SPHE8202R Design Guide V2.0 JUN, 2007 19, Innovation First Road Science Park Hsin-Chu Taiwan 300 R.O.C. Tel: 886-3-578-6005 Fax: 886-3-578-4418 Web: www.sunplus.com
SPHE8202R Design Guide Important Notice SUNPLUS TECHNOLOGY CO. reserves the right to change this documentation without prior notice. Information provided by SUNPLUS TECHNOLOGY CO. is believed to be accurate and reliable. However, SUNPLUS TECHNOLOGY CO. makes no warranty for any errors which may appear in this document. Contact SUNPLUS TECHNOLOGY CO. to obtain the latest version of device specifications before placing your order. No responsibility is assumed by SUNPLUS TECHNOLOGY CO. for any infringement of patent or other rights of third parties which may result from its use. In addition, SUNPLUS products are not authorized for use as critical components in life support systems or aviation systems, where a malfunction or failure of the product may reasonably be expected to result in significant injury to the user, without the express written approval of Sunplus. Sunplus Technology Co., Ltd. PAGE 1 V2.0 - JUN, 2007
SPHE8202R Design Guide Revision History Revision Date By Remark Page Number(s) V1.0 2007/04 Ronnie First V2.0 2007/06 Yangli Add 3.9/4.4 13/17 Sunplus Technology Co., Ltd. PAGE 1 V2.0 - JUN, 2007
Table of Content PAGE SPHE8202R... 1 Design Guide... 1 1 System Overview... 3 1.1 System Block Diagram... 3 1.2 System Feature... 4 2 Component Layout... 5 3 System Design Guideline... 6 3.1 Video... 6 3.2 SDRAM... 7 3.3 SPI Flash (Serial Peripheral Interface Flash)... 8 3.4 Audio... 8 3.5 RESET Circuit... 9 3.6 UART... 10 3.7 Card Reader... 10 3.8 Servo (OPU & Motor Driver)... 10 3.9 Servo DVDVR/CDVR Application...13 4 EMI Considerations... 14 4.1 Crystal... 14 4.2 Loader Control Signals... 14 4.3 PCB Layout... 15 4.4 USB EMI... 17 Sunplus Technology Co., Ltd. PAGE 2 V2.0 - JUN, 2007
1 System Overview 1.1 System Block Diagram SPHE8202R DVD/CD servo TV encoder Audio ADC 1ch internal Audio DAC 5.1ch GAME USB 2.0 (Full Speed) 3 in1 Card reader 1-1 SPHE8202R Figure 1-1 SPHE8202R System Block Diagram Sunplus Technology Co., Ltd. PAGE 3 V2.0 - JUN, 2007
1.2 System Feature SOC (RF integrated) Support MPEG4 Support USB 2.0 (Full Speed) Support 3 in 1 Card Reader (SD, MS, MS-pro, MMC) SDRAM: Support 16M bits to 256M bits, with 16 bits mode ROM/FLASH: Support SPI flash Support boot-trap mode TV: 4 TV DAC output (full current output) Audio: internal DAC 5.1ch output, support AC3, DTS and SPDIF OUT MIC: Support internal ADC (1ch) function Support IR / VFD interface Support 8bits game pad Support full color Native32 game Support CD-Ripping Sunplus Technology Co., Ltd. PAGE 4 V2.0 - JUN, 2007
2 Component Layout Figure 2-1 SPHE8202R Layout (Top View) Sunplus Technology Co., Ltd. PAGE 5 V2.0 - JUN, 2007
3 System Design Guideline 3.1 Video (1) SPHE8202R Video filter 3-1 COMP 1uF Rset 1K ohm Figure 3-1 SD DAC - buffer + filter + protector (2) SPHE8202R Video power 3,3V SPHE8202R Video power pin bypass Figure 3-2 HD DAC - HPA00191DR Sunplus Technology Co., Ltd. PAGE 6 V2.0 - JUN, 2007
3.2 SDRAM (1) SPHE8202R support 16-bit mode 3-3 Figure 3-3 SDRAM 16-bit mode (2) SDRAM data bus damping 33 ohm SDRAM clock RC (R 33 ohm C 10 pf) SPHE8202R Figure 3-4 SDRAM data bus and clock Sunplus Technology Co., Ltd. PAGE 7 V2.0 - JUN, 2007
3.3 SPI Flash (Serial Peripheral Interface Flash) SPI flash 3-5 R1 10K ohm R2 0 ohm Figure 3-5 SPI Flash Circuit 3.4 Audio (1) SPHE8202R Audio DAC ADC power 3,3V ground 3-6 Figure 3-6 Audio power Sunplus Technology Co., Ltd. PAGE 8 V2.0 - JUN, 2007
(2) SPHE8202R Audio DAC output Audio ADC mapping release Audio DAC output mapping 8202R Pin Number Function 3.5 RESET Circuit 56 CENTER 57 SW 59 RS 60 LS 65 FL 66 FR reset circuit 3-7 reset IC reset IC layout timing Figure 3-7 Reset Circuit Sunplus Technology Co., Ltd. PAGE 9 V2.0 - JUN, 2007
3.6 UART debug SPHE8202R code UART 3.7 Card Reader Figure 3-8 UART port 8202R card reader interface card sense pin card reader 3.8 Servo (OPU & Motor Driver) Servo power ground (1) A+5V Power OPU power connector pad Bypass Figure 3-9 A+5V power Sunplus Technology Co., Ltd. PAGE 10 V2.0 - JUN, 2007
(2) M+5V Power motor driver power driver power 5V power ripple Figure 3-10 M+5V power (3) RF3.3V power SPHE8202R pad bypass path SPHE8202R Figure 3-11 RF3.3V power Sunplus Technology Co., Ltd. PAGE 11 V2.0 - JUN, 2007
(4) RF RF PUHRF ground trace PUHRF SPHE8202R AC couple Figure 3-12 PHURF layout (5) SPHE8202R LPF motor driver SPHE8202R LPF SPHE8202R Figure 3-13 Sunplus Technology Co., Ltd. PAGE 12 V2.0 - JUN, 2007
(6) Vref1 Vref2 VRT VRB VCT 5 bypass 3.9 Servo DVDVR/CDVR Application Figure 3-14 3-15 Servo CDVR/DVDVR 8202R GPIO ( 2 mos ) LDSW 2 mos 64M card function game funcion GPIO CDVR/DVDVR mos 16M 8202R SDRAM interface GPIO,16M card function game function 8202R GPIO mos NC. mos lay pcb 64M Figure 3-15 DVDVR/CDVR circuit Sunplus Technology Co., Ltd. PAGE 13 V2.0 - JUN, 2007
4 EMI Considerations 4.1 Crystal layout Crystal ground pad Crystal ground pad 4.2 Loader Control Signals Figure 4-1 Crystal layout SPHE8202R motor driver loader (SP+ SP- SL+ SL- LD+ LD- IN OUT HOME) bead loader connector Figure 4-2 Load control signals Sunplus Technology Co., Ltd. PAGE 14 V2.0 - JUN, 2007
4.3 PCB Layout (1) Power trace Figure 4-3 Power trace layout (2) I/O connector power trace power trace connector connector Figure 4-4 Power trace with I/O connector Sunplus Technology Co., Ltd. PAGE 15 V2.0 - JUN, 2007
(3) plane (power and ground plane) Figure 4-5 ground plane (4) 2 plane 4-6 plane plane Figure 4-6 ground plane Sunplus Technology Co., Ltd. PAGE 16 V2.0 - JUN, 2007
(5) IC clock power trace IC IC 4.4 USB EMI Figure 4-7 IC USB 4-8 120 2A 90 Figure 4-8 USB Sunplus Technology Co., Ltd. PAGE 17 V2.0 - JUN, 2007
Figure 4-9 SDCW2012-2-900 SDCW2012-2-900 100MHz 4.6 4-9 Sunplus Technology Co., Ltd. PAGE 18 V2.0 - JUN, 2007