HD6433712 HD6433713 HD6433714 HD6473714 Microcomputer Datasheet

H8/3714 Series HD6433712 HD6433713 HD6433714, HD6473714

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, and is ideal for real-time control.

The H8/3714 Series has a system-on-a-chip architecture that includes such peripheral functions as a vacuum fluorescent display controller/driver, five timers, a 14-bit PWM, a two-channel serial communication interface, and an A/D converter. It also has high-voltage pins capable of directly driving a vacuum fluorescent display, making it ideal for use in systems employing this type of display.

This manual describes the hardware of the H8/3714 Series. For details on the instruction set, refer to the H8/300L Series Programming Manual.

The H8/300L Series is a series of single-chip microcontrollers (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 H8/3714 Series microcontrollers are equipped with high-voltage pins. On-chip peripheral functions include a vacuum fluorescent display (VFD) controller/driver, timers, a 14-bit pulse width modulator (digital-to-analog converter), two serial communication interface channels, and an analog-to-digital converter. Together, these functions make the H8/3714 Series ideally suited for embedded control of systems requiring a vacuum fluorescent display. On-chip memory is 16 kbytes of ROM and 384 bytes of RAM in the H8/3712, 24 kbytes of ROM and 384 bytes of RAM in the H8/3713, or 32 kbytes of ROM and 512 bytes of RAM in the H8/3714, providing a choice for systems of different sizes. The ZTAT™* versions of the H8/3714 come with user-programmable PROM. Table 1 summarizes the features of the H8/3714 Series. Note * ZTAT (zero turn-around time) is a trademark of Hitachi.

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