Pioneer AVIC-505 Service Manual page 70

AVIC-505
Pin No. Pin Name
71 RXD2
72 RXD1
73 RXDIE
74 IROIE
75 IR_IN
76 DIRBCK
77 DIRDAT
78 DIRLRCK
79 DIRCK
80 GND
81 VDD
82 CDBCK
83 CDDAT
84 CDLRCK
85 CDC2P
86 IRGDC
87 WTGDCB
88 COS1
89 TEST1
90 VDD(RTC)
91 XTAL1(RTC)
92 EXTAL1(RTC)
93 CS2(RTC)
94 BUNRI
95 GND(RTC)
96 COSO
97 COBCK
98 COLRCK
99 COSELR
100 VDD
101 GND
102 COMCLK
103 CSCO
104 CSGDCM
105 CSGDCR
106 GWE1
107 GWE3
108 GND
109 WERAM
110 LBRAM
111 UBRAM
112 CSRAM
113 CSROM
114 GND
115 CSEXT
116 FSC
117 VCK
118 CDCLK
119 SHCK
120 VDD
121,122 GND
123 RESETB
124 MSTRSTB
125 VDD
126 EXTAL4
127 XTAL4
128 GND
129 SELRAM
70
I/O Function and Operation
I CD-ROM drive serial input
I Serial input for GPS almanac examination
I Not used PD:connect to L
I Not used PD:connect to H
I Remote controller signal input
I CD-ROM changer bit clock input Not used PD:connect to L
I CD-ROM changer data input Not used PD:connect to L
I CD-ROM changer LR clock input Not used PD:connect to L
I 33.8688MHz external input Not used PD:connect to L
GND
Power supply
I CD-ROM drive bit clock input
I CD-ROM drive LR clock input
I CD-ROM drive data input
I CD-ROM drive error signal input Not used PD:connect to L
I GDC I/F
I
I Serial data input from CODEC
I Test pin (TEST DECODE input 1) Not used PD:connect to L
I 32.768KHz input
O 32.768KHz output
I Real time chip select control input
I Test Pin Not used PD:connect to L
O Serial data output to CODEC
I/O Bit clock input from CODEC
I/O LR clock input from CODEC
O Register set output from CODEC
L:address register H:volume set register
Power supply
GND
O Main clock output to CODEC
O CODEC chip select signal (active low)
O
O
O Flash memory write enable output
O Not used
GND
O SRAM write control output
O SRAM byte control output
O SRAM byte control output
O Not used
O Not used
GND
O External extend Not used
O 3.58MHz Output to NTSC encoder
O 9.7MHz GDC description clock output
O 33.8688MHz External output Not used
O 7.12MHz EXTAL CUP Not used
Power supply
GND
I System reset (active low)
I RESET input for GPS TEST Not used PU:connect to H
Power supply
O 42.95454MHz (12fsc:color sub-carrier) output
I 42.95454MHz (12fsc:color sub-carrier) input
GND
I Logical select of CSRAM Not used PD:connect to L