When Not Using The Internal Power Supply Step-Down Circuit - Hitachi HD6473867 Hardware Manual

14.3 When Not Using the Internal Power Supply Step-Down Circuit

When the internal power supply step-down circuit is not used, connect the external power supply
to the V pin and CV pin, as shown in figure 14-2. The external power supply is then input
CC CC
directly to the internal power supply.
Note: The permissible range for the power supply voltage is 1.8 V to 5.5 V. Operation cannot be
guaranteed if a voltage outside this range (less than 1.8 V or more than 5.5 V) is input.
V
CC
Step-down circuit
CV
CC
Internal
Internal
power
logic
supply
V
SS
Figure 14-2 Power Supply Connection when Internal Step-Down Circuit Is Not Used
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