RTX-02A(I) 8255 I/O CARD ( 2 x 8255, 1 x 8253 )

RTX-02A(II) 8255 I/O CARD ( 3 x 8255, 1 x 8253 )

1) FEATURES

* 3 STANDARD PPI DIGITAL CONTROLLERS (OR ONE OPTIONAL).

* 3 x 8255 : 72 PROGRAMMABLE I/O CONTROL LINES.

* 1 x 8253 : 3 INDEPENDENT 16 BIT COUNTER, EACH WITH A COUNT RATE OF

UP TO 10 MHz.

* INTERNAL/EXTERNAL CLOCK SELECT BY JUMPER.

* 2 INTERNAL CLOCK SELECT BY JUMPER.

* BOARD'S ADDRESS CAN BE SELECTED SIXTEEN SETS:

$2OO - $2OF, $21O - $21F, $24O - $24F, $25O - $25F, $28O - $28F,

$29O - $29F, $2CO - $2CF, $2DO - $2DF, $3OO - $3OF, $31O - $31F,

$34O - $34F, $35O - $35F, $38O - $38F, $39O - $39F, $3CO - $3CF,

$3DO - $3DF.

* CLEAR PIN'S SIGNAL ON BOARD.

* 24 LEDS DISPLAY FOR EACH PPI PORT A.

* ALL PORTS CAN EN/DISABLE BY JUMPER.

* CLEAR PIN'S SIGNAL ON BOARD.

* " CE " APPROVAL.

Start: 1/18/2002 Update: 09.17.2009