Panasonic KX-TG9120FXS Service Manual

Contents

84KX-TG9120FXS/KX-TGA910FXS14 Appendix Information of Schematic Diagram14.1. CPU Data (Base Unit)14.1.1. IC7 (BBIC)Pin No. Pin name I/O Connection at Normal mode at Reset mode1 *INT1n/ P11 D,O RLY O I-PU2 VDDIO1 - VDDIO - -3 VDD1 - VDD - -4 VSS1 - VSS - -5 SDA1/P25 D,I/O SDA I/O I6 SCL1/P24 D,O SCL O I7 *INT5/VDDE/P15 D,O P1[5] O-L O-H8 *INT2/P12 D,O SP_AMP O-H I-PU9 AVD - AVD - -10 AVS - AVS - -11 CAP A,I CAP I I12 Xtal1 A,I Xtall I -13 VSSRF - VSSRF - -14 RFCLKp A,O RFCLKp O Hi-Z15 RSSI / RFCLKm A,I RSSI I Hi-Z16 VDDRF - VDDRF - -17 RFCLKd D,O RFCLKd O O-L18 TDO A,O TDO O -19 RDI D,I RDI I I20 SK D,I/O SK - O-L21 PD1 / SIO D,I/O SIO - I-PD22 LE D,I/O LE O O-H23 P31 / PD1 D, I/O RESET O I-PD24 P32 / PD2 D,I/O ROW0 I I-PD25 P33 / PD3 D,I/O ROW1 I I-PD26 P34 / PD4 D,I/O ROW2 I I-PD27 TDOD/ P35 / PD5 D,O KEY0 O I-PD28 P36 / PD6 D,O KEY1 O I-PD29 VSS2 - VSS - -30 VDDIO2 - VDDIO - -31 VDD2 - VDD - -32 PCM_FSC / INT0 / P10 D, I/O RDY I I-PU33 P00 / UTX D,I/O UTX O I-PU34 P01 / URX D,I/O URX O I-PU35 P02 / JTIO D,I/O JTIO O I-PU36 P03 / SDA2 D, I/O TAM_CSn O I-PU37 P04 / SCL2 D,O TAM_RSTn O I-PU38 P05 / SPICLK/PCM_CLK D, I/O SPICLK O I-PU39 P06/ SPIDO/ PCM_DOUT D, I/O SPIDO O I-PU40 P07 /SPIDI/ PCM_DIN D, I/O SPIDI I I-PU41 VSS3 - VSS - -42 VDD3 - VDD - -43 P23 / ADC1 I ADC1 I I44 P17 / CHARGE / INT7 I CHARGE I I-PD45 *RST I RSTn I I-PU46 VBAT1 A,I VBAT1 I I47 LDO1_CTRL D,O LDO1_CTRL O O-H48 LDO2_CTRL D,O LDO2_CTRL O O-H49 LDO1_Sense D,I LDO1_Sense I O-L50 AVS2 - AVS -51 AVD2 - AVD - -52 *CIDIN A,I CIDINn I I53 *LSR / REF A,O REF O O54 LSRp / REF A,O LSRp O O55 RINGING A,I RINGING I I56 *MIC / CIDOUT A,O CIDOUT O O57 VREFm - VREFm - -58 AGND A,O AGND O O59 MICp A,I MICp I I