IntelPXA270+2700G Solution
Hardware & Software Specification V2.1
1. Hardware Specification
1.1、物理结构
采用六层电路板设计:
主板主要芯片构成:
主要由PXA270、Flash、SDRAM、2700G5 3D 加速器、DAC 芯片(ADV7125)、显存、CHRONTEL CH7023(TV Out),实时时钟(DS1307)、以太网控制器(LAN91C111)、AC97 音频解码和触摸屏控制器(UCB1400)、电源管理、以及用于知识产权保护的专用芯片构成。
1.2.系统配置
K-PB-PXA270-R1 板级配置:
CPU:Intel PXA270
Flash:32/64/128M Byets
CPU SDRAM:32/64/128/256M Bytes
3D Accelerator Chip:Intel 2700G5
Display Memory:8/16/32M Bytes
100M Ethernet Controller:One by LAN91C111(SMSC)
USB OTG Controller:OTG243(TransDisension )
AC97 Decode & TouchScreen Controller:UCB1400(Philips)
VIDEO DAC:ADV7125(ADI)
CHRONTEL: CH7023
K-PB-PXA270-R1 系统接口:
USB HOST:Two by PXA270
USB OTG :Two by OTG243
Full Fuction RS232:One by PXA270
UART Interface:One 16 PINS(Made by four RS232 with only TX/RX signal,three of these RS232 signal made by SP2538,the other made by PXA270)
JTAG:One by PXA270
Display Interface:One VGA
TouchScreen Interface:One by UCB1400
AUDIO Interface:One Microphone,One Speaker
Ethernet RJ45 Interface:One by LAN91C111
System Extend Interface:One(100PINS)
Power Supply Interface:One 5V Linear DC
2. Software Specification
2.1 引导程序(Blob):
2.2 Linux 内核(2.4.21)及设备驱动程序:
[1]StrataFlash Driver;
[2]DS1307 RTC Driver
[3]2700G5 Multimedia Accelerator Driver;
[4]Philips UCB1400 AC97 Decode and Touch Screen Controller Driver;
[5]Smsc Lan91C111 Ethernet Controller Driver;
[6]PXA270 Internal USB Host Controller Driver;
[7]OTG243 USB Host Controller Driver;
[8]USB Keyboard Driver;
[9]PXA270 Internal UART Controller Driver;
[10]SP2538 UART Controller Driver;
2.3 嵌入式Linux 系统软件运行及开发平台:
[1] GNU Toolchain for Xscale(Binutils GCC、GDB)on RedHat 9.0
[2] Embedded Linux for Xscale (Rootfs)
[3] TinyX and QT-Free for Xscale(Chinese supported)
[4] Embedded SQL DataBase
[5] Multimedia Player for MPEG
[6] JTAG Utils(Jfalsh)
[7] JFFS2 Utils(mkfs、jffs2)
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