Panasonic KX-TG6421HGT Service Manual

Also see for KX-TGA641FXT: Service manual Service manual Service manual

Contents

71KX-TG6421HGT/KX-TGA641FXT12 Miscellaneous12.1. CPU Data (Base Unit)12.1.1. IC7 (BBIC)Pin No. Description I/O Connection at Normal mode at Reset mode1 VSS_LNA1 - GND - -2 RF_RXp A.I RF_RXp A.I A.I3 RF_RXn A.I RF_RXn A.I A.I4 VSS_LNA2 - GND - -5 RFP1 D.O RXON O_0/1 Hi-Z6 RFP0 D.O ANT1 O_0/1 Hi-Z7 REF_RES A.O REF_RES A.O A.O8 AVS_XTAL - GND - -9 XTAL2 A.I XTAL2 A.I A.I10 XTAL1 A.I XTAL1 A.I A.I11 AVD_XTAL - AVD_XTAL - -12 RF_SUPPLY1 - RF_SUPPLY1 - -13 LDO_CTRL A.O LDO_CTRL A.O O-114 AVD - AVD - -15 LSRn A.O LSRn A.O A.O16 LSRp A.O LSRp A.O A.O17 VREFm - VREFm - -18 MICh A.I MICh A.I A.I19 CIDOUT/MICn A.O CIDOUT A.O A.O20 CIDINn/MICp A.I CIDINn A.I A.I21 CIDINp/VREFp A.I CIDINp A.I A.I22 PULSE_CTRL D.O N.C. O_0 O23 RINGn/P3_6 D.O HOOK O_0/1 O24 RINGOUT/RINGING/P3_5 A.O RINGING A.I A.I25 PARADET/P3_4 A.I PARADET A.I A.I26 ADC0/P3_3 A.I ADC0 A.I A.I27 ADC1/INT0/P1_0 A.I ADC1 A.I A.I28 NTC/ADC2 - GND - A.I29 SOCp - GND - A.I30 SOCn - GND - A.I31 CHARGE_CTRL A.O N.C. A.O O-032 P1_7/CHARGE A.I CHARGE I I33 PAOUTp/P3_1 A.O PAOUTp A.O O-034 VDDPA - VDDPA - -35 PAOUTn/P3_0 A.O PAOUTn A.O O-036 VBAT1 - VBAT1 - -37 CP_C1x A.I/O N.C. A.I/O A.I38 CP_C2x A.I/O CP_C2x A.I/O A.I39 CP_C1y A.I/O N.C. A.I/O A.I40 VBAT2 - VBAT2 - -41 CP_C2y A.I/O CP_C2y A.I/O A.I42 CP_VOUT1/LED1 A.O CP_VOUT1 A.O A.O43 CP_VOUT2/LED2 A.O CP_VOUT2 A.O A.O44 PON/P1_6 D.I PullUp I_1 I45 VDD1 - +1.8V - -46 P2_7/BXTAL D.O TAM_WP O_0/1 O-147 P1_5/INT5/RDI/VDDE D.I ROW2 I_0/1 I-PU48 P1_4/INT4/TDOD D.I ROW1 I_0/1 I-PU49 P1_3/INT3/SIO D.I ROW0 I_0/1 I-PU50 P1_2/INT2/SK D.O KEY1 O_0/1 O-051 P1_1/INT1/LE D.O KEY0 O_0/1 O-052 P2_6/WTF_IN D.O KEY2 O_0/1 O-053 P0_7/SPI_DI D.I SPI_DI I_0/1 I-PU54 P0_6/SPI_DO D.O SPI_DO O_0/HighZ O-055 P0_5/SPI_CLK D.O SPI_CLK O_0/HighZ O-056 P0_4/SPI_EN D.O TAM_CSn O_0/HighZ O-157 P0_3/SCL2 D.O SCL2 O_0/HighZ O-058 P0_2/SDA2 D.I/O SDA2 I/O_0/HighZ O-059 P0_1/URX D.I URX I_0/1 -