Atmel datasheet for the AT91SAM7S64, an ARM7TDMI microcontroller with 64 KB of flash, 2.57 MB PDF. The document covers the pinout, memory map, USB device port, peripherals, power supply and voltage regulator, and debug interfaces. Technicians reference it when reviving embedded boards, finding the JTAG pins, the ERASE pin or the TST pin for SAM-BA boot recovery. Confirm the supply rails and crystal before suspecting the chip, and check the package type against the board.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @datasheet. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.