Renesas H8SX/1668R - Manual (Page 17)

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2.1.2 Soldering the IC Socket
After fastening, solder the IC socket for a PLQP0144KA-A package to the user system.
CAUTION
Be sure to completely solder the leads so that the solder
gently covers the leads and forms solder fillets. (Use
slightly more solder than with the MCU.)
2.1.3 Inserting the IC Socket Connector
CAUTION
Check the location of pin 1 before inserting.
After checking the location of pin 1 on the user system interface board and pin 1 on the IC socket
connector, align the guide pins on the IC socket connector with the guide holes on the user system
interface board, and insert the IC socket connector into the IC socket (figure 3).