#1楼主：飞思卡尔超高性价比的ARM9 I.MX233
文章发表于：2009-09-14 11:53
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 |
$8.35 - $11.78 |
QFP $5.11-$5.88
BGA $6.03-$6.79 |
$6.98-$7.21 |
$7.78-$8.19 |
$9.01 |
|
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.
?Key Features and Advantages
?454MHz ARM926EJ-S core
?Based on Sigmatel IP platform
?PMU with high efficiency on-chip DC/DC with 4.2V output, supports Li-Ion batteries
?LCD Controller with Touchscreen
?1.5W Mono speaker amplifier
?Stereo headphone DAC w/ 99dB SNR & Stereo ADC w/ 85 dB SNR with integrated amplifiers
?NAND support – SLC/MLC and managed
?Hardware BCH (up to 20-bit correction) and RS ECC8 for current and future MLC NAND support
?DDR1 Support with integrated 2.5V regulator
?High speed USB with embedded PHY
?Package and Temperature
?169fpBGA 11x11mm .8mm
?128LQFP 14x14mm
?-10 to +70C (Consumer)
?-40C to +85C (Industrial)
|
|
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tommy.chen#wtmec.com 把#换成@即可。