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H838532H Datasheet(PDF) 410 Page - Renesas Technology Corp

Part # H838532H
Description  16-Bit Single-Chip Microcomputer H8 Family / H8/300H Super Low Power Series
PDF  508 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H838532H Datasheet(HTML) 410 Page - Renesas Technology Corp

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Section 14 Power Supply Circuit
Rev. 1.00 May 30, 2008 Page 390 of 484
REJ09B0436-0100
14.3
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 VCC pin, as shown in figure 14.2. 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. Normally, however, the internal power supply step-down circuit should be used.
Operation cannot be guaranteed if a voltage outside this range is input.
CVCC
VSS
Internal
logic
Step-down circuit
Internal
power
supply
VCC
Figure 14.2 Power Supply Connection when Internal Step-Down Circuit is Not Used



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