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, . .commodore
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MPS
65C23
TRI-PORT INTERFACE
[___6_5C_2_3_T_R_I_·P_O_R_T_I_N_T_ER_F_A_C_E____~
I CONCEPT ..• The 65C23 TRI-PORT Interface (TPI) is designed to simplify the implementation of complex I/O operations in microcomputer systems. It has three dedicated 8-bit I/O ports which provide 24 individually programmable I/O lines.