Datasheet

Section 1 Overview
R01UH0309EJ0500 Rev. 5.00 Page 1 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Section 1 Overview
1.1 Features
The H8S/2456 Group, H8S/2454 Group, and H8S/2456R Group are CISC (Complex Instruction
Set Computer) microprocessors that integrate an H8S/2600 CPU core which has an internal 16-bit
architecture and is upward-compatible with Renesas-original H8/300, H8/300H, and H8S CPUs.
The on-chip peripheral functions provided for enabling system configuration at a low cost are the
DMA controller, EXDMA controller
*,
data transfer controller, serial communication interface, I
2
C
bus interface 2, synchronous serial communication unit, USB function module, A/D converter,
D/A converter, and various timers. On-chip ROM is flash memory whose size is 256 Kbytes and
128 Kbytes.
Note: * Not supported by the H8S/2454 Group.
1.1.1 Applications
Application field examples: PC peripheral equipment, office automation equipment, consumer
equipment, etc.
1.1.2 Overview of Specifications
The specifications of this LSI are summarized in table 1.1.