Review Article

The System Power Control Unit Based on the On-Chip Wireless Communication System

Table 2

Saving power with the DVFS.

CPU access to memoryDVFS and CSW are disabledCSW is enabledSaving powerDVFS is enabledSaving power

2G CPU280 mW265 mW5.3%221 mW21.1%
3G CPU198 mW176 mW11.1%157 mW20.7%
LTE CPU183 mW168 mW8.2%141 mW23%