Pioneer DV-2850-S, Руководство по обслуживанию

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DV-2850-S
71
5 6 7 8
5 6
7
8
C
D
F
A
B
E
No. Pin Name I/O Pin Function No. Pin Name I/O Pin Function
91 AD7 I Microcontroller address/data 7
92 A17 O Flash address 17
93 IOA0 I/O Microcontroller address 0/IO
94 DVSS – 3.3V Ground pin for internal digital circuitry
137 DQM1 I/O Data mask 1
95 UWR# I Microcontroller write strobe, active low
138 RWE# O DRAM Write enable, active low
96 URD# I Microcontroller read strobe, active low
139 CAS# O DRAM column address strobe, active low
97 DVDD18 – 1.8V power pin for internal digital circuitry
140 RAS# O DRAM row address strobe, active low
98 UP1_2 I/O Microcontroller port 1-2
141 DVDD3 – 3.3V power pin for internal digital circuitry
99 UP1_3 I/O Microcontroller port 1-3
142 RCS# O DRAM chip select, active low
100 UP1_4 I/O Microcontroller port 1-4
143 BA0 I/O DRAM bank address 0
101 UP1_5 I/O Microcontroller port 1-5
144 DVSS – 1.8V Ground pin for internal digital circuitry
102 UP1_6 I/O
Microcontroller port 1-6
I
2
C clock pin
145 BA1 I/O DRAM bank address 1
146 RA10 I/O DRAM address 10
103 UP1_7 I/O Microcontroller port 1-7
I
2
C data pin
147 RA0 I/O DRAM address 0
148 DVSS – 3.3V Ground pin for internal digital circuitry
104 UP3_0 I/O Microcontroller port 3-0
8032 RS232 RXD
149 RA1 I/O DRAM address 1
150 RA2 I/O DRAM address 2
105 UP3_1 I/O Microcontroller port 3-1
8032 RS232 TXD
106 UP3_4 I/O
Microcontroller port 3-4
Hardwired RD232 RXD
I
2
C clock pin
107 UP3_5 I/O
Microcontroller port 3-5
Hardwired RD232 TXD
I
2
C data pin
108 DVDD3 – 3.3V power pin for internal digital circuitry
109 ICE I Microcontroller ICE mode enable
110 PRST# I Power on reset input, active low
111 IR I IR control signal input
112 INT0# I/O
Microcontroller external interrupt 0, active low
113 DQM0 I/O Data mask 0
114 DQS0 I/O GPIO
115 RD7 I/O
DRAM data 7
116 DVSS – 1.8V Ground pin for internal digital circuitry
117 RD6 I/O DRAM data 6
118 RD5 I/O DRAM data 5
119 DVSS –
3.3V Ground pin for internal digital circuitry
120 RD4 I/O DRAM data 4
121 RD3 I/O DRAM data 3
122 DVDD18 –
1.8V power pin for internal digital circuitry
123 RD2 I/O DRAM data 2
124 RD1 I/O DRAM data 1
125 RD0 I/O DRAM data 0
126 RD15 I/O
DRAM data 15
127 DVDD3 – 3.3V power pin for internal digital circuitry
128 RD14 I/O DRAM data 14
129 RD13 I/O DRAM data 13
152 DVDD18 –
1.8V power pin for internal digital circuitry
153 NC – –
154 NC – –
155 DVDD3 –
3.3V power pin for internal digital circuitry
156 RCLK I/O Dram clock
157 CKE O DRAM clock enable
158 RA11 I/O DRAM address bit 11
159 RA9 I/O DRAM address 9
160 RA8 I/O DRAM address 8
161 DVSS –
3.3V Ground pin for internal digital circuitry
162 RA7 I/O DRAM address 7
163 DVSS – 1.8V Ground pin for internal digital circuitry
164 RA6 I/O
DRAM address 6
165 RA5 I/O DRAM address 5
166 RA4 I/O DRAM address 4
167 DVDD3 – 3.3V power pin for internal digital circuitry
168 RD31 I/O
GPIO
169 RD30 I/O GPIO
170 RD29 I/O GPIO
171 NC –
–
172 NC – –
173 DVDD18 – 1.8V power pin for internal digital circuitry
174 RD26 I/O GPIO
175 NC –
–
176 RD25 I/O GPIO
177 RD24 I/O GPIO
178 DQM3 I/O GPIO
151 RA3 I/O DRAM address 3
130 RD12 I/O DRAM data 12
131 RD11 I/O DRAM data 11
132 RD10 I/O DRAM data 10
133 RD9 I/O DRAM data 9
134 DVSS – 3.3V Ground pin for internal digital circuitry
135 RD8 I/O DRAM data 8
136 DQS1 I/O GPIO
179 DQM2 I/O GPIO
180 NC – –
181 NC – –
182 DVDD3 – 3.3V power pin for internal digital circuitry
183 NC – –
184 NC – –
185 NC – –
186 NC – –
187 NC – –
188 NC – –