Panasonic KX-HCM280, Service Manual

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Pin No. Pin Name I/O Description
169 SCK2 O Unassigned (LOW Output)
170 nRTS32 O Unassigned
171 RXD0 I Unassigned (External Pull-Up)
172 RXD1 I Unassigned (External Pull-Up)
173 VSS - Power Supply (GND)
174 RXD2 I Unassigned (External Pull-Up)
175 VCC - Power Supply (+1.8V)
176 nCTS2 I Unassigned (External Pull-Up)
177 PTC7 O Unassigned
178 PTC6 I Unassigned (External Pull-Up)
179 PTC5 I Unassigned (External Pull-Up)
180 PTC4 O Unassigned (LOW Output)
181 VSSQ - Input/Output Power Supply (GND)
182 PTD3 O Tilt Motor Control (I12)
183 VCCQ - Input/Output Power Supply (+3.3V)
184 PTD2 O Tilt Motor Control (I02)
185 PTC3 O Unassigned (LOW Output)
186 PTC2 O Tilt Motor Control (C-CONT)
187 PTC1 O I2C on IIC-BUS SCL
188 PTC0 I/O I2C on IIC-BUS SDA
189 PTD1 O Tilt Motor Control (I11)
190 PTD0 O Tilt Motor Control (I01)
191 nDREQ0 I DMA Transfer Request (Low Active)
192 nDREQ1 I Unassigned (External Pull-Down)
193 nRESET I CPU SYSTEM RESET SIGNAL
194 CA I Chip Active (External Pull-Up)
195 MD3 I Area 0 BUS Width Setting (GND)
196 MD4 I Area 0 BUS Width Setting (External Pull-Up)
197 MD5 I Endian Setting (GND)
198 AVSS - Analog Power Supply (GND)
199 PTL0 I (External Pull-Down)
200 PTL1 I (External Pull-Down)
201 PTL2 I Tilt Sensor In
202 PTL3 I CD1
203 PTL4 I CD2
204 PTL5 I Pan Sensor In
205 AVCC - Analog Power Supply (+3.3V)
206 PTL6 I Pan Motor Control (VR2)
207 PTL7 I Pan Motor Control (VR1)
208 AVSS - Analog Power Supply (GND)
15.2. IC301, IC352
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