Introduction - If you have any usage issues, please Google them yourself
Exclusive use of the keyboard display driver IC 7290, this procedure can be driven to pass the test 4* 4 keyboard and four digital display
Packet : 99273907290test.rar filelist
7290test\7290jt.LST
7290test\7290jt.OBJ
7290test\7290jt.asm
7290test\I2C.lst
7290test\I2C.obj
7290test\Text2.lst
7290test\Text2.obj
7290test\VI2C_ASM.inc
7290test\ZLG7290.lst
7290test\ZLG7290.obj
7290test\ZLG7290B.lst
7290test\ZLG7290B.obj
7290test\justest!.xeh
7290test\justest.M51
7290test\justest.Opt
7290test\justest.Uv2
7290test\justest.hex
7290test\justest.hex.bak
7290test\justest.lnp
7290test\justest.plg
7290test\justest_Opt.Bak
7290test\justest_Uv2.Bak
7290test\zlg7290.inc
7290test