Datasheet
Section 15 Electrical Characteristics
Rev. 6.00 Aug 04, 2006 page 464 of 680
REJ09B0145-0600
15.2 H8/3847R Electrical Characteristics (Regular Specifications)
15.2.1 Power Supply Voltage and Operating Range
The power supply voltage and operating range of the H8/3847R Group are indicated by the shaded
region in the figures.
1. Power supply voltage and oscillator frequency range
16.0
10.0
4.0
2.0
1.8
2.7
4.5 5.5
V
CC
(V)
f
osc
(MHz)
38.4
1.8 3.6 5.5
V
CC
(V)
f
W
(kHz)
• Active (high-speed) mode
• Sleep (high-speed) mode
• Internal power supply step-down circuit not used
Note: fosc is the oscillator frequency. When external
clocks are used, fosc=1MHz is the minimum.
Note: fosc is the oscillator frequency. When external
clocks are used, fosc=1MHz is the minimum.
4.0
10.0
2.0
1.8
2.7
5.5
V
CC
(V)
f
osc
(MHz)
• Active (high-speed) mode
• Sleep (high-speed) mode
• Internal power supply step-down circuit used
• All operating modes
32.768










