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À̹ø °­Á¿¡¼­´Â PS2 to RS232 Á¦ÀÛÀ» Çغ¸µµ·Ï ÇÏ°Ú½À´Ï´Ù.

1. ȸ·ÎÀÇ ±¸¼º

÷ºÎÇÑ È¸·Îµµ¸¦ º¸½Ã°í ȸ·Î¸¦ Á÷Á¢ Á¦ÀÛÇÏ½Ã¸é µÇ´Âµ¥ ºÎÇ°±¸¸Å´Â
www.devicemart.co.kr ¿¡¼­ ±¸¸ÅÇϼŵµ µÇ°í Á÷Á¢ ¿ë»êÀ̳ª Á¾·Î¿¡¼­
±¸¸ÅÇϼŵµ µË´Ï´Ù.
½ÅÈ£ º¯È¯À» À§ÇØ »ç¿ëµÈ MCU´Â ATMEL»çÀÇ AVR ½Ã¸®Áî AT90S2313 ÀÔ´Ï´Ù.

[ÁÖ¿ä ºÎÇ°]
AT90S2313                MCU
MAX232                TTL <-> RS232
6 pin DIN Connector        DS1093-6P
PDA 22pin Connector        http://www.cable49.com/ ¿¡¼­ ±¸ÇÒ ¼ö ÀÖ½À´Ï´Ù.
Crystal 8 MHz        Å©¸®½ºÅ»Àº 8MHz¸¦ »ç¿ëÇϽñ⠹ٶø´Ï´Ù.

* ³ª¸ÓÁö ºÎÇ°Àº ȸ·Îµµ¸¦ Âü°íÇÏ¿© ±¸ÇÏ½Ã¸é µË´Ï´Ù.

¶Ç AVRÀº ISP ¹æ½ÄÀ¸·Î ÇÁ·Î±×·¥À» WriteÇÒ ¼ö Àִµ¥ Àú´Â Æз¯·²Åë½Å¿ë
ISPȸ·Î¸¦ ±¸¼ºÇÏ¿© »ç¿ëÇÏ¿´½À´Ï´Ù. ³×À̹ö¿¡¼­ "AVR¿ë ISPȸ·Îµµ" ·Î °Ë»öÇϸé
°ü·ÃÀڷḦ ½±°Ô ±¸ÇÒ ¼ö ÀÖÀ» °ÍÀÔ´Ï´Ù.
¶Ç Write¿ë À¯Æ¿¸®Æ¼ÀÎ Ponyprog¸¦ ÇÔ²² ÷ºÎ ÇÕ´Ï´Ù. ÀÌ ÇÁ·Î±×·¥ÀÇ »ç¿ë ¹æ¹ý ¿ª½Ã
³×À̹ö¿¡¼­ "Ponyprog"¶ó°í ÀÔ·ÂÇÏ¸é ½±°Ô ãÀ» ¼ö ÀÖÀ» °ÍÀÔ´Ï´Ù.


2. Àü¿ø ¹× ÁÖÀÇ»çÇ×

Àü¿øÀº 5V DC ¾îµªÅ͸¦ »ç¿ëÇϽðųª PC¿¡¼­ USBÀü¿øÀ» »Ì¾Æ¼­ »ç¿ëÇϼŵµ µË´Ï´Ù.
´ë½Å PDA¿Í ÀÎÅÍÆäÀ̽º½Ã ¾Æ·¡ ³»¿ëÀ» Âü°í Çϼż­ ½Ç¼ö°¡ ¾øµµ·Ï ÇØÁÖ¼¼¿ä
È޴뼺À» À§Çؼ­ ÀüÁö¸¦ »ç¿ëÇÏ°í ½ÍÀ¸½Å ºÐÀº PCÅ°º¸µå°¡ 5V ÀÔ·ÂÀÌ ÀÖ¾î¾ß
µ¿ÀÛÀ» Çϱ⠶§¹®¿¡ Àü¾ÐÀ» ²À È®ÀÎÇØ Áֽñ⠹ٶø´Ï´Ù.

[Å°º¸µå »ç¿ë½Ã PDAÃæÀüÀ» °âÇÏ°í ½ÍÀº °æ¿ì]
PDA ÃæÀü½Ã ÃÖ´ë Àü·ù°¡ 700mA ±îÁöµµ ¿Ã¶ó°¡´Â°ÍÀ» ½ÇÇèÀ¸·Î È®ÀÎÇß½À´Ï´Ù.
¶§¹®¿¡ PDA ÃæÀüÀ» °âÇÏ°í ½ÍÀº °æ¿ì¿¡´Â ±×¿¡ ¸Â´Â ¿ë·®ÀÇ ¾Æ´äÅ͸¦ »ç¿ëÇØ Áֽðí
ȸ·Îµµ PDA CONNECTOR ºÎºÐ¿¡ VCC 5V¸¦ 4¹ø ÇÉÀ¸·Î, GND¸¦ 22¹ø ÇÉÀ¸·Î
¼öÁ¤ÇØ ÁÖ¼Å¾ß ÇÕ´Ï´Ù. (PC USB Àü¿ø »ç¿ë½Ã¿¡´Â Àý´ë º¯°æÇÏÁö ¸¶¼¼¿ä)
¸¸¾à ½º¸¶Æ®ÆùÀ» »ç¿ëÇϽô °æ¿ì¶ó¸é 24pin ±Ô°Ý¼­¸¦ Âü°íÇϼż­ ÀûÀýÈ÷ ¹Ù²ã
Áֽñ⠹ٶø´Ï´Ù. ½º¸¶Æ®ÆùÀÌ ¾ø´Â °ü°è·Î Á÷Á¢ Å×½ºÆ®Çغ¸Áö ¸øÇß½À´Ï´Ù.
¶Ç ½º¸¶Æ®ÆùÀº RS232·¹º§ÀÌ ¾Æ´Ñ TTL·¹º§·Î ½Ã¸®¾ó Åë½ÅÀÌ µÇ´Â°ÍÀ¸·Î ¾Ë°í
ÀÖ½À´Ï´Ù. ±×·¸±â ¶§¹®¿¡ MAX232 ºÎºÐÀ» Á¦°ÅÇÏ°í PDA TXD(13¹ø ÇÉ)°ú RXD(12¹ø ÇÉ)À»
¿¬°áÇÏ°í, PDA RXD(14¹ø ÇÉ)°ú TXD(11¹ø ÇÉ)À» ¿¬°áÇØ ÁÖ¸é µË´Ï´Ù.


3. ¸¶¹«¸®

ȸ·Î°¡ Á¦À۵Ǹé ISP¿Í Ponyprog¸¦ ÀÌ¿ëÇØ ÇÔ²² ÷ºÎÇÑ kb.a90 ÆÄÀÏÀ»
MCU¿¡ Write ÇØÁÝ´Ï´Ù. (ÀÌ ºÎºÐÀÇ ¼Ò½ºÄÚµå´Â °ø°³ÇÏÁö ¾Ê°Ú½À´Ï´Ù.)



ÀÚ~ ÀÌÁ¦ PDA¿ë µå¸®À̺ê ÇÁ·Î±×·¥À» ¸¸µå´Â Àϸ¸ ³²¾Ò½À´Ï´Ù.
¿¡°í ¿ª½Ã ±Û¾²´Â°Ç Èûµå³×¿©~

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