1. Multi-Media Room Bridge Adapter Design
RTLAB
Multi-Media Room Bridge Adapter Design
Part I. PXA255 Main Processor
경북대학교 실시간시스템연구실
이 명 진
Feb. 18, 2004
KNU RTLAB

2. Agenda Multimedia Room Bridge Adapter 개요도
Main Device Power Consumption
Intel PXA255 Mobile Processor
Processor Package
Memory Interface
SDRAM Interface
Flash Memory Interface
Extension Card Interface
Variable Latency I/O Interface
LCD Interface
Feb. 18, 2004
KNU RTLAB

3. 1.1 Multi-Media Room Bridge Adapter 초안 개요도
Feb. 18, 2004
KNU RTLAB

4. 1.2 Multi-Media Room Bridge Adapter 수정 개요도
Feb. 18, 2004
KNU RTLAB

5. 2. Main Device Power Consumption
주요 부품
제조사 규격 핀수
Clock
Core / PLL
I/O
전력 소모 (W) 비고
전압 (V)
PLL 전압 (V)
최고 전류 (A)
PXA MHz
Intel
mBGA
256
3.684MHz, 32KHz
1.3 (1.5)
0.8
3.3
0.355
2.598
Intel Xscale Mobile Chip
NW721
Divio
PBGA
27MHz
1.8
0.5
Divio DV Codec
TSB43Cx43A TI
PQFP
176
24.576MHz
1.8 (Self)
TI iceLynx-Micro Chip
EP1C3-144Pin
Altera
TQFP
144
1.5
0.622 (I/O 포함)
0.93
Altera Cyclone FPGA (50000~60000 Gates)
CS8900A
Cirrus Logic
100
20MHz
0.045
0.15
10Base-T Ethernet Chip
TSB81BA3
PFP 80
49.152MHz
1.8 & 3.3
2.01 ~ 5.05
IEEE1394b Physical Layer Controller (400Mbps)
98.304MHz
800Mbps
TW9903
Techwell
LQFP
0.09(D) (A)
0.4
NTSC/PAL Video Decoder
SAA7121
Philips
QFP 44
0.045(D) (D)
0.35
NTSC/PAL Encoder
UDA1355
0.1
0.33
Stereo audio codec with SPDIF interface
CY7C53150
Cypress 64 5
0.055 (I/O 포함)
0.275
Neuron Chip Network Processor
Feb. 18, 2004
KNU RTLAB

6. 3.1 PXA255 Processor 개요 Intel XScale 32bit Mobile Processor
ARM Architecture Version 5TE ISA compliant
Low power consumption and high performance
Peripheral Integration
Memory Controller
Clock and Power Controller
USB (Universal Serial Bus) Client
DMA Controller
LCD Controller
AC97
IIS (Inter-IC Sound, Interface Inter-Sound) Controller
MMC (Multi-Media Card)
FIR (Fast InfraRed) Communication
Synchronous SPP (Serial Port Protocol)
IIC (Inter-Integrated Circuit) Controller
GPIO
UARTs (with Bluetooth)
RTC (Real Time Clocks)
OS Timers
PWM (Pulse Width Modulation)
Interrupt Control
Feb. 18, 2004
KNU RTLAB

7. 3.2 PXA255 Processor Package
Feb. 18, 2004
KNU RTLAB

8. 3.3 PXA255 Memory Interface Configuration
Feb. 18, 2004
KNU RTLAB

9. 3.4 PXA255 Interface Example (cont.)
SDRAM Interface
Feb. 18, 2004
KNU RTLAB

10. 3.5 PXA255 Interface Example (cont.)
Flash Memory Interface
Feb. 18, 2004
KNU RTLAB

11. 3.6 PXA255 Interface Example (cont.)
Expansion Card External Logic for a One-Socket Configuration
PCMCIA or Compact Flash
Feb. 18, 2004
KNU RTLAB

12. 3.6 PXA255 Interface Example (cont.)
Variable Latency I/O
Ex) Ethernet Interface, TFT-LCD Interface, LonWorks Interface, etc.
PC 기반의 ISA 버스에 연결되는 디바이스 인터페이스에 유용
Feb. 18, 2004
KNU RTLAB

13. 3.6 PXA255 Interface Example Active Color Display Typical Connection
Data Connection Line은 LCD Manufacturer에 따라 달라질 수 있슴
Feb. 18, 2004
KNU RTLAB