68
Pin No.
Pin Name
I/O
Function
51
A08
O
Address bus A8
52
A09
O
Address bus A9
53
A10
O
Address bus A10
54
A11
O
Address bus A11
55
A12
O
Address bus A12
56
A13
O
Address bus A13
57
A14
O
Address bus A14
58
A15
O
Address bus A15
59
A16/P60
O
Address bus A16
60
A17/P61
O
Address bus A17
61
A18/P62
O
Address bus A18
62
A19/P63
O
Address bus A19
63
A20/P64
O
Address bus A20
64
A21/P65
O
Address bus A21
65
GND
–
Ground
66
A22/P66
O
PLL IC control output “H” : DOUBLE
67
A23/P67
I
DIAG mode signal input “L” : DIAG
68
A24/EOP0
I
Not used
69
AVCC
–
Power supply
70
AVRH
–
Reference power supply (+3.3 V)
71
AVSS/AVRL
–
Ground
72
AN0
I
Set of mode 0
73
AN1
I
Set of mode 1
74
AN2
I
Set of mode 2
75
AN3
I
Set of mode 3 (fixed at “H”)
76
SI0/TRG0/PF0
I
Serial data input from IF CON and EEPROM
77
SI1/TRG1/PF1
O
Serial data output to IF CON and EEPROM
78
SC0/PF2/OCPA3
O
Serial clock output to IF CON and EEPROM
79
SI1/TRG2/PF3
I
Serial bus 1 (for data input)
80
SO1/TRG3/PF4
O
Serial bus 1 (for data output)
81
SI2/PF5/OCPA1
I
Serial bus 2 (for data input)
82
SO2/PF6/OCPA2
O
Serial bus 2 (for data output)
83
PF7/OCPA0/ATG
O
Reset signal output
84
DACK1/PE7
O
Output of DMA-ACK 0 to AV DEC
85
DACK0/PE0
O
Output of DMA-ACK 1 to AV DEC
86
DREQ1/PE5
I
Input of DMA-REQ 0 from AV DEC
87
DREQ0/PE4
I
Input of DMA-REQ 1 from AV DEC
88
INT3/PE3/SC2
I
Input of interrupt from HGA
89
INT2/PE2/SC1
O
Serial clock output
90
VSS
–
Ground
91
X1
O
Clock output (12.5 MHz)
92
X0
I
Clock input (12.5 MHz)
93
VCC5
–
Power supply
94
INT1/PE1
I
Input of interrupt ARP and SERVO DSP
95
INT0/PE0
I
Input of interrupt from AV DEC
96
RAS0/PB0
I
Rear panel lime input select (“H” : DISC “L” : EXT)
97
CS0L/PB1
O
Chip select signal to IF CON
98
CS0H/PB2
O
Chip select signal to DAC (Lt and Rt)
99
DW0/PB3
O
Chip select signal to DAC (L and R)
100
RAS1/PB4
O
DVD/CD select (“H” : 44.1 kHz “L” : 48 kHz)
