motorola W220 Block Diagram signal free download

File name W220_Block_Diagram_signal.pdf

Signal Description W220 (EURO) W220 Block Diagram Signal Desription Signal From To Description Lower PCB Upper PCB Lower PCB Upper PCB Daughter_PCB Lower PCB MAIN_CS U201 R313 chip selection of LCM driver IC MAIN_CS_1 U307 CON301 chip selection of LCM driver IC LCDC_RESET U201 CON301,C302 reset of LCM driver IC V-FLASH U202 U201,U204,U314,CON301,U501 1.8V, regulater output of IOTA V-IO U202 U101,U102,U103,U104,U105,U108,U109,U201,CON301,U313,U604,U701 2.8V, regulater output of IOTA V-DBB U202 U201 1.5V, regulater output of IOTA V-RTC U202 U201 1.5V, regulater output of IOTA V-SRAM U202 U501 1.8V, regulater output of IOTA VRSIM U202 CON304 1.5V, regulater output of IOTA V-ABB U202 2.8V, regulater output of IOTA SIM-IO3 U201 U202 SIM IO SIM-CLK3 U201 U202 SIM Clock SIM_RST3 U201 U202 SIM Reset TDI U201 JTAG data Input TDO U201 JTAG data Output TCK U201 JTAG data Clock TMS U201 JTAG Mode select TXD U201 U102 UART TX RXD U201 U103 UART RX TXD2 U201 TP205 IRDA TX RXD2 U201 TP206 IRDA RX I2C_SCL U201 C302,U313