Eblocks DB9 connectors

[scnickolas]

Hello, I was wondering the pinout for the db 9 connectors on the E-blocks PICmicro USB Multiprogrammer are. Im planning on using it to control a project of mine and need to know the pinout. Is pin 9 +volts? and pin 1 ground? if so which pins correspond to which bits in ports A, B, C, D ? any help will be appreciated, thank you.

Nickolas

[Sean]

All E-blocks port connectors have the same pin configuration:

Port pin -> D9 pin
0 ----------> 1
1 ----------> 2
2 ----------> 3
3 ----------> 4
4 ----------> 5
5 ---------->6
6 ---------->7
7 ---------->8

0V is always connected to pin 9 of the D9 connector.

[scnickolas]

Thanks I think I understand, so which pin is ground?

Nickolas

[Benj]

Hello

The information you are looking for can be found in the E-Blocks users guide available from here.
http://www.matrixmultimedia.com/eblocks/index.php

To confirm pin 9 is ground.

[KeithSloan]

Out of interest why did Matrix Multimedia not make Pin 9 Vcc and the shell Gnd. Would have saved running all those 5V wires to those E-Block that need a supply.

[Sean]

The GND connection is required on all E-Blocks boards as a signal reference. A positive supply is required for most boards, but is not always 5V. Wiring the positive supply separately allows the appropriate voltage to be connected.

[Benj]

Also the outer shell is not always connected across eg when using IDC cables.