H8SSLASH2225 datasheet(925/1071 Pages) RENESAS

925 / 1071 page

Section 27 Electrical Characteristics

Rev. 5.00 Aug 08, 2006 page 839 of 982

REJ09B0054-0500

Section 27 Electrical Characteristics

27.1

Power Supply Voltage and Operating Frequency Range

Figures 27.1, 27.2, 27.3, 27.4, and 27.5 show power supply voltage and operating frequency

ranges (shaded areas) of the H8S/2258 Group, H8S/2239 Group, H8S/2238B, H8S/2236B,

H8S/2238R, H8S/2236R, and H8S/2237 Group and H8S/2227 Group respectively.

(2) Power supply voltage and instruction executing range

· Active (high-speed/medium-speed) mode

t (ns)

100

4.0

5.5 Vcc (V)

· Subactive mode

t (

µs)

30.5

4.0

5.5

(1) Power supply voltage and oscillation frequency range

· Active (high-speed/medium-speed) mode

· Sleep mode

f (MHz)

13.5

10.0

4.0

5.5 Vcc (V)

· All operating modes

f (kHz)

32.768

4.0

5.5

Note: When using the IEBus, the system clock must be set to either 12 MHz or 12.58 MHz.

When the IEBus is not used, the system clock can be set to an arbitrary frequency between 10 MHz to 13.5 MHz.

Vcc (V)

Figure 27.1 Power Supply Voltage and Operating Ranges (H8S/2258 Group)

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