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6525 Dataheets PDF



Part Number 6525
Manufacturers Commodore
Logo Commodore
Description TRI-PORT INTERFACE
Datasheet 6525 Datasheet6525 Datasheet (PDF)

v -'-'commodore aamicanduct;or group ~~@@ 6525 TRI·PORT INTERFACE MPS 6525 TRI-PORT INTERFACE CONCEPT ... The 6525 TRI·PORT Interface (TPI) is designed to simplify the implementation of complex I/O operations in microcomputer systems. It combines two dedicated a·bit 110 ports with a third a-bit port programmable for either normal 110 operation or priority interrupt/handshaking control. Depending on the mode selected, the 6525 can provide 24 individually programmable 110 lines or 16 110 lines, .

  6525   6525



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v -'-'commodore aamicanduct;or group ~~@@ 6525 TRI·PORT INTERFACE MPS 6525 TRI-PORT INTERFACE CONCEPT ... The 6525 TRI·PORT Interface (TPI) is designed to simplify the implementation of complex I/O operations in microcomputer systems. It combines two dedicated a·bit 110 ports with a third a-bit port programmable for either normal 110 operation or priority interrupt/handshaking control. Depending on the mode selected, the 6525 can provide 24 individually programmable 110 lines or 16 110 lines, 2 handshake lines and 5 priority interrupt inputs. FEATURES: • 24 individually programmable 110 lines or 16 110 lines, 2 handshake lines and 5 interrupt inputs. • Priority or non-priority interrupts • Automatic handshaking • Completely static operation • Two TTL Drive Capabi Iity • a directly addressable registers • 1 MHz, 2MHz and 3MHz operation 6525 REGISTERS ·000 001 010 011 100 101 110 111 RO PRA - Port Register A R1 PRB - Port Register B R2 PRC - Port Register C R3 DDR.


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