Aiwa XD-PG700, Service Manual

Page: 58 / 78

Pin No. Pin Name I/O Description
-58-
IC DESCRIPTION -5/5 (NDV8601 -5/7)
157 AD[15] B µP multiplexed address/data bus 15
158 AD[14] B µP multiplexed address/data bus 14
159 VDD P Core Power=1.8V
160 SCLK O External bus clock used for programmable host bus peripherals
161 ACK B Programmable WAIT-/ACK-/RDY- control
162 VSSIO P I/O Pad ground
163 AD[13] B µP multiplexed address/data bus 13
164 AD[12] B µP multiplexed address/data bus 12
165 AD[11] B µP multiplexed address/data bus 11
166 AD[10] B µP multiplexed address/data bus 10
167 AD[9] B µP multiplexed address/data bus 9
168 AD[8] B µP multiplexed address/data bus 8
169 VDDIO P I/O Pad power=3.3V
170 PWE[1] B
Byte write enable for FLASH, Electrically Erasable Programmable Read-Only Memory (EEPROM),
static random access memory (SRAM) or peripherals
171 VSS P Core and Ring Ground
172 AD[7] B µP multiplexed address/data bus 7
173 AD[6] B µP multiplexed address/data bus 6
174 AD[5] B µP multiplexed address/data bus 5
175 AD[4] B µP multiplexed address/data bus 4
176 AD[3] B µP multiplexed address/data bus 3
177 VSSIO P I/O Pad ground
178 AD[2] B µP multiplexed address/data bus 2
179 AD[1] B µP multiplexed address/data bus 1
180 AD[0] B µP multiplexed address/data bus 0
181 VDDIO P I/O Pad power=3.3V
182 PWE[0] B
Byte write enable for FLASH, Electrically Erasable Programmable Read-Only Memory (EEPROM),
static random access memory (SRAM) or peripherals
183 ALE B ALE
184 LA[0] B Latched Address 0
185 LA[1] B Latched Address 1
186 LA[2] B Latched Address 2
187 LA[3] B Latched Address 3
188 VSSIO P I/O Pad ground
189 RD B Read
190 LHLDA O Bus Hold Acknowledge in slave mode
191 LHLD I Bus Hold Request from external master in slave mode
192 VDD P Core Power=1.8V
193 PCS0 O
Peripheral chip select 0, generally used for enabling the program store read-only memory (ROM)/
FLASH
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