Sharp GX15, Service Manual

Page: 97 / 122

GX15
6 – 9
CONFIDENTIAL
110 VEXT Input System interface power supply 2.4 - 3.3 V (VINT)
111 GND – Earth
112 GPIO_4 Output UART_CTS for Bluetooth module
113 GPIO_2 Output USB charge current control
114 GPIO_3 Input UART_RTS for Bluetooth module
115 DATA[2] Input/Output Processor data bus 2
116 DATA[0] Input/Output Processor data bus 0
117 DATA[5] Input/Output Processor data bus 5
118 DATA[1] Input/Output Processor data bus 1
119 DATA[3] Input/Output Processor data bus 3
120 VCC Input Core power supply 1.7 - 1.9 V (VCORE)
121 DMINUS Input USB D-
122 GPIO_18 Output JTAG TCK
123 GND – Earth
124 GPIO_1 Input IrDA receive data
125 USC[5] Output USC pin (Ginie_TX)
126 GPIO_0 Output IrDA transmit data
127 DATA[4] Input/Output Processor data bus 4
128 VMEM Input Memory power supply 2.7 - 3.3 V (VMEM)
129 GND – Earth
130 VCC Input Core power supply 1.7 - 1.9 V (VCORE)
131 USC[6] Input USC pin (RTC monitor/Ginie_RX)
132 VCC Input Core power supply 1.7 - 1.9 V (VCORE)
133 USC[2] Input USC pin (TXD)
134 USC[4] Output Reserve
135 DATA[7] Input/Output Processor data bus 7
136 DATA[6] Input/Output Processor data bus 6
137 GND – Earth
138 DATA[9] Input/Output Processor data bus 9
139 DATA[13] Input/Output Processor data bus 13
140 NROMCS1 Output Chip select for flash memory 1
141 GPIO_42 Output Chip select for LCD module
142 CLKIN Input 13 MHz clock input
143 VSIM Input SIM power supply 1.7 - 3.3 V (VSIM)
144 GND – Earth
145 USC[3] Input Pull up to VEXT
146 USC[1] Input USC pin (RXD)
147 GND – Earth
148 USC[0] Output USC pin (Ginie_TX)
149 DATA[10] Input/Output Processor data bus 10
150 DATA[8] Input/Output Processor data bus 8
151 NRD Output Processor read strobe
152 DATA[14] Input/Output Processor data bus 14
153 GND – Earth
154 NRAMCS2 Output Chip select for camera controller
155 GPIO_44 Input Wakeup mode select (Pull up to VEXT)
156 VSSUSB – USB earth
157 GPIO_47 Output Camera controller reset
158 GPIO_20 Output JTAG TDI
159 CLKON Output 13 MHz oscillator power control signal (VCXOEN)
160 VCC Input Core power supply 1.7 - 1.9 V (VCORE)
161 GPO_18 Output SYNTH enable for RF (SYNTHEN)
162 GPO_21 Output SYNTH clock output for RF (SYNTHCLK)
163 DATA[12] Input/Output Processor data bus 12
164 DATA[11] Input/Output Processor data bus 11
165 NWE Output Processor write strobe
166 VEXT Input System interface power supply 2.4 - 3.3 V (VINT)
167 GPO_11 Output Band select 4 for RF (BS4)
168 GPO_20 Output SYNTH data output for RF (SYNTHDATA)
169 DATA[15] Input/Output Processor data bus 15
170 VMEM Input Memory power supply 2.7 - 3.3 V (VMEM)
171 NADV Output Hardware version select 1
172 NGPCS1 Output Chip select for flash memory 2
173 VMEM Input Memory power supply 2.7 - 3.3 V (VMEM)
Pin No. Terminal name Input/Output Description of terminal