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SPHE8202R Design Guide
V2.0 - JUN, 2007
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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
DataSheet.in
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 No 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. parties which may result from its use. responsibility is assumed by SUNPLUS TECHNOLOGY CO. for any infringement of patent or other rights of third 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.
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SPHE8202R Design Guide
Revision History
Page Number(s)
Revision V1.0 V2.0
Date 2007/04 2007/06
By Ronnie Yangli First Add 3.9/4.4
Remark
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13/17
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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
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3.7 Card Reader ................................................................................................................................ 10 3.8 Servo (OPU & Motor Driver)........................................................................................................ 10 3.9 Servo DVDVR/CDVR Application................................................................................................ 13
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4 EMI Considerations .......................................................................................................................... 14 4.1 Crystal.......................................................................................................................................... 14 4.2 Loader Control Signals ................................................................................................................ 14 4.3 PCB Layout ................................................................................................................................. 15 4.4 USB EMI ................................................................................................. 17
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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
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Figure 1-1 SPHE8202R System Block Diagram
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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
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MIC: Support internal ADC (1ch) function Support IR / VFD interface Support 8bits game pad Support full color Native32 game Support CD-Ripping
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2 Component Layout
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Figure 2-1 SPHE8202R Layout (Top View)
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3 System Design Guideline
3.1 Video
(1) SPHE8202R COMP Video 1uF Rset 1K ohm filter 3-1
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Figure 3-1 SD DAC - buffer + filter + protector
(2) SPHE8202R Video power SPHE8202R Video power pin
3,3V bypass
Figure 3-2 HD DAC - HPA00191DR
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3.2 SDRAM
(1) SPHE8202R support 16-bit mode 3-3
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33 ohm SDRAM clock SPHE8202R
Figure 3-3 SDRAM 16-bit mode
SDRAM data bus damping RC (R 33 ohm C 10 pF)
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Figure 3-4 SDRAM data bus and clock
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3.3 SPI Flash (Serial Peripheral Interface Flash)
SPI flash 3-5 R1 10K ohm R2 0 ohm
3.4 Audio
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Audio ground
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Figure 3-5 SPI Flash Circuit
(1) SPHE8202R
ADC 3-6
power
3,3V
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Figure 3-6 Audio power
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(2) SPHE8202R Audio DAC output mapping release DAC output mapping
Audio ADC Audio
8202R Pin Number 56 57 59 60
Function CENTER SW
3.5 RESET Circuit
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RS LS FL FR
reset IC timing
reset circuit reset IC
3-7 layout
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Figure 3-7
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Reset Circuit
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3.6 UART
debug SPHE8202R code UART
3.7 Card Reader
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Figure 3-8 UART port
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pin
card reader interface card reader
card sense
3.8 Servo (OPU & Motor Driver)
Servo power ground
(1) A+5V Power OPU Bypass
power
connector
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pad
Figure 3-9 A+5V power
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(2) M+5V Power motor driver driver power ripple power power 5V
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pad
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Figure 3-10 M+5V power
(3) RF3.3V power bypass path SPHE8202R
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Figure 3-11 RF3.3V power
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(4) RF RF trace couple PUHRF SPHE8202R ground AC
PUHRF
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Figure 3-12 PHURF layout
SPHE8202R
LPF
motor driver LPF
SPHE8202R SPHE8202R
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(6) Vref1 Vref2 VRT VRB VCT 5 bypass
3.9 Servo DVDVR/CDVR Application
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Figure 3-14
3-15 2
Servo
CDVR/DVDVR )
8202R LDSW
GPIO 2 mos
(
64M CDVR/DVDVR GPIO,16M mos
mos card function NC. mos
card function game funcion GPIO 16M 8202R SDRAM interface game function 8202R GPIO
lay
pcb
64M
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Figure 3-15 DVDVR/CDVR circuit
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4 EMI Considerations
4.1 Crystal
layout ground pad Crystal ground pad Crystal
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Figure 4-1 Crystal layout
4.2 Loader Control Signals
SPHE8202R motor driver loader LD- IN OUT HOME) bead (SP+ SP- SL+ SL- LD+ loader connector
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Figure 4-2 Load control signals
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4.3 PCB Layout
(1) Power trace
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Figure 4-3 Power trace layout
I/O connector connector
power trace connector
power trace
Figure 4-4 Power trace with I/O connector
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(3)
plane (power and ground plane)
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2 plane
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Figure 4-5
ground plane
plane
4-6
plane
Figure 4-6
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(5) IC power trace
clock IC IC
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Figure 4-7 IC
USB 4-8 2A 90
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Figure 4-9 SDCW2012-2-900
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100MHz
SDCW2012-2-900
4-9
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