Read Sony DVP-NC85H / HT-7000DH Service Manual online
5-3
DVP-NC85H
Pin No.
Pin name
Type
Function
100
xIFCS
Default High
Chip select for Ext.CPU (Low Active, H/W method)
101
IFSDI
Input SMT
Ext. CPU Serial data Input (H/W method)
Output PU,SMT
102
SCL
Default High
IIC clock pin
Output PU,SMT
103
SDA
Default High
IIC data pin
Output PU,SMT
104
HDMI-SCL
Fixed Low
HDMI-DDC IIC Clock Pin
105
HDMI-SPA
Fixed Low
HDMI-DDC Data Pin
106
RXD
Input PU,SMT
Hardwired RS232C RXD
Output PU,SMT
107
TXD
Default High
Hardwired RS232C TXD
108
DVDD3
Power
3.3V power pin for internal digital circuitry
109
ICE
Output PU,SMT
Ice mode enable
110
xSYSRST
Input PU,SMT
MT1389 reset input, active Low
111
NC
Not Used
112
xTXINT
PU,SMT
8032 external interrupt 0 (for MT1392)
113
DQM0
Output
Mask for DRAM input/output byte 0
Output Default
114
IFBSY
Input
Ext. CPU Ready/Busy interrupt signal (H: Busy, L: ready)
115
RD7
Output
DRAM data bit7
116
DVSS
Ground
Ground pin for internal digital circuitry
117
RD6
Output
DRAM data bit6
118
RD5
Output
DRAM data bit5
119
DVSS
Ground
Ground pin for internal digital circuitry
120
RD4
Output
DRAM data bit4
121
RD3
Output
DRAM data bti3
122
DVDD18
Power
1.8V power pin for internal digital circuitry
123
RD2
Output
DRAM data bit2
124
RD1
Output
DRAM data bit1
125
RD0
Output
DRAM data bit0
126
RD15
Output
DRAM data bit15
127
DVDD3
Power
3.3V power pin for internal digital circuitry
128
RD14
Output
DRAM data bit14
129
RD13
Output
DRAM data bit13
130
RD12
Output
DRAM data bit12
131
RD11
Output
DRAM data bit11
132
RD10
Output
DRAM data bit10
133
RD9
Output
DRAM data bit9
134
DVSS
Ground
Ground pin for internal circuitry
135
RD8
Output
DRAM data bit8
Output Default
136
LIMITSW
Input
Inlimit SW sensor input signal
137
DQM1
Output
Mask for DRAM input/output byte 1
138
RWE#
Output
DRAM write enable
139
CAS#
Output
DRAM columm address strobe
140
RAS#
Output
DRAM row address strobe
141
DVDD3
Power
3.3V power pin for internal digital circuitry
142
RCS#
Output
DRAM chip select
143
BA0
Output
DRAM bank address 0
144
DVSS
Ground
Ground pin for internal digital circuitry
145
BA1
Output
DRAM bank address 1
146
RA10
Output
DRAM address bit10
147
RA0
Output
DRAM address bit0
148
DVSS
Ground
Ground pin for internal digital circuitry
149
RA1
Output
DRAM address bit1
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