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ARM Philips LPC213x-ICP schematic

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pasicr

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Hi,
If somebody have info about this schematic?
I need info about designation for U1 on schematic and for Q1 NPN.
Second, Vcc level is?,
regards
 

bobcat1

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Hi

This circuit act as a half-duplex TTL<->RS232 converter and reset circuit

For U1 you can used the MUN5311 IC

For the NPN you can use MMT3904


All the best

Bobi
 

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