Datasheet

Section 20 Power Supply Circuit
Rev. 3.00 Sep. 10, 2007 Page 394 of 528
REJ09B0216-0300
20.2 Power Supply Connection of 3.3-V-Specification Microcontrollers
Connect the external power supply to the V
CL
and V
SS
pins as shown in figure 20.2. The power
supply voltage must be within a range of 3.0 to 3.6 V. Otherwise, correct operation is not
guaranteed.
V
CL
V
SS
Internal
logic
Step-down circuit
Internal
power
supply
V
CC
V
CC
= 3.0 to 3.6 V
Figure 20.2 Power Supply Connection of 3.3-V-Specification Microcontrollers