5-2E
Pin No. Pin name I/O Function
55 VCC - Power supply (+3.3 V)
56 CKSW1 - Not used
57 OCSW1 - Not used
58 CS0X O External ROM chip select signal output
59 CS1X O Extranal RAM chip select signal output
60 CS2X O AV DEC Chip select signal output
61 CS3X O AV DEC Chip select signal output
62 CS4X O ARP Chip select signal output
63 CS5X O SDSP Chip select signal output
64 VCCI - Power supply (+1.8 V)
65 CS6X - Not used
66 CS7X - Not used
67 XWAIT I Wait signal input
68 BGRNTX I Test terminal (fixed at “H”)
69 BRQ I Test terminal (fixed at “L”)
70 XRD O Read enable signal output
71 XWRH O High byte write enable signal output (16 bit and 8 bit)
72 XWRL O Lower order (progre only)
73 NMIX I Not used (fixed at “H”)
74 VCCI - Power supply (+1.8 V)
75 VSS - Ground
76 XFRRST I IF CON Reset signal input
77 CPUCK O CPU clock signal output
78 OCSW2 - Not used
79 XDACS O DAC (2ch) chip select signal output
80 TRM– - Not used
81 48/44.1K O PLL FS control signal output
82 WIDE O Laser diode mute signal output
83 MA_MUTE O Audio mute signal output
84 SRAMWE O SRAM write enable (progre only)
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 (+3.3 V)
111-118 HA8-HA15 O Address bus A08-A15
119 VSS - Ground
120 HA16 O Address bus A16
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