 A slimmed down version, MPC850 with reduced caches and IO ports came in 1997.The QUICC communication processor module (CPM) offloads networking tasks from the CPU, thus branding this family as PowerQUICC.All processors in the family differ in on-chip features like USB, serial, PCMCIA, ATM and Ethernet controllers and different amount of L1 caches ranging from 1 KiB up to 16 KiB.