Datasheet
Section 15 Electrical Characteristics
Rev. 6.00 Aug 04, 2006 page 514 of 680
REJ09B0145-0600
15.8 Electrical Characteristics of H8/38347 Group and H8/38447 Group
15.8.1 Power Supply Voltage and Operating Ranges
The power supply voltage and operating ranges (shaded portions) are shown below.
1. Power Supply Voltage and Oscillation Frequency Range
5.5
V
CC
(V)
f
W
(kHz)
• All operating modes
32.768
38.4
2.7
5.5
V
CC
(V)
f
W
(kHz)
• All operating modes
32.768
38.4
2.7
2.0
16.0
2.7 5.5
V
CC
(V)
fosc (MHz)
• Active (high-speed) mode
• Sleep (high-speed) mode
• H8/38347 Group
2.0
10.0
16.0
2.7 5.54.5
V
CC
(V)
fosc (MHz)
• Active (high-speed) mode
• Sleep (high-speed) mode
• H8/38447 Group
Note: fosc is the oscillator frequency. When an external clock is used 1 MHz is the minimum
fosc value.










