Section 1 Overview; Overview - Renesas H8 Series Hardware Manual

8-bit single-chip microcomputer

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Table of Contents

Section 1 Overview

The H8/300L Series is a series of single-chip microcomputers (MCU: microcomputer unit), built

around the high-speed H8/300L CPU and equipped with peripheral system functions on-chip.

Within the H8/300L Series, the H8/3644 Group of microcomputers are equipped with a UART

(Universal Asynchronous Receiver/Transmitter). Other on-chip peripheral functions include five

timers, a 14-bit pulse width modulator (PWM), two serial communication interface channels, and

an A/D converter, providing an ideal configuration as a microcomputer for embedding in high-

level control systems. In addition to the mask ROM version, the H8/3644 is also available in a

version with on-chip user-programmable PROM, and an F-ZTAT™ *

version with on-

chip flash memory that can be programmed on-board. Table 1 summarizes the features of the

H8/3644 Group.

Notes: 1. ZTAT is a trademark of Renesas Technology Corp.

2. F-ZTAT is a trademark of Renesas Technology Corp.

Rev. 6.00 Sep 12, 2006 page 1 of 526

REJ09B0326-0600