Posted on April 28, 2014 at 09:07ST roughly follows the 3-document scheme, a practice introduced perhaps by Intel some three decades ago with the 8048/8051: a ''software architecture'' document, describing the processor core, here represented by PM0056 (and by the original ARM Cortex-Mx documentation); a ''user (reference) manual'' describing the binding of peripherals to the core from programmer point of view, here RM0008; and ''datasheet'', roughly outlining functionality and differences between particular models of a line, and focusing on electrical and mechanical parameters - that's the document you already have.
JW
