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The H8S/2158 is a microcomputer made up of the H8S/2000 CPU employing Renesas
Technology's original architecture as its core, and the peripheral functions required to configure a
system, such as a notebook PC and portable information appliance products.
The H8S/2000 CPU has an internal 32-bit configuration, sixteen 16-bit general registers, and a
simple and optimized instruction set for high-speed operation. The H8S/2600 CPU can handle a
16-Mbyte linear address space. The instruction set of the H8S/2600 CPU maintains upward
compatibility at the object level with the H8/300 CPU and H8/300H CPU. This allows the H8/300,
H8/300L, or H8/300H user to easily utilize the H8S/2600 CPU.
This LSI is equipped with ROM, RAM, two PWM timers (PWM and PWMX), a 16-bit free-
running timer (FRT), an 8-bit timer (TMR), a watchdog timer (WDT), a serial communication
2
interface (SCI), an I
C bus interface (IIC), a D/A converter, an A/D converter, and I/O ports as on-
chip peripheral modules required for system configuration.
In particular, this LSI incorporates a universal serial bus interface (USB) and a multimedia card
(MultiMediaCard™ *
1
the recording media. In addition, the serial communication interface (SCI) has a smart card
interface function. Auxiliary hardware for encryption operation (DES, GF) conforming to the
"Keitaide-Music *
2
" standard is necessary to protect music copyright. Thus, it is easy to interface
to the secure multimedia card (Secure-MultiMediaCard™ *
Further, a data transfer controller (DTC), and a RAM-FIFO unit (RFU) that can operate FIFOs
such as the USB and MCIF together are incorporated as a bus master.
The on-chip ROM is flash memory (F-ZTAT™ *
connected to the CPU via a 16-bit data bus, enabling both byte and word data to be accessed in
one state. Instruction fetching has been speeded up, and processing speed increased.
Two operating modes, modes 2 and 3, are provided, and there is a choice of address spaces and
modes, single-chip mode and external extended mode. Other unique operating modes, such as
writing the boot program to the flash memory, on-chip emulation, and boundary scan, are also
available.
Notes: 1. MultiMediaCard™ is a trademark of Infineon Technologies AG.
Secure-MultiMediaCard™ is a multimedia card with a content protection function.
2. Technology standards for systems that deliver digital contents, such as music over
mobile phones. These standards were put together by five companies: SANYO Electric
Co., Ltd., Fujitsu Limited, Nippon Columbia Co., Ltd., PFU Limited, and Hitachi, Ltd.
These standards consist of a security guideline, a protocol standard, a secure
) interface (MCIF) for system configuration using a flash memory card as
Preface
1
).
3
) with a capacity of 256 kbytes. ROM is
Rev. 3.00 Jan 25, 2006 page v of lii
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