82C55A interface equivalent, cmos programmable peripheral interface.
* Pb-Free Plus Anneal Available (RoHS Compliant) (See Ordering Info)
* Pin Compatible with NMOS 8255A
* 24 Programmable I/O Pins
* Fully TTL Compatible
SYMBOL
TYPE
VCC GND
D0-D7 RESET
I/O I
CS I
RD WR A0-A1
I I I
PA0-PA7 PB0-PB7 PC0-PC7
I/O I/O I/O
DESCRIPTION
VCC: The +5V power supply pin. A 0.1F capacitor between VCC and GND is recommended for decoupling. GROUND
DATA BUS: The Data Bus .
Image gallery
TAGS
Download (Size : 698.59KB)