Yamaha HTR-6230 Service Manual download pdf (Page 44)

RX-V365/HTR-6230

Pin No. Port Name Function Name I/O Detail of Function

121 A19 ADDR19 O SDRAM address bus 19

122 A18 ADDR18 O SDRAM address bus 18

123 A17 ADDR17 O SDRAM address bus 17

124 A16 ADDR16 O SDRAM address bus 16

125 A15 ADDR15 O SDRAM address bus 15

126 A14 ADDR14 O SDRAM address bus 14

127 A13 ADDR13 O SDRAM address bus 13

128 DGND GND – Ground of external

129 DGND GND – Ground of external

130 DGND GND – Ground of external

131 DGND GND – Ground of external

132 DGND GND – Ground of external

133 DGND GND – Ground of external

134 VDDEXT VDDEXT – I/O power supply (EX3.3)

135 A12 ADDR12 O SDRAM address bus 12

136 A11 ADDR11 O SDRAM address bus 11

137 A10 ADDR10 O SDRAM address bus 10

138 A09 ADDR9 O SDRAM address bus 09

139 A08 ADDR8 O SDRAM address bus 08

140 A07 ADDR7 O SDRAM address bus 07

141 A06 ADDR6 O SDRAM address bus 06

142 A05 ADDR5 O SDRAM address bus 05

143 VDDINT VDDINT – Power supply of microprocessor (BF1.2)

144 DGND GND – Ground of external

145 VDDEXT VDDEXT – I/O power supply (EX3.3)

146 A04 ADDR4 O SDRAM address bus 04

147 A03 ADDR3 O SDRAM address bus 03

148 A02 ADDR2 O SDRAM address bus 02

149 A01 ADDR1 O SDRAM address bus 01

150 SDQM1 /ABE1 O SDRAM byte enable/data mask 1

151 SDQM0 /ABE0 O SDRAM byte enable/data mask 0

152 /AWE /AWE O Write enable (Asynchronous)

153 /ARE /ARE O Read enable

154 /AOE /AOE O Output enable

155 DGND GND – Ground of external

156 VDDEXT VDDEXT – I/O power supply (EX3.3)

157 VDDINT VDDINT – Power supply of microprocessor (BF1.2)

158 /AMS3 /AMS3 O Bank select 3

159 /AMS2 /AMS2 O Bank select 2

160 /AMS1 /AMS1 O Bank select 1

161 /AMS0 /AMS0 O Bank select 0

162 ARDY ARDY I Hardware ready control

163 /BR /BR I (Pull-up)

164 SA10 SA10 O A10 pin

165 /SWE /SWE O Write enable (Synchronization)

166 /SCAS /SCAS O Sequence address strobe

167 /SRAS /SRAS O Line address strobe

168 VDDINT VDDINT – Power supply of microprocessor (BF1.2)

169 CLKOUT CLKOUT O Clock output

170 DGND GND – Ground of external

171 VDDEXT VDDEXT – I/O power supply (EX3.3)

172 /SMS /SMS O Bank select

173 SCKE SCKE O Clock enable

174 DGND GND – Ground of external

175 DGND GND – Ground of external

176 DGND GND – Ground of external

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Yamaha HTR-6230 Service Manual Page 44

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