1、ARM9芯片比较表SAM9261/SAM9G10 SAM9G15 SAM9G20 SAM9G25 SAM9G35 SAM9X25 SAM9X35 SAM9G45 SAM9M10 AM1808 SOC Core ARM926EJ-S ARM926EJ-S ARM926EJ-S ARM926EJ-S ARM926EJ-S ARM926EJ-S ARM926EJ-S ARM926EJ-S ARM926EJ-S ARM926EJ-SFreq(Vol.) 200MHz(1.2V) / 266MHz(1.2V) 400MHz(1V) 400MHz(1V) 400MHz(1.0V) 400MHz(1V) 4
2、00MHz(1.2V) 375MHz(1.2V) / 456MHz(1.32V)I Cache 16KB 16KB 32KB 16KB 16KB 32KB 16KBD Cache 16KB 16KB 32KB 16KB 16KB 32KB 16KBOn Chip RAM 160KB/16KB 32KB16KB x 2 32KB 32KB 80KB + 16KB 128KB + 8KBOn Chip ROM 32KB 64KB 64KB 64KB 64KB 64KB 16KBExRAM Clock100MHz/133MHz 133MHz 133MHz 133MHz 133MHz 133MHz 1
3、50MHzRAM Size(MDK) 64MB SDR, 32bit,3.3V128MB DDR2,16bit,1.8V 64MB SDR, 32bit, 3.3V128MB DDR2,16bit,1.8V128MB DDR2,16bit,1.8V64MB DDR2,16bit,1.8V128MB DDR2,16bit,1.8VNAND (MDK) 128MB 256MB 128MB 256MB 256MB 256MB 128MBLCD ControllerY, 24bit maxY,24bit max,2D accel. NA NAY,24bit max, 2D accel. NA Y,24
4、bit max,2D accel.Y, 24bit max Y,16bit maxImage Catpure NA NA Y NA NA ISIVPIF, 2CH 8bit capture, 2CH 8bit playbackAC97 NA NA NA NA NA YMCBSP x 2, can work with AC97EMAC NA NA Y Y x2 x1 Y YDMA 19CH PDC dual port 8CH x2 24CH PDC dual port 8CH x 2 dual port 8CH x 2 37CH 64CHPWM 2 CH 4CH,16bit 2 CH 4CH,
5、16bit 4CH, 16bit 4CH, 16bit eHRPWM x 2, 16bitUSB Device FS x 1 HS x1 FS x 1 HS x 1 HS x 1 HS x 1 HS OTG x 1USB HOST FS x 2 HS x2 FS x 2 HS x 2 HS x 2 HS x 2 HS OTG x 1, FS x 1SD/MMC MCI SDHC x2 MCI x 2 SDHC x 2 SDHC x 2 SDHC x 2 SD x 2SPI SPI x 2 SPI x2 SPI x 2 SPI x 2 SPI x 2 SPI x 2 SPI x 2Timer 3
6、CH 16bit x 1 3CH,32bit TC x2 3CH,16bit x 2 3CH,32bit TC x 2 3CH,32bit TC x 2 3CH 16bit x 264bit GP x 3, 64bit GP/WDT x 1; eCAP x3, 32bitPIT x 1 x1 x 1 x1 x1 x1 NARTC RTT x 1 RTC RTT x 1 RTC RTC RTTx1 RTC x 1GPIO 32bit x 3 bank 32bit x4bank 32bit x 3bank 32bit x 4bank 32bit x 4bank 32bit x 5bank 16bi
7、t x 9bankUSART3, IRDA,7816,RS4853 4, IRDA, 7816, RS4853 4 3 4, IRDA,7816,RS48516550type x 3UART DBGU x 1 x2 + DBGU x1 DBGU x 1 x2 + DBGU x1 x2 + DBGU x1 DBGU x 1 NAI2C TWI TWI x3 TWI TWI x3 TWI x3 x2 x 2ADC NA 12CH,10bit,touchscreen 4CH 10bit12CH, 10bit, touchscreen 12CH, 10bit, touchscreen8CH 10bit
8、, touchscreen NASSC x3, I2S SSC x1 SSC, I2S SSC x1 SSC x1 I2S x 2 McASP x 1CAN NA NA NA NA x2 x2 NA NAPMU NA NA NA NA NA NA NASATA NA NA NA NA NA NA x1 (SATA I & SATA II)CoProcessor NA NA NA NA NA NA PRUSS x 2Security NA NA NA NA NA NA NAOther Soft Modem Soft Modem Soft Modem Soft Modem Video Codec Footprint217 BGA, 0.8mm pitch, ROHS217BGA, 0.8mm pitch217BGA, 0.8mm pitch, ROHS217BGA, 0.8mm ptich 217BGA, 0.8mm ptich 324BGA,0.8mm pitch361BGA,0.8mm pitch(ZWT)注意事项
