Home › Magazines › 2006 › July › R8CKey

R8CKey

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Published in issue 356, July 2006

This small board will conveniently replace the installation of several components when using the R8C 16-bit Tom Thumb module for programming. You’ll find the transistors and their corresponding resistors, the Reset button and the Mode switch, all familiar from our first article on the R8C/13.

Components

Relevant websites

Resistors

R1 = 100k

R2 = 4k7

R3 = 27k

R4 = 10k

Semiconductors

T1 = BC548C

T2 = BC558C

Miscellaneous

S1 = pushbutton (Reset)

S2 = slide switch, PCB mount (Mode)

K1 = 9-way sub-D socket (female) for cable mounting (RS232)

K2 = 6-way gold-plated SIL pinheader

1 m shielded cable with 2 conductors

Click below to download a PDF copy of this article from Elektor magazine.

	Downloads
	PDF Article (060175-UK.pdf)
	10 Elektor Credits
	PCB layout (060175-PCB.pdf)
	10 Elektor Credits

Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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R8CKey

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R8CKey

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