Pin No. Pin name I/O Function
71 XWRH O High byte write enable signal output (16 bit and 8 bit)
72 XWRL - Not used
73 NMIX - Not used (fixed at “H”)
74 HSTX - Not used (fixed at “H”)
75 VSS - Ground
76 XFRRST I Reset signal input from IF CON
77 CPUCK O CPU clock signal output
78 OCSW2 - Not used
79 XDACS O Chip select signal output to DAC (2ch, 6ch)
80 VESCS/X39CS O Chip select signal output to DSP
81 48/44.1K O PLL FS control signal output
82 WIDE O WIDE select signal output
83 MAMUTE O Audio mute signal output
84 XLDON O LD control signal output
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
To Next Page
Loading...
