Quad IIc MIDI Module



Live Board Map:
Move your mouse around over the image below to see info on the parts.



Optional BLM Connection:




Parts List:
MBHP Quad IIC_MIDI parts list
+-------+------------------------------------+-----+
| Loc.  | Description                        | Qty |
+-------+------------------------------------+-----+
| IC1x  | PIC16F88                           |  4  |
| IC1x  | IC-Socket for 16F88                |  4  |
| LEDx  | 3mm LED red                        |  4  |
| Q1x   | 20mhz crystal                      |  4  |
| C3    | 10µF Electrolytic capacitor        |  1  |
|C1x,C2x| 15pF Ceramic capacitor "33"        |  8  |
| C4x   | 100nF=.1µF Ceramic capacitor "104" |  4  |
| R2x   | 220Ω resistor		             |  4  |
| R9x	| 220Ω resistor		             |  4  |	
| R10x  | 220Ω resistor		             |  4  |
| --    | 5 pin DIN connector                |  4  |
| J4    | 1x4 pinheader                      |  1  |
|-------|---optional BLM connection parts----|-----|
| IC2   | 6N138 optocoupler                  |  1  |
| IC2   | IC-Socket for 6N138                |  1  |
| R6    | 1KΩ resistor		             |  1  |
| R7    | 4.7KΩ resistor                     |  1  |
|R8-R10 | 220Ω resistor		             |  3  |
| D1    | 1N4148 diode                       |  1  |
| --    | 8 pin DIN connector                |  1  |
| --    | Box Header 2x5                     |  1  |
+-------+------------------------------------+-----+


PCBs and Kits are available: Click to order.


PCB Quick View:  (click for larger version)


Schematic:  (click for PDF version)




Connections:
#
Detail Description                                                         
J4
IIc serial connection to the Core.
J5A
J5B
J5C
J5D
MIDI output. Can be loaded with PCB DIN jacks or 1x3 pinheader for panel mount DIN jacks.
*
I/O connection for BLM module. (optional)
*
I/O connection for BLM module. (optional)
*
Spare DIN 5 connector. (optional)


Specifications:
Size: 135mm x 46mm
Double sided PCB design.
Plated through holes.
Green LPI solder mask both sides.
Electroless nickle/immersion gold pad plating. (RoHS compliant)
White topside legend silkscreen.
No jumpers.
Electrically tested.
FR4 laminate.

Changelog:
First version!

For complete technical info and instructions see www.midibox.org