King Billion Electronics Co., Ltd

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HE83R125

HE80000 Series

March 13, 2003

2

V1.0E

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

only 3 oscillator clocks. This chip is suitable for the applications that require higher performance.

2. Features

Operation Voltage:

2.4V ~ 5.5V

System Clock:

DC ~ 8MHz @ 5.0V

DC ~ 4MHz @ 2.4V

Internal ROM:

128 KB (64K Program ROM+ 64K Data ROM)

Internal RAM:

256 Bytes

Dual Clock System:

Fast clock:

32768 ~ 8M Hz

Slow clock:

32768 Hz

4 Operation Modes:

Fast, Slow, Idle, Sleep modes.

Watch Dog Timer to prevent deadlock condition.

40-bit Bi-directional I/O port with push-pull or Open-Drain output type selectable for each I/O

pin by mask option. 32 of them are multiplexed with LCD segment pins.

64 (8 COM x 8 SEG) ~ 320 (8 COM x 40 SEG) dot LCD driver.

Built-in LCD power regulator to provide stable working voltage (~3Volt)

When VDD≧2.4Volt, LV4 output voltage around 3volts.

When VDD＜2.4Volt；LV4, 3, 2, 1 output voltage will going down with VDD

Complementary Pulse-Width Modulation outputs.

Two external interrupts and two internal timer interrupts.

Two 16-bit timers.

Instruction set: 32 instructions with 4 addressing modes.

Application field: LCD Games, Perpetual Calendar, etc.