http://www.epsontoyocom.co.jp/C_support/aboutCrystal/Xtal02_j.htm

http://toragi.cqpub.co.jp/Portals/0/backnumber/2008/02/p184-185.pdf

http://www.chip1stop.com/UE027_M10.cfm?PID=MCHP-0016756&from=UE002 http://www.datadynamics.co.jp/ccsc/icddevices.html

http://forum.microchip.com/tm.aspx?m=319167&mpage=1&key=ICD0083%2cUnable%2center%2cdebug񍺿

http://www.ne.jp/asahi/air/variable/picmel/integration/write/pickit2/index.html