ATS2805B_Reference Design_V1.2_20140813

ATS2805B_Reference Design_V1.2

Sheets List

1 VERSION2 BLOCK3 MAIN

4 AUDIO&CONNECTOR5 KEY&SCREEN

Revision History

V1.0 Original version2014-01-21V1.1 Modify YZ1 32.768 KHz Crystal Parameter2014-04-25

Add the GPIO's State and note.

V1.2

Modify REST circuit

2014-08-13

Add power pull-down resistor

Add options circuit for NO LI_Battery project

Design Guide

Diagram of the GPIO's state

GPIOX(NAME)Driving Capability(mA)

Initial State

Application ModuleRemark

GPIO_B44/8/12/16mAZIR ReceiverGPIOB_194/8/12/16mA1PA_ENGPIO_A54/8/12/16mA1TWI_CLKFM_SCLGPIO_A64/8/12/16mA1TWI_DATAFM_DATAGPIO_A114/8/12/16mA1PA AB/D SELECTGPIO_A154/8/12/16mAZLINEIN_DECHARD TWI_SCLGPIO_A164/8mA

ZIDLE

HARD TWI_SDAON_OFF//POWER ON/OFFLONG PRESS - RESETREM_CON

/

/

6bit ADC KEY

LED SCREEN INTERFACEGPIO_B134/8/12/16mAZLED_COM4GPIO_A84/8/12/16mA1LED_COM6GPIO_A104/8/12/16mA1LED_COM1GPIO_A114/8/12/16mA1LED_COM3GPIO_A12

4/8/12/16mA

LED_COM2

GPIO_A234/8/12/16mA0LED_SEG0GPIO_A24

4/8/12/16mA0LED_SEG1GPIO_A254/8/12/16mA0LED_SEG2GPIO_A264/8/12/16mA0LED_SEG3GPIO_A274/8/12/16mA0LED_SEG4GPIO_A284/8/12/16mA0LED_SEG5GPIO_A29

4/8/12/16mA

LED_SEG6

Block Diagram

D

D

7*5 LED

SEG0GPIO_A23C

POWER

USB_5VDC5VVDDLINEINFM

C

FMINLFMINRTWI_SCLTWI_SDA

FMINLFMINRFM_SCLFM_DATA

IR

B

IR_VCCVCCATS2805B_CORE

USB DEVICE USB HOST

USBDM+5VUSBDMHOST_POWER

LRADC1GPIO_B19PA_EN

PA

Speaker

B

GPIO_B1VCC

LOSCO

LOSCI

GPIO_A15SCLHard

SD_VDD

PREVPLAY

NEXTMODE

POWER

32.768KHz20PPMCL=12.5pF

A

SD CARDKEY

File name:Sheet name:Drawing No:Drawn By:BLOCK

ATS2805B_MAINBLOCK

Version:V1.2

WWY

Date:2014-8-13A

6

5

4

3

2

1

COREVCC

POWERLI_BAT ON_OFF YZ1 1 GPIO_A11 COM3 GPIO_A10 COM1 GPIO_B4 IR GPIO_A12 COM2 TWI_SCL TWI_SDA GPIO_A8 COM6 GPIO_A16 HARD TWI SDA GPIO_B8 SD_DATA GPIO_B1 SD_CMD GPIO_B2 SD_CLK GPIO_B13 COM4 LOSCO LOSCI ON_OFF RTCVDD DC5V VBAT GND SK1 1 LOSCO 32768Hz/20PPM/CL=12.5pF LOSCI LI_BAT 3.7V MP1 AVRL161A6R8GTA+ CP1 470UF 2 MP3 AVRL161A6R8GTA POWER/PLAY RP2 Must be near by the Li_Battery RP2 0R 5% 2CE_0C:ORCADWINCAPTUREDESIGNMCUS3C2400XEV-BOARDSMDK2400-72F.DSN

RESETRK8 NC/OR QK1 PMOS

DRZ2 RZ3 2.2K 5% 2.2K 5% TWI_SCL TWI_SDA

DVBAT

LI_BATP_DSG_0

reserved for ESDAGND GND RTCVDD GND

QK1:Idc>=500mA,Vdrop<=0.3VRK11 10K 5%

SD CARDGPIO_B2 RC1 22R 5%

SD_VCC

GPIO_A11 GPIO_A10 GPIO_B4 GPIO_A12 TWI_SCL TWI_SDA GPIO_A8 GPIO_A16 GPIO_B8 GPIO_B1 GPIO_B2 GPIO_B13 LOSCO LOSCI ON/OFF RTCVDD DC5V VBAT GND NC

Adjustable according

as EMISDCLK CC2 NC CC1 105 GND

IRUA1 CH0038D 1 OUT 2 GND 3 VCC VCC

RK13 NC/OR

RK10 0R/NC SK8 RESET KEY MP2 AVRL161A6R8GTA

RK12 0R/NC

GPIO_A19 SPI_MISO SPI_MOSI SPI_CLK GPIO_B19 USBDM USBDP AOUTL AOUTR AGND LINEINR LINEINL MICIN FMINL FMINR AVCC LRADC1 VCC GND BT_ANT

C

LC1 100M@600R DCR<0.2ohm

TC1 6 10 11 12 13 VDD VSS CLK GND CMD GND DAT0 GND DAT1 GND DAT2 CD/DAT3 DETCARD_TFI:LIBRARY2.OLB

DC5V

RTCVDD

AVCC

VCC

1 SPI_CS GPIO_A19 SPI_MO SPI_MISO SPI_MI SPI_MOSI SPI_CLK SPI_CLK LINE_DECT GPIO_B19 USBDM USBDP AOUTL AOUTR AGND LINEINR LINEINL MICIN FMINL FMINR AVCC LRADC1 VCC GND BT_ANT AZ1 DZ1 NC/IN4148

4 5 3 7 8 1 2 9

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

SD_VCC

RC2 2R2 5% SDCLK (SD_CLK) GPIO_B1(SD_CMD) GPIO_B8

GPIO_B4 GND CA1 105 GND

Remark: RZ8,RZ9,RZ13 reserved for future use

RC4 22R 5% RC3 47K 5%

VCC

RZ6 RZ5 1K 5% 4.7K 5%

RZ4 1K 5%

RZ1 2.2K 5%

TFCARD

IR's operate voltage must large than 2.7VPAVCC DU2 IN5819_SL

DC5V

VBATRZ7 NC/10K 5%

Option: For no LI_Battery project.

USBUSB_DEVICEJU1 LU1 100M@600R DCR<0.2ohm VBUS LU2 100M@600R DCR<0.2ohm 1 4 AVRL101A3R3GTA MU2 AVRL101A3R3GTA MU3 AVRL101A3R3GTA MU1 CU4 NC CU7 NC CU8 CU6 NC NC 9 8 7 6 USBPORT 5 4 3 2 1

Option: RZ4 reserved for LI_Battery project . Option: RZ5,RZ6 reserved for no LI_Battery project. Remark: RZ4,RZ5,RZ6 are NC for future

DU1 IN5819_SL

DC5V

DU1 and DU2:Idc>=500mA,Vdrop<=0.3V

B

HOST_POWER COM OUT OUT UP1 IN IN 2 3 USBDM USBDP JU2 USBPORT 1 2 3 4

ON_OFF

HARD TWI SCL SEG SEG SEG SEG SEG SEG SEG

GND GPIO_A15 GPIO_A29 GPIO_A28 GPIO_A27 GPIO_A26 GPIO_A25 GPIO_A24 GPIO_A23

41 42 43 44 45 46 47 48 49

GND GPIO_A15 GPIO_A29 GPIO_A28 GPIO_A27 GPIO_A26 GPIO_A25 GPIO_A24 GPIO_A23

40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21

UZ1 ATS2805B_module

OptionRC1 should be reserved for attenuating signal Reflection VCC

RK9 NC/OR

reserved for ESD

C

RA1 IR_VCC 100R 1%

B

MEMORYUF1 SPI_SS GPIO_A19 SPI_MISO SPI_MISO VCC RF3 47R 5% 1 2 3 4 CSSO WPGND VCC HOLDSCK SI 8 7 6 5 GND RF2 47R 5% RF1 47R 5% CF1 104 VCC SPI_SCK SPI_MOSI SPI_CLK SPI_MOSI GD25Q80BS1G GND

USBDM USBDP

reserved for EMI

GND

reserved for ESD

Option:The equivalent capacitance of MU1&MU2 must less than 3pF.

NFC InterfaceReference NFC Module:NXP NTAG203F TP1 connect the module's FD pin. TP2 connect the module's GND pin. FD TP1 VCC TP2 RT5 47K 5% B RT4 470K 5% C G S D QT2 LSI1012LT1G

ON_OFF

USB_HOST_POWERHOST_POWER VBAT

USB_DEVICE and USB_HOST Not to be used at the same timeCU1 225 VCC UU1 6 CRY2 5 VIN 4 VOUT LP3211P EN 1 CRY1 2 GND 3 RU1 100K 5% File name: Sheet name: Drawing No: Drawn By: Checked By: Approved By: WWY

Battery supply power

MAINATS2805B_MAIN MAIN Version: V1.2

A

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