5-2 E
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
Address bus A08-A15
Address bus A16
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