Sony HCD-DX315 Service Manual page 64

HCD-DX315
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Pin No. Pin Name
48 DSEL
49 WIDE
50 MSW
51 MAMUTE
52 DVDD18
53 to 58 IOA 2 to 7
59 HIGHA0
60, 61 IOA18, 19
62 DVSS
63 APLLCAP
64 APLLVSS
65 VDD3
66 I OWR
67 A16
68 to 72 HIGHA 7 to 3
73 DVDD3
74, 75 HIGHA 2, 1
76 IOA20
77 IOCS
78 IOA1
79 IOOE
TE
80 L 13942296513 DVDD3
81 to 84 AD 0 to 3
85 DVSS
86 to 88 AD 4 to 6
89 IOA21
90 ALE
91 AD7
92 A17
93 IOA0
94 DVSS
95 UWA
96 URD
97 DVDD18
98 IFSDO
99 IFCK
100 XIFCS
101 IFSDI
102 SCL
103 SDA
104 TRG-SW
105 IFBSY
106 RXD
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107 TXD
108 DVDD3
109 ICE
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110 PRST
111 IR
112 INT0
64
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I/O
— Not used
I Wide switch signal input terminal
I Mute signal control input
O MAMUTE signal output to system controller (IC501) (not used)
— Power supply (+1.8V from IC1109)
O Address bus 2 to 7 output to PROM (IC1102)
O Address bus 8 output to PROM (IC1102)
O Address bus 18, 19 output to PROM (IC1102)
— Ground terminal
I APLL external capacitance connection
— Ground terminal
— Power supply (+3.3V from IC1105)
O WE signal output to PROM (IC1102)
O Address bus 16 output to PROM (IC1102)
O Address bus 15 to 11 output to PROM (IC1102)
— Power supply (SW+3.3V)
O Address bus 10, 9 output to PROM (IC1102)
O Address bus 20 output to PROM (IC1102)
O CE signal output to PROM (IC1102)
O Address bus 1 output to PROM (IC1102)
O OE signal output to PROM (IC1102)
— Power supply (SW+3.3V)
I Data bus 0 to 3 input from PROM (IC1102)
— Ground terminal
I Data bus 4 to 6 input from PROM (IC1102)
O Address bus 21 output to PROM (IC1102)
O Address latch enable (not used)
I Data bus 7 input from PROM (IC1102)
O Address bus 17 output to PROM (IC1102)
O Address bus 0 output to PROM (IC1102)
— Ground terminal
I System controller write strobe (not used)
I System controller read strobe (not used)
— Power supply (+1.8V from IC1109)
O DVD SOD signal input to system controller (IC501)
O DVD SCO signal output to system controller (IC501)
I DVD XIFCS signal input from system controller (IC501)
I VIFBUSY signal input from system controller (IC501)
O SCL signal output to EEPROM (IC1103)
O SDA signal output to EEPROM (IC1103)
O RS232 RXD signal output (not used)
I RS232 TXD signal input from system controller (IC501)
I RD232 RXD clock
I RD232 TXD data
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— Power supply (SW+3.3V)
y
I ICE mode enable (not used)
i
I MTRST signal input from system controller (IC501)
I IR control signal input (not used)
I External interrupt0 (not used)
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Description
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