- Null, Linda; Lobur, Julia. The Essentials of Computer Organization and Architecture. Jones & Bartlett Learning. 2006: 2016 [2020-02-14]. ISBN 978-0-7637-3769-6. （原始内容存档于2020-07-31）.
All computers have a CPU that can be divided into two pieces. The first is the datapath, which is a network of storage units (registers) and arithmetic and logic units... connected by buses... where the timing is controlled by clocks.
- J. R. Hauser and J. Wawrzynek, Garp: a MIPS processor with a reconfigurable coprocessor, FCCM’97, 1997, pp. 12–21. （页面存档备份，存于互联网档案馆）