Panasonic KX-TCD455GM Service Manual

Pin Descriptiojn I/O Hi Hi-z Low Remarks38 (NO USE) - - - - -39 Bandgap Ref A.I - - - -40 Differential LinePA.I - - - for Bell Clip41 (NO USE) - - - - -42 Differential LineNA.I - - - for Bell Clip43 Audio In N A.I - - - -44 (NO USE) - - - - -45 ADC Ref A.I - - - -46 RSSI A.I - - - -47 (NO USE) - - - - -48 AD2 A.I - - - for Polarity49 AD3 A.I - - - for Polarity50 (NO USE) - - - - -51 PX.0 D.I (I_PU) - - -52 Address Bus D.O - - - for FlashMemory53 (NO USE) D.I (I_PU) - - -54 Address Bus D.O - - - for FlashMemory55 (NO USE) D.I (I_PU) - - -56 Address Bus D.O - - - for FlashMemory57 (NO USE) D.I (I_PU) - - -58 Address Bus D.O - - - for FlashMemory59 VDD - - - - -60 VSS - - - - -61 Address Bus D.O - - - for FlashMemory62 Address Bus D.O - - - for FlashMemory63 Serial Data(I2C) D.I/O Data - Data -64 Serial Clk(I2C) D.I/O Active - Active -65 Address Bus D.O - - - for FlashMemory66 Address Bus D.O - - - for FlashMemory67 MODE D.I - - (Fixed) -68 WR D.O - - Write IC4 for FlashMemory69 R2/P1.7 D.O - - (Fixed) -70 Address Bus D.O - - - for FlashMemory71 Bell/Paging LED D.O LED ON - LED OFF -72