Sony HCD-FX900W Service Manual page 88

HCD-FX900W
Pin No. Pin Name
48 MSW
49 CKSW
50 OCSW
51 EEWP
52 DVDD18
53 to 59 HA 2 to 8
60, 61 HA18, 19
62 DVSS
63 APLLCAP
64 APLLVSS
65 VDD3
66 XWR
67 to 72 HA 16 to 11
73 DVDD3
74, 75 HIGHA 10, 9
76 HA20
77 XROMCS
78 HA1
79 XRD
80 DVDD3
81 to 84 HD 0 to 3
85 DVSS
86 to 88 HD 4 to 6
89 HA21
90 ALE
91 HD7
92 HA17
93 HA0
94 DVSS
95 UWR
96 URD
97 DVDD18
98 IFSDO
99 IFSCK
100 XIFCS
101 IFSDI
102 SCL
103 SDA
104 TRG-SW
105 XRST
106 RXD
107 TXD
108 DVDD3
109 ICE
110 XSYSRST
111 IR
112 XTXINT
113 DQMO
114 XIFSSY
88
I/O
O Mute signal control output
— Not used
I Servo 1
O WF signal output to EEPROM (IC103)
— Power supply (+1.8V from IC110)
O Address bus 2 to 8 output to FLASH ROM (IC102)
O Address bus 18, 19 output to FLASH ROM (IC102)
— Ground terminal
I APLL external capacitance connection
— Ground terminal
— Power supply (+3.3V from IC105)
O WE signal output to FLASH ROM (IC102)
O Address bus 16 to 11 output to FLASH ROM (IC102)
— Power supply (SW+3.3V)
O Address bus 10, 9 output to FLASH ROM (IC102)
O Address bus 20 output to FLASH ROM (IC102)
O CE signal output to FLASH ROM (IC102)
O Address bus 1 output to FLASH ROM (IC102)
O OE signal output to FLASH ROM (IC102)
— Power supply (SW+3.3V)
I Data bus 0 to 3 input from FLASH ROM (IC102)
— Ground terminal
I Data bus 4 to 6 input from FLASH ROM (IC102)
O Address bus 21 output to FLASH ROM (IC102)
O Address latch enable (not used)
I Data bus 7 input from FLASH ROM (IC102)
O Address bus 17 output to FLASH ROM (IC102)
O Address bus 0 output to FLASH ROM (IC102)
— Ground terminal
I System controller write strobe (not used)
I System controller read strobe (not used)
— Power supply (+1.8V from IC110)
O DVD SOD signal output 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 (IC103)
O SDA signal output to EEPROM (IC103)
O RS232 RXD signal output (not used)
O RS232 reset signal output
I RD232 RXD clock
O RD232 TXD data
— Power supply (SW+3.3V)
I ICE mode enable (not used)
I MTRST signal input from system controller (IC501)
I IR control signal input (not used)
I External interrupt0 (not used)
O DQM0 signal output to SD-RAM (IC104)
I DQM signal input
Description