Sharp GX20 Service Manual - Page 93

CONFIDENTIAL GX20 VSIM VCORE VMEM VINT VRTC VDDUSB X102 32kHz CRYSTAL When JTAGEN=H, automaticaly GPIO_18 TCK GPIO_19 TMS GPIO_20 TDI GPIO_21 TDO z) VMC VEXT OSCIN OSCOUT JTAGEN BAND BSPORT VSPORT HSL/ Trace Cipher Coprocessor Viterbi Coprocessor JTAG I/F DSP Subsystem SPORT-0 SPORT-1 PLL IDMA DSP ADSP-218x 78MHz Cache RAM (4k word) PM (16k word) DM (16k word) GPIO_8(Hardware revison monitor[0]) GPIO_16(Hardware revison monitor[1]) GPIO_17(Hardware revison monitor[2]) CA1001 CAMERA UNIT BC 13V -7V nWE,nRD,nDISPLAYCS2, ADD[19:17],ADD[2:1],D[15:0] GPIO_47 GPIO_34 GPO_7 REG7 V-CCD:2.5V Controlled by VMEN IC208 XC6209B252MR Q205 V-INT:3.0V IP part RESET INT VDD2 DSP part CCD sensor V-Driver VDD1 ADD IC206 REG9 TK1131C 3.1V IC207 REG11 R116018B Controlled by VMEM LCD100 MAIN DISPLAY (CGS module) GPIO_39 CAM_CK RESET VDDPLL V-LCD:1.8V VDDCORE em Cache 16k byte S MCU ARM7TDMI MHz CLK & BS GEN DMA and BUS ARBITRATION EBUS PBUS Cipher Engine RBUS 2M RBUS 2M Internal SRAM (2Mbit) Internal SRAM (2Mbit) MI IO LAY TC PAD MC HOUSE-KEEPING System DMA WDT General Timers IRQ-CTRL & RAU COMMS-SYSTEM MicroSM Slow Clocking A-SPORT Synth i/f nRD,nWE,GPO_25(RSP),nWAIT, GPIO_33(LCDINT),DATA[15:0], GPO_10(BUFOFF) IC403 DISPLAY CONTROLLER LR38863 CLKOUT(13MHz) nDISPLAYCS1 SE_D0, SE_LD2, SE_CK VBAT LED (BLUE) LED (GREEN) LED (RED) IC402 IX3053AF POWER MANAGEMENT (BD6010 Rohm) CAMP CAMN CS DISPLAY DRIVER IC LCD001 EXTERNAL DISPLAY VBAT GPIO_4 MAIN DISPLAY BACKLIGHT B C EXTERNAL DISPLAY IC404 LT1937 DC-DC BACKLIGHT GPO_23 M SC RT B1.1 IrDA C/SD Peripheral PLL Peripheral Subsystem ADDRESS & DATA BUS/GPIO(INT) GPO_19 nAUXCS2 nWE,nRD,ADD[1] DATA[7:0], GPIO_15(RESET), GPIO_38(INT) IC103 YMU759B SOUND CS (MA2) CLKOUT(13MHz) SP100 SPEAKER V-INT:3.0V REG13 IC302 NJM2871F03 3.0V VMEM 2.8V 1.8V LEDA REG14 IC203 RQ5RW18B GPIO_8 Q207 SD eGSPa GPIO_1(RXD) GPIO_0(TXD) UN101 INFRARED PORT VBACK 3.0V SRAM 4Mbit(X16) nRAMCS2 SC-RAM 64Mbit(X16) nRAMCS1 nROMCS1,nRAMCS1, nRAMCS2,nGPCS1 ADD[22:1],DATA[15:0] nWE,nRD,nUB,nLB, GPIO_14(WP),nRESET D EQ3 HP_OUT MO100 VIBRATOR GPO_11(E_AMP) IC101 NJM2149R GPIO_3 IC209 SPEAKER AMP. TK11130C REG17 3.0V Bias FLASH2 64Mbit(X16) nGPCS1 FLASH1 64Mbit(X16) nROMCS1 A AUXADC2 IC105 TEMP.SENSOR LM20BIM7 F VT For CAMERA AUXADC5 IC307 TEMP.SENSOR Y V-INT: 3.0V IC106 LRS1B24 4-LEVEL STACK MEMORY LM20BIM7 For BATTERY Figure 2 MAIN BLOCK DIAGRAM (2/2) 4 - 2