Справочник Пользователя для Olimex Open Source Hardware Embedded ARM Linux Single board computer with i.MX233 ARM926J @454Mhz IMX233-OLINUXINO-NANO IMX233-OLINUXINO-NANO
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IMX233-OLINUXINO-NANO
OLIMEX© 2013
iMX233-OLinuXino-NANO user's manual
CHAPTER 5 CONTROL CIRCUITY AND HARDWARE MODULES
5. Introduction to the chapter
Here you can find information about reset circuit and quartz crystals locations, the power supply
circuit is discussed.
circuit is discussed.
5.1 Reset
OLinuXino's reset circuit includes R16 (2.2 kΩ), R17 (2.2 kΩ), T1, T2, quartz Q1 and a RESET
button. The RESET is specific for the fact that it is accomplished when the quartz is disconnected
using 3.3V and the transistors T1 and T2.
button. The RESET is specific for the fact that it is accomplished when the quartz is disconnected
using 3.3V and the transistors T1 and T2.
5.2 Clock
24 MHz quartz crystal Q1 is connected to pins 121 and 122 of the iMX233 processor.
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