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參數(shù)資料
| 型號： | TM8706 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | LED驅(qū)動器 |
| 英文描述： | The TM8706 is an embedded high-performance 4-bit microcomputer with LCD LED driver |
| 中文描述： | 在TM8706是一個嵌入式高性能的4位帶LCD LED驅(qū)動器微機 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 108K |
| 代理商： | TM8706 |
tenx technology
TM8706
4 Bit Microcontroller
GENERAL DESCRIPTION
The TM8706 is an embedded high-performance 4-bit microcomputer with LCD/LED 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, Resistance to Frequency
Converter(RFC), EL panel driver, LCD driver, look-up table, watchdog timer and key matrix
scanning circuitry in a signal chip.
FEATURE
1. Low power dissipation.
tenx technology, inc.
Rev 2.4 03/12/01
2. Powerful instruction set (178 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
4096
512
x 16 bits.
x 4 bits.
4. LCD driver output.
9 common outputs and 41 segment outputs (up to drive 369 LCD segments).
1/2 Duty, 1/3 Duty, 1/4 Duty, 1/5 Duty, 1/6Duty, 1/7Duty, 1/8Duty or 1/9Duty is
selected by MASK option.
1/2 Bias, 1/3 Bias or 1/4 Bias is selected by MASK option.
Single instruction to turn off all segments.
COM5~9,SEG1~41 could be defined as CMOS or P_open drain type output by
mask option.
5. Input/output ports.
Port IOA
4 pins (with internal pull-low), muxed with SEG24~SEG27.
Port IOB
4 pins (with internal pull-low). muxed with SEG28~SEG31
Port IOC
4 pins (with internal pull-low, low-level-hold), muxed with SEG32 ~
SEG35.
IOC port had built in the input signal chattering prevention circuitry.
Port IOD
4 pins (with internal pull-low), muxed with SEG36 ~ SEG39. IOD
port had built in the input signal chattering prevention circuitry.
6. 8 level subroutine nesting.
7. Interrupt function.
External factors 4
(INT pin, Port IOC, IOD & KI input).
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