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)
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