Pin No. Pin name I/O Function
71 CPUCK O CPU clock signal output
72 NMIX – Not used (fixed at “H”)
73 HSTX – Not used (fixed at “H”)
74 FRRSTIN I Reset signal input from IF CON
75 VSS – Ground
76 MD0 I Input of mode select 0 (fixed at “1”)
77 MD1 – Ground
78 MD2 – Ground
79 XWAIT I Wait signal input
80 BGRNTX – Test terminal (fixed at “H”)
81 BRQ – Test terminal (fixed at “L”)
82 RD O Read enable signal output
83 WRH O High byte write enable signal output (16 bit and 8 bit)
84 NC – Not used
85–92 HD0-HD7 I/O Data bus D0-D7 (16 bit only)
93–100 HD8-HD15 I/O Data bus D8-D15 (16 bit) , D0-D7 (8 bit)
101 VSS – Ground
102–109 HA0-HA7 O Address bus A00-A07
110 VCC – Power supply
111–118 HA8-HA15 O Address bus A08-A15
119 VSS – Ground
120 HA16 O Address bus A16
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