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The central processing unit (CPU) lies at the heart of any computer.Whilst, initially, CPUs were large, the invention of silicon wafer fabrication in the 1970s resulted in dramatic miniaturisation and the first microprocessors as we know them today.After that, they started to become known as micro processing units (MPUs).The terms are now used interchangeably.
Produktstatus
Längd Min 14 mm 17 mm 19 mm 20 mm 21 mm 23 mm 27 mm 29 mm Max 14 mm 17 mm 19 mm 20 mm 21 mm 23 mm 27 mm 29 mm
Bredd Min 14 mm 17 mm 19 mm 20 mm 21 mm 23 mm 27 mm 29 mm Max 14 mm 17 mm 19 mm 20 mm 21 mm 23 mm 27 mm 29 mm
Produktfamilj Min i.MX253 i.MX257 i.MX258 i.MX27L i.MX6S MCF5445x mobileGT PowerQUICC Max i.MX253 i.MX257 i.MX258 i.MX27L i.MX6S MCF5445x mobileGT PowerQUICC
Höjd Min 1.12 mm 1.16 mm 1.18 mm 1.4 mm 1.6 mm 1.61 mm 1.95 mm 2.46 mm 2.55 mm Max 1.12 mm 1.16 mm 1.18 mm 1.4 mm 1.6 mm 1.61 mm 1.95 mm 2.46 mm 2.55 mm
Antal timers/räknare Min 4 5 6 8 9 10 Max 4 5 6 8 9 10
Databussbredd Min 24 Bit 32 Bit Max 24 Bit 32 Bit
Driftstemperatur, min. Min -40 °C -20 °C 0 °C Max -40 °C -20 °C 0 °C
Driftstemperatur max. Min 70 °C 85 °C 95 °C 105 °C 125 °C Max 70 °C 85 °C 95 °C 105 °C 125 °C
Gränssnitt Min 1-trådig CAN CSI CSPI DSPI Ethernet I²C I²S MicroSD PATA PCI PCIe SATA SD SDHC SPI SSI TDM UART USB Max 1-trådig CAN CSI CSPI DSPI Ethernet I²C I²S MicroSD PATA PCI PCIe SATA SD SDHC SPI SSI TDM UART USB
I/O-spänning Min 3.1 V 3.3 V Max 3.1 V 3.3 V
Kapseltyp
Klockfrekvens, max. Min 240 MHz 250 MHz 266 MHz 333 MHz 400 MHz Max 240 MHz 250 MHz 266 MHz 333 MHz 400 MHz
Kärnor Min 1 2 Max 1 2
L1 cache, dataminne Min 16 kB 32 kB Max 16 kB 32 kB
L1 cache, instruktionsminne Min 16 kB 32 kB Max 16 kB 32 kB
Matningsspänning, max. Min 1.05 V 1.26 V 1.47 V 1.5 V 1.52 V 1.6 V 1.65 V 3.6 V 5.75 V Max 1.05 V 1.26 V 1.47 V 1.5 V 1.52 V 1.6 V 1.65 V 3.6 V 5.75 V
Matningsspänning, min. Min 950 mV 1.14 V 1.25 V 1.3 V 1.33 V 1.35 V 1.38 V 1.42 V 1.45 V Max 950 mV 1.14 V 1.25 V 1.3 V 1.33 V 1.35 V 1.38 V 1.42 V 1.45 V
MPU-kärna Min 603e ARM926EJ-S ARM Cortex-A9 ColdFire V4 DSP56300 e300 Max 603e ARM926EJ-S ARM Cortex-A9 ColdFire V4 DSP56300 e300
Omsmältningstemperatur, max. Min 245 °C 260 °C Max 245 °C 260 °C
Programpinne Min 80 144 256 324 400 473 489 516 620 624 Max 80 144 256 324 400 473 489 516 620 624
Storlek på dataminne (RAM) Min 16 kB 32 kB 45 kB 112 kB 128 kB 144 kB Max 16 kB 32 kB 45 kB 112 kB 128 kB 144 kB