自从Freescale收购sigma-tel以来,大飞一直在关注MP4,MP5,MID等这个消费类市场,它最近推出了超高性价比的ARM9 I.MX233,下面我来给大家讲解一下它的优势在哪里:
1.主要指标:
Feature | i.MX27(L) | i.MX233 | i.MX253 | i.MX257 | i.MX258 |
Target Markets | Consumer, Industrial | Consumer & Industrial | Industrial & Consumer | Industrial & Consumer | Industrial |
Target Segments | ?IP Camera ?Media Phones ?Digital Signage ?Medical (Video) | ?PMP, PND ?Audio Accessories ?VoIP ?Smart remotes ?HMI (home appliances, etc) | ?HMI ?Portable/Tethered Printers ?Medical ?Factory Automation (Ethernet) | ? “Smart Touch” HMI ? Factory Automation (CAN) ? Barcode Scanners | ?Secure Residential Gateway (Smart Meters) ?Point-of-sale ?Biometrics ?Secure Devices |
Core | ARM926EJ-S? | ARM926EJ-S? | ARM926EJ-S? | ARM926EJ-S? | ARM926EJ-S? |
CPU Speed | 400 MHz | 454 MHz | 400 MHz | 400 MHz | 400 MHz |
Key Differences | ?MPEG-4/H.264 Video Encode / Decode ?CMOS Sensor I/F ?32-bit mDDR bus | ?Integrated power management ?Analog Audio ?Small packages | ?DDR2 ?Integrated Ethernet ?Integrated USB Phy’s ?NOR Flash | i.MX253 + ?CAN, Smartcard ?CMOS Sensor I/F ?Touchscreen controller | i.MX257+ ?Secure key/data storage ?Tamper detection ?Secure boot |
Package | 0.8mm 473BGA 0.65mm 404BGA | 128LQFP 0.8mm 169BGA | 0.8mm 400BGA | 0.8mm 400BGA | 0.8mm 400 BGA |
Positioning | Video acceleration | Integrated power management and analog audio | Ethernet, DDR2 | Ethernet, CAN, DDR2, Touchscreen controller | Security |
10KU Suggested Disty Resale | ???? | ???? | ???? | ???? | ???? |
OS | Linux, WinCE RTOS | Linux (Aug09), WinCE (Dec09) | Linux, WinCE, RTOS | Linux, WinCE, RTOS | Linux, WinCE, RTOS |
General Availability | Mass Production | BGA: Aug 2009 QFP: TBD | June 2009 | June 2009 | June 2009 |
上表是i.MX233与其他型号的比较。
2.
| 128 LQFP | 169 BGA |
UART | 2 | 3 |
12-bit ADC | 2 | 6 |
PWM | 3 | 5 |
Availability | TBD | Aug 09 |
从上表中可以看到,i.MX233确实很有优势,大家如果有兴趣的话,可以联系我:chwb02#126.com,把#换成@
声明:以前的邮箱 tommy.chen@future.ca 停用!
用户188034 2009-9-14 19:08