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參數(shù)資料
| 型號： | TM8704 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 4位微控制器 |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| 中文描述： | 4位單片機(jī)的小型通用紅外遙控器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 75K |
| 代理商： | TM8704 |
tenx technology
TM8704
4 Bit Microcontroller
tenx technology, inc.
Ver 1.0 03/12/01
GENERAL DESCRIPTION
The TM8704 is an embedded high-performance 4-bit microcomputer with LCD driver. It
contains all the necessary functions, such as 4-bit parallel processing ALU, ROM, RAM,
I/O ports, timer, clock generator, dual clock operation, LCD driver and look-up table in a
signal chip.
FEATURE
1. 1.5V operation only and with low power dissipation.
2. Powerful instruction set (129 instructions).
Binary addition, subtraction, BCD adjust, logical operation in direct and index
addressing mode.
Single-bit manipulation (set, reset, decision for branch).
Various conditional branch.
16 working registers and manipulation.
Table look-up.
LCD driver data transfer.
3. Memory capacity.
ROM capacity
RAM capacity
1152
80
x 16 bits.
x 4 bits.
4. LCD driver output.
5 common outputs and 24 segment outputs (up to drive 120 LCD segments).
1/2 Duty, 1/3 Duty, 1/4 Duty or 1/5 Duty is selected by MASK option.
1/2 Bias or 1/3 Bias is selected by MASK option.
Single instruction to turn off all segments.
Segment output pins (SEG1~12) could be defined as CMOS or P_open drain output
type by mask option.
5. Input/output ports.
Port IOA
4 pins, muxed with SEG24~SEG27.
Port IOB
4 pins(with internal pull-low), muxed with SEG28~SEG31.
Port IOC
4 pins(with internal pull-low), muxed with SEG32~SEG35.
IOC port had built in the input signal chattering prevention circuitry.
6. 8 level subroutine nesting.
7. Interrupt function.
External factor 2
Internal factors 2
(INT pin, Port IOC).
(Pre-Divider, Timer1).
8. Built-in Diode for Solar Cell power regulation.
9. Built in Alarm generator.
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