Rev. 6.00, 08/04, page 440 of 628
15.2
When Not Using Internal Power Supply Step-Down Circuit
When the internal power supply step-down circuit is not used, connect the external power supply
to the CV
CC
pin and V
CC
pin, as shown in figure 15.2. The external power supply is then input
directly to the internal power supply. The permissible range for the power supply voltage is 2.7 V
to 3.6 V. Operation cannot be guaranteed if a voltage outside this range (less than 3.0 V or more
than 3.6 V) is input.
CV
CC
V
SS
Internal
logic
Step-down circuit
Internal
power
supply
V
CC
V
CC
= 2.7 to 3.6 V
Figure 15.2 Power Supply Connection when Internal Step-Down Circuit is Not Used
Summary of Contents for H8/38024 Series
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Page 661: ...H8 38024 H8 38024S H8 38024F ZTAT H8 38124 Group Hardware Manual...
