=== AVR ===
[[http://www.atmel.com/dyn/resources/prod_documents/doc7766.pdf AVR]]
* EEPROM
=== ARM ===
[[http://www.nxp.com/documents/data_sheet/LPC1311_13_42_43.pdf * ARM]]Cortex-M3
* higher frequency/MIPS
* 32bit architecture
==== LPC1342/43 ====
[http://www.nxp.com/documents/data_sheet/LPC1311_13_42_43.pdf LPC1342/43]
* only up to 3.6V
* 8 ADC inputs
** http://www.olimex.com/dev/lpc-p1343.html
==== NUC120 ====
[http://www.nuvoton.com/NuvotonMOSS/Community/ProductInfo.aspx?tp_GUID=5dbf7d7a-b6df-4fe1-91c9-063449500ce7 Homepage]
[http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/IndustrialIC/ARMMicrocontroller/ARMCortexTMM0/Documents/NUC120%20Datasheet%20EN.pdf NUC120 Datasheet]
[http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/IndustrialIC/ARMMicrocontroller/ARMCortexTMM0/Documents/NuMicro%20NUC100%20Series%20Technical%20Reference%20Manual%20EN.pdf NUC120 Manual]
* ARM Cortex-M0
* integrated LDO
* less efficient than the LPC
* very cheap; <= $2.50@1 at Arrow/Nu Horizons
* external crystal required
* slower clock (48MHz)
* more flash, RAM
* Boards
** http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=NUTINY-SDK-120-ND
[http://www.coocox.com:8080/coassistant_en/rap register assistant]
== Voltage regulators ==
==== MCP1725-ADJE/SN ====
* [[http://ww1.microchip.com/downloads/en/DeviceDoc/22026b.pdf]MCP1725-ADJE/SN]
* $0.56@1, $0.39@100
* Adjust with two resistors
==== SC195ULTRT ====
* [[http://www.semtech.com/images/datasheet/sc195.pdf]SC195ULTRT]
* $0.96@1, $0.555@100
* Adjust with logic input pins
==== NCP1521BSNT1G ====
* [[http://www.onsemi.com/pub_link/Collateral/NCP1521B-D.PDF]NCP1521BSNT1G]
* $0.92@1, $0.63@100
* Adjust with two resistors
* output 0.9V - 3.3V
* required C: 4.7µF, 18pF, 10µF; L: 2.2µH (or 4.7µF and 4.7µH)
== Crystals ==
* http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=644-1020-1-ND
* http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=535-10202-1-ND
== Ethernet ==
=== ENC28J60 ===
[http://ww1.microchip.com/downloads/en/DeviceDoc/39662c.pdf ENC28J60]
* 10baseT
=== LAN8720A ===
[http://www.smsc.com/media/Downloads_Public/Data_Sheets/8720a.pdf LAN8720A]
* 10baseT/100baseTX