H8S-2258 Datasheet, PDF (925/1071 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2200 Series

Section 27 Electrical Characteristics
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.
(1) Power supply voltage and oscillation frequency range
f (MHz)
13.5
f (kHz)
32.768
10.0
0
4.0
5.5 Vcc (V)
· Active (high-speed/medium-speed) mode
· Sleep mode
(2) Power supply voltage and instruction executing range
t (ns)
74
0
4.0
· All operating modes
t (µs)
30.5
100
5.5 Vcc (V)
0
4.0
5.5 Vcc (V)
· Active (high-speed/medium-speed) mode
0
4.0
· Subactive mode
5.5 Vcc (V)
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.
Figure 27.1 Power Supply Voltage and Operating Ranges (H8S/2258 Group)
Rev. 5.00 Aug 08, 2006 page 839 of 982
REJ09B0054-0500