HE84G770B datasheet(3/61 Pages) KB

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King Billion Electronics Co., Ltd

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HE84G770

HE80004H SERIES

October 31, 2003

Version:V1.1

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

1. General Description

HE84G770 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 6400 pixel, 16 gray-scale

LCD driver built-in with 4 different configurations, and up to 36-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 8-bit current-type D/A converter and PWM driver output provides the complete

speech output solutions. The 1M bytes ROM and 6K 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 HE80004H 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 ROM:

1M Bytes (512K Byte Program ROM, 512K Byte Data ROM)

Internal RAM:

6K Bytes (Shared with LCD RAM).

6 ~ 36 bit Bi-directional general purpose I/O port with push-pull or open-Drain output type

selectable for each I/O pin by mask option.

Up to 6400 pixels with 16, 4 gray-scale or Black/White LCD driver.

Segment extender interface with KDGS80.

4 LCD configurations: [32 × 128], [48 × 112], [64 × 96], [80 × 80].

Built-in LCD power supply with input power regulator, voltage multiplier circuit and bias

generating circuit.

PWM output.

8-bit current-type DAC output.

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

Built-in keyboard auto scan hardware for up to 4×20 key matrix (shared with LCD SEG pins)

not only reduces the hardware cost, but also reduces the firmware effort.

Watchdog timer.

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

Two external interrupts, three internal timer interrupts and one internal UART interrupt.

Instruction set: 32 instructions, 4 addressing modes.

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