<font 16px/​inherit;;​inherit;;​inherit>​Note that the footprint for the second ECB connector is for access to ECB signal lines and is not suitable for connect to another ECB board through a female vertical connector.</​font>​
  
  
Line 21: Line 23:
  
 Gerbers are here : {{:​boards:​ecb:​protoboard_iii:​ecb_protoboard_17-10-05_mfg.zip|:​boards:​ecb:​protoboard_iii:​ecb_protoboard_17-10-05_mfg.zip}} Gerbers are here : {{:​boards:​ecb:​protoboard_iii:​ecb_protoboard_17-10-05_mfg.zip|:​boards:​ecb:​protoboard_iii:​ecb_protoboard_17-10-05_mfg.zip}}
 +
 +Kicad file are here : {{:​boards:​ecb:​protoboard_iii:​ecb_protoboard_with_io_decode_-_17-10-05.zip|:​boards:​ecb:​protoboard_iii:​ecb_protoboard_with_io_decode_-_17-10-05.zip}}
  
 Please note errata for previous version [[:​boards:​ecb:​protoboard_iii:​errata|here.]] Please note errata for previous version [[:​boards:​ecb:​protoboard_iii:​errata|here.]]
  
-Respin consideration:​ Add +5VDC barrel jack connector, add mounting holes, ​change reset jumper to solder pad.+Respin consideration:​ Add +5VDC barrel jack connector, add mounting holes, ​add warning for installing ECB connect on ECB2.
  
  
boards/ecb/protoboard_iii/protoboard_iii.1616218366.txt.gz · Last modified: 2021/03/20 01:32 by b1ackmai1er
Driven by DokuWiki Recent changes RSS feed Valid CSS Valid XHTML 1.0