Datasheet

Rev. 6.00 Mar. 18, 2010 Page v of lx
REJ09B0054-0600
Preface
The H8S/2558 Group, H8S/2239 Group, H8S/2238 Group, H8S/2237 Group, and H8S/2227
Group are high-performance microcomputers made up of the internal 32-bit configuration
H8S/2000 CPU as their cores, and the peripheral functions required to configure a system.
A single-power flash memory (F-ZTAT
TM
*
) version and masked ROM version are available for
these LSIs’ ROM. These versions provide flexibility as they can be reprogrammed in no time to
cope with all situations from the early stages of mass production to full-scale mass production.
This is particularly applicable to application devices of which the specifications frequently
changeable.
On-chip peripheral functions of each microcomputer are summarized below.
Note: * F-ZTAT is a trademark of Renesas Technology Corp.