TB9100 Reciter Service Manual Appendices 111© Tait Electronics Limited January 20068.4 Appendix D – Processor Port Assignments8.4.1 MPC859T Port AssignmentsNote Many of the pins on the MPC859T have multiple functions.Where a particular pin function is used in the ASIF application,this is indicated in bold text; unused functions or unused pins arein plain text. This table is sorted by pin name order; where a pinhas multiple function names, these are listed in the order shownon the schematic. This table also lists the UTOPIA interface pinnames, but, for clarity, these are not shown on the schematic.Table 8.10 MPC859T Port AssignmentsPin Name Pin No. Type FunctionA[0] B19 I/O Address bus 0 - msbA[1] B18 I/O Address bus 1A[2] A18 I/O Address bus 2A[3] C16 I/O Address bus 3A[4] B17 I/O Address bus 4A[5] A17 I/O Address bus 5A[6] B16 I/O Address bus 6A[7] A16 I/O Address bus 7A[8] D15 I/O Address bus 8A[9] C15 I/O Address bus 9A[10] B15 I/O Address bus10A[11] A15 I/O Address bus 11A[12] C14 I/O Address bus 12A[13] B14 I/O Address bus 13A[14] A14 I/O Address bus 14A[15] D12 I/O Address bus 15A[16] C13 I/O Address bus 16A[17] B13 I/O Address bus 17A[18] D9 I/O Address bus 18A[19] D11 I/O Address bus 19A[20] C12 I/O Address bus 20A[21] B12 I/O Address bus 21A[22] B10 I/O Address bus 22A[23] B11 I/O Address bus 23