OMAP5910 is a System On Chip From Texas Instrument (TI)
Its used in PMA Archos product: PMA400
Referenced: OMAP5910JGZG 42AI6LW 4
It's also known as 1510/Innovator 1510 beacuse first hardware made with that OMAP was TI Innovator 1510 PDA
ARM9 (ARM925T) CPU
The TI925 is an ARMv4T architecture.
Support Thumb extension Support Embedded Trace Macrocell extension (ETM9)
ARM Developer Suite (Assembler Guide) (360 pages)