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HD64F2638F20J Datasheet, PDF (1063/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Section 24 Electrical Characteristics
24.3.2 Power Supply Voltage and Operating Frequency Range
Power supply voltage and operating frequency ranges (shaded areas) are shown in figure 24-5.
Operating range of high-speed, medium-speed and sleep modes
24
20
16
12
8
4
0
3
3.5
4
4.5
5
5.5
6
Power supply voltage (V)
Operating range of watch, sub-active and sub-sleep modes
φSUB
0
3
3.5
4
4.5
5
5.5
6
Power supply voltage (V)
Notes: 1. An input clock frequency of 4 to 5 MHz should be used. For operation at 20 MHz, input a
5 MHz clock and use the PLL to multiply it (×4).
2. The maximum internal φSUB frequency is 39.06 kHz (5 MHz/128).
Figure 24-5 Power Supply Voltage and Operating Ranges
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 1013 of 1458