HE84G762B datasheet(3/60 Pages) KB

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KING BILLION ELECTRONICS CO., LTD

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HE84G762B

HE80004 Series

June 1, 2004

V0.92

This specification is subject to change without notice. Please contact sales person for the latest version before use.

1. General Description

HE84G762B is a member of 8-bit Micro-controller series developed by King Billion Electronics.

External address and data buses are provided to access external memory. This chip has 4096 pixel, 16

gray-scale LCD driver built-in with 4 different configurations, and up to 34-bit general purpose I/O ports.

The built-in OP comparator can be used with light, voice, temperature and humility sensor or used to

detect the battery low. The 7/8 bits current-type D/A converter and PWM driver output provides the

complete speech output solutions. The 512K bytes ROM and 5K bytes RAM can be used for the storage

of large speech data, image and text, etc. An UART is included to provide the serial communication

capability. IR output makes it suitable for remote control applications.

The instruction sets of HE80000 series is easy to learn and simple to use. There are only thirty-two

instructions and four addressing modes. Most of instructions take only 3 oscillator clocks to complete.

The performance and low power consumption make it suitable for battery-powered applications such as

translator, data bank, educational toy, digital voice recorder, etc.

2. Features

Operation Voltage:

2.4V ~ 3.6V

Dual Clock System:

Fast clock

32768 Hz ~ 8 MHz

Slow clock

32768 Hz

Four operation modes: Fast, Slow, Idle, Sleep modes.

Internal Program ROM: 512K bytes

Internal RAM:

5 K bytes

External memory buses to interface external Mask ROM, EPROM, NOR FLASH memory, etc.

22 ~ 34 bi-directional general-purpose I/O ports with push-pull or Open-Drain output type

selectable for each I/O pin by mask option.

Up to 4096 pixels 16, 4 gray-scale or Black/White LCD driver.

Segment extender interface with KD83 and KD80.

4 LCD configurations (COM X SEG): 32 COM x 96 SEG, 48 COM x 80 SEG, 64 COM x 64

SEG, 80 COM x 48 SEG.

Built-in LCD power supply with regulator and 3, 4, and 5 times charge pump circuit.

One 7/8-bit current-type D/A converter.

One 7/8-bit PWM output.

One built-in OP comparator.

Built-in UART for serial communication.

IR output.

Low voltage reset: 2.2V

Low voltage detection: 2.4V, 2.6V, 2.8V and 3.0V

Two external interrupts, three internal timer interrupts and extension UART interrupt

Watch dog timer to prevent deadlock condition.

Two 16-bit timers and one time-base timer.

Instruction set: 32 instructions, 4 addressing mode.

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