ARM Chinese guides, introducing 44B0 PCB is a good learning information,

44b0x（1）
..........\ARM44b0x.DDB
..........\ARM44b0x.ldb
..........\ARM44b0x.PCB
..........\LCDpan
..........\......\LCDPANEL.PCB
..........\......\LCD_PANEL
..........\......\.........\LCD_PANEL.DBK
..........\......\.........\LCD_PANEL.DRC
..........\......\.........\LCD_PANEL.DSN
..........\......\.........\LCD_PANEL.ONL
..........\......\.........\LCD_PANEL.opj
..........\S3C44B0
..........\.......\ARM-S3C44B0X.BOM
..........\.......\ARM-S3C44B0X.DBK
..........\.......\ARM-S3C44B0X.DRC
..........\.......\ARM-S3C44B0X.DSN
..........\.......\ARM-S3C44B0X.ONL
..........\.......\ARM-S3C44B0x.opj
..........\.......\DESIGN1.DSN
..........\.......\Design1.opj
..........\.......\LIBRARY1.OLB
..........\.......\LIBRARY2.OBK
..........\.......\LIBRARY2.OLB

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