I used to control the ad9910 cpld control pin. Attached is some of the procedures on the AD9910 test, and the corresponding number of instructions contains code.

AD9910 Driver\AD9910 Driver 2 Wire Communication\AD9910Driver
.............\..................................\AD9910Driver.elf
.............\..................................\AD9910Driver.hex
.............\..................................\AD9910Driver.lnp
.............\..................................\AD9910Driver.MAP
.............\..................................\AD9910Driver.Opt
.............\..................................\AD9910Driver.plg
.............\..................................\AD9910Driver.SBR
.............\..................................\AD9910Driver.Uv2
.............\..................................\AD9910Driver_Opt.Bak
.............\..................................\AD9910Driver_Uv2.Bak
.............\..................................\ADuC7026.h
.............\..................................\common.h
.............\..................................\config.c
.............\..................................\config.LST
.............\..................................\config.OBJ
.............\..................................\main.c
.............\..................................\main.LST
.............\..................................\main.OBJ
.............\..................................\SPI_Master.c
.............\..................................\SPI_Master.LST
.............\..................................\SPI_Master.OBJ
.............\..................................\startup.LST
.............\..................................\startup.OBJ
.............\..................................\startup.s
.............\AD9910 Driver 2 Wire Communication
.............\..............3 Wire Communication\AD9910Driver
.............\..................................\AD9910Driver.elf
.............\..................................\AD9910Driver.hex
.............\..................................\AD9910Driver.lnp
.............\..................................\AD9910Driver.MAP
.............\..................................\AD9910Driver.Opt
.............\..................................\AD9910Driver.plg
.............\..................................\AD9910Driver.SBR
.............\..................................\AD9910Driver.Uv2
.............\..................................\AD9910Driver_Opt.Bak
.............\..................................\AD9910Driver_Uv2.Bak
.............\..................................\ADuC7026.h
.............\..................................\common.h
.............\..................................\config.c
.............\..................................\config.LST
.............\..................................\config.OBJ
.............\..................................\main.c
.............\..................................\main.LST
.............\..................................\main.OBJ
.............\..................................\SPI_Master.c
.............\..................................\SPI_Master.LST
.............\..................................\SPI_Master.OBJ
.............\..................................\startup.LST
.............\..................................\startup.OBJ
.............\..................................\startup.s
.............\AD9910 Driver 3 Wire Communication
AD9910 Driver

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