Schematic Diagram Schematic Diagram Overall Block Diagram Power Management

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					                                                                                                                                                               Schematic Diagram



7.	Schematic	Diagram

                          .
7-1	 Overall	Block	Diagram	 .................................................................................... 7-2

7-2	 Power	Management	......................................................................................... 7-3

7-3	 TCC7801	Power_Block	.................................................................................... 7-4

7-4	 TCC7801	I/O	Setting,	Reset	............................................................................. 7-5

                               .
7-5	 Memory	(SDRAM,	NAND-Flash)	 ..................................................................... 7-6

7-6	 Audio	CODEC	................................................................................................... 7-7

7-7	 24PIN	I/O,	Interface	.......................................................................................... 7-8

7-8	 WQVGA	LCD	Interface	..................................................................................... 7-9

                  .
7-9	 BLUETOOTH,	FM	............................................................................................. 7-10




Samsung Electronics                                                                           This Document can not be used without Samsung’s authorization.                7-1
Schematic Diagram



7-1	 Overall	Block	Diagram

                                                                                                                                                                                 The Main System consists of such basic circuit blocks as Processor (TCC7801), SDRAM (32Mbit), Flash Memory,
    24pin connector        24pin connector
                                                                                                                                                                                  Power Block, and Audio DAC, and includes FM_Tuner, Bluetooth Block, and LCD Block.
  External Battery Pack   P5V OR USB P5V
     (Alkaline 3pcs)

                                                          1.2V    2.8V
                                                                                                                                                                                 Serial interfaces between the IC’s are implemented with various protocols throughout the system.
                                                                                                                                                                                  The Host Processor (TCC7801) and the UART are used to implement the Audio DAC and the FM Tuner, the interface
                                                                                                                               INTERNAL
                               Battery Charger &                                                                               BOOSTER        3.0 INCH
                                                                                                                                              16:9 PANEL 480X272
                                                                                                                                                                                  between the Bluetooth Module and the Host Process is accomplished by the UART, and the Audio DAC accomplishes
                              Dual Buck Converter
      LITHUM BATTERY
                                 AAT2550                                                                                                      4 LED /18bit DATA                   mode setting and data transfer through I2C and I2S, respectively.
         3.7V_950mA                                                                                BACKLIT ON/OFF
                                                                                                                                              Touch SCREEN
                            Charging: P5V OR USB 5V
                           400mA per channel(DDCON)                                     18bit PARALLEL        R:G:B=6:6:6                     300 NIT
                                                                                                                                              1.8~3.2V Digital I/F               Power can be turned on and off with the power switch on the side of the device. Either the built-in battery or the power
                                                                                                  3-WIRE REGISTER SETTING                                                         adapter can be used for power supply. The power adapter is capable of 5V input. The power from the power adapter
                                                          RTC    PWR
           3.2V    1.8V                                                                                                                                                           charges the battery at AAT2550. Four (4) different voltages required are 2.8V (Main), 1.07V (CPU Core), 1.8 (SDRAM
                                 AAT2512                                                                                                                                          Memory), and 3.1V (WQVGA LCD).
                              Dual Buck Conveter
                           400mA per channel(DDCON)
                                                                                                                              12MHz
                                                                             TCC 7801                                        MAIN CLK
                                                                              256 BALL BGA
                                                                                                                                                                       FM ANT
                                                                         14 X 14 mm 0.8mm PITCH
                                                                          0.40 ~ 0.45mm BALL PI                              32.768KHz
                                                                       ARM926 CORE (MMU) 192MHz                              RTC XTAL
                                                                                                                                                     HEADPHONE
                                       AD & CONTROL[24]                  USB2.0 SLAVE EMBEDED                                                       EAR JACK(3.5 PI)
                                       DQ[16]X2
                                                                          RTC Module EMBEDED                                AUDIO CODEC
                              256Mbit (32bit) * 2                                                           I2S I/F           WM1808L
                               100MHZ SDRAM AD[0-23]                                                                         1.8V CORE
                              EDS2532EEBH-9A DQ[0-31]                                                       I2C 0              2.8V I/F
                              1.8V OPERATION                                                                                  3.1V ADC
                                                                 I2C        I2S      GPIO      UART                           2.8V DAC


                                      NAND
                                    (DSP type)                                                           B/T ANT



                                             32.768KHz
                                              USE RTC
                                                                         BLUE TOOTH MODULE
                                                                           with FM_MODULE
                                                                           BCM2048 SKUFBG
                                              26MHz
                                             MAIN CLK




7-2                                                                                                                                       This Document can not be used without Samsung’s authorization.                                                                               Samsung Electronics
                                                                                                                                            Schematic Diagram



7-2	 Power	Management

          POWER
                                                                                                                                  TP1 / TP2 / TP3

                                                                                                                          TP1
                                                                                                            TP15

                                                                                                                          TP2
                                                                                                                          TP3

                                 TP16
                                                                                                                                TP4 / TP5 / TP6 / TP7

                                                                                                                          TP4
                                TP17
                                                                                            TP4       TP5                 TP5

                                                                                                                          TP6

                                                                                                                          TP7


                                                                                                                           TP15 / TP16 / TP17 / TP18

                                                                                                                         TP15

                                                                                                                         TP16
                        TP18
                                                              TP1
                                                                                                                         TP17

                                                                                                                         TP18




                                                                                                                   TP6   TP7
                                                                                                      TP2
                                                                                                TP3




Samsung Electronics            This Document can not be used without Samsung’s authorization.                                                            7-3
Schematic Diagram



7-3	 TCC7801	Power_Block

            POWER




7-4                        This Document can not be used without Samsung’s authorization.   Samsung Electronics
                                                                                                                          Schematic Diagram



7-4	 TCC7801	I/O	Setting,	Reset

          POWER



                       TP13




                                                                                                                    TP8 / TP9

                                                                                                             TP8



                                                                                                             TP9



                                                                                                                      TP13

                                                                                                             TP13
                      TP9     TP23




                                                                                                                      TP23




                                                                                                             TP23




                                                                                                                      TP24


                                                                                                      TP24


                                                                                                             TP24

           TP8




Samsung Electronics                  This Document can not be used without Samsung’s authorization.                                    7-5
Schematic Diagram



7-5	 Memory	(SDRAM,	NAND-Flash)

            POWER




7-6                               This Document can not be used without Samsung’s authorization.   Samsung Electronics
                                                                                                        Schematic Diagram



7-6	 Audio	CODEC

                                                                                                     TP19
          POWER
          AUDIO


                                             TP19                                             TP19




                                                                                                     TP20




                                                                                              TP20




                                                                                                     TP21




                                         TP20                                                 TP21




                                                                                       TP21




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Schematic Diagram



7-7	 24PIN	I/O,	Interface

                                                                                                           TP22
            POWER




                                                                                                    TP22




                                                                                             TP22




7-8                         This Document can not be used without Samsung’s authorization.                 Samsung Electronics
                                                                                                                            Schematic Diagram



7-8	 WQVGA	LCD	Interface

                                                                                                   TP11          TP10 / TP11 / TP12
          POWER


                                                                                                          TP10

                                                                                                          TP11

                                                                                                          TP12




                                                                  TP12




                           TP10




Samsung Electronics               This Document can not be used without Samsung’s authorization.                                         7-9
Schematic Diagram



7-9	 BLUETOOTH,	FM

                                                                                             TP14
            POWER




                                                                                      TP14




                                              TP14




7-10                 This Document can not be used without Samsung’s authorization.          Samsung Electronics