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Preface
The H8/300L Series of single-chip microcomputers has the high-speed H8/300L CPU at its core, with many necessary peripheral functions on-chip. The H8/300L CPU instruction set is compatible with the H8/300 CPU.
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The H8/3937 Series and H8/3937R Series include, a FLEX™ decoder*, five kinds of timers, a 2channel serial communication interface, and an A/D converter, as on-chip peripheral functions necessary for system configuration. The configuration of these series makes them ideal for use as embedded microcomputers in pagers using the FLEX™ decoder system. The H8/3937 Series supports non-roaming, while the H8/3937R Series supports roaming. This manual describes the hardware of the H8/3937 Series and H8/3937R Series. For details on H8/3937 Series and 3937R Series instruction set, refer to the H8/300L Series Programming Manual. Note: * FLEX is a trademark of Motorola Inc.
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Contents
Section 1
1.1 1.2 1.3
Overview ............................................................................................................ Overview ............................................................................................................................ Internal Block Diagram ...................................................................................................... www.DataSheet4U.com Pin Arrangement and Functions......................................................................................... 1.3.1 Pin Arrangement ................................................................................................... 1.3.2 Pin Functions.........................................................................................................
Overview ............................................................................................................................ 2.1.1 Features ................................................................................................................. 2.1.2 Address Space....................................................................................................... 2.1.3 Register Configuration .......................................................................................... Register Descriptions ......................................................................................................... 2.2.1 General Registers .................................................................................................. 2.2.2 Control Registers................................................................................................... 2.2.3 Initial Register Values........................................................................................... Data Formats ...................................................................................................................... 2.3.1 Data Formats in General Registers ............................................................