motorola W215 W218 Block Diagram Signal Description free download

File name W215_W218_Block_Diagram_Signal_Description.pdf

W215/W218 W215/W218 EU band Block Diagram Signak Description Signal Name From To Signal Description A/D[0..15] U101 U301 Address and data bus inputs/outputs multiplexed A[16..23] U101 U301 Address bus outputs multiplexed AUDAMP_SD U101 U601 Enable pin of audio amplifier AUXI/FM_ROUT R131/U202 U103 Headset Microphone/FM radio input (R channel) BATTEMP U103 R713 NTR connect of the Battery BS1 U101 U201 PA output ( 0 : GSM ; 1: DCS ) CAM_DATA[0..7] J901 U902 Camera Module: Camera Data Bus CDI U103 U101 AUDIO CODEC port interface serial data input CDO U101 U103 AUDIO CODEC port interface serial data output CKEN U103 U101 13Mhz clock Enable Synchronizes the memory to the frequency of the EMIF during synchronous operations such as CKM U101 U301 burst mode. CLK13M U101 U103 13Mhz clock CLK32K U103` U101 32Khz clock COL[0..4]/ROW[0..4] U101 Keypad Matrix Forms part of Keypad Matrix CSCLK U101 U103 AUDIO CODEC port interface serial clock CSYNC U01 U103 AUDIO CODEC port interface frame synchro CTS_MODEM U101 TP1 Clear To Send EARN U103 Voice Receiver Negative Audio Voice to Receiver EARP U103 Voice Receiver Positive Audio Voice to Receiver FDP U101 U301 The Flashreset/deeppower-downmode control FM_ANT J602 C222 FM Antenna FM_LOUT U202 U103 FM radio input(L channel) HB_IN R202 U201 TX VCO generated transmit DCS Frequency HS_BIAS U101 U604 Enable pin of the eadset microphone bias HS_DETECT U101 J602 Headset Detection HS_EN U101 U605/U602 Analog switch control(MODEM or Headset) HS_HOOK U603 U101 Handset send/end key detection HSMIC C112 U103 Headset Microphone amplifier input (single ended) HSOL U103 C623 Headset 32 ohm driver (L channel) HSOR U103 C626 Headset 32 ohm driver (R channel) ICTLAC1 U103 U502 Charge current control signal KEY