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參數(shù)資料
| 型號： | EM78568 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8-BIT MICRO-CONTROLLER for FRS |
| 中文描述： | 8位微控制器為FRS |
| 文件頁數(shù)： | 4/54頁 |
| 文件大?。?/td> | 494K |
| 代理商： | EM78568 |
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EM78568
8-bit Micro-controller for FRS
__________________________________________________________________________________________________________________________________________________________________
* This specification are subject to be changed without notice.
07/28/2004 V3.5
I. General Description
The EM78568 is an 8-bit RISC type microprocessor with low power, high speed CMOS technology. This
integrated single chip has an on_chip watchdog timer (WDT), program ROM, data RAM, LCD driver, programmable
real time clock/counter, internal interrupt, power down mode, built-in 8-bit D/A converter, 5-bit Comparator, DAC tone
generator, CTCSS analog circuit, programming dual tone generator and tri-state I/O.
II. Feature
CPU
Operating voltage : 2.2V
5.5V
16k x 13 program ROM
0.5k x 8 on chip data RAM
Up to 36 bi-directional tri-state I/O ports
16 level stack for subroutine nesting
8-bit real time clock/counter (TCC)
two 8-bit counters : COUNTER1 and COUNTER2
On-chip watchdog timer (WDT)
99.9
single instruction cycle commands
Four modes (Main clock can be programmed from 447.829k to 17.913MHz generated by internal PLL)
Mode
CPU status
Main clock
Sleep mode
Turn off
Turn off
Idle mode
Turn off
Turn off
Green mode
Turn on
Turn off
Normal mode
Turn on
Turn on
Input port interrupt function
8 interrupt source , 4 external , 4 internal
Dual clocks operation (Internal PLL main clock , External 32.768KHz)
PROGRAMMING TONE GENERATORS
Operating voltage : 2.2V
5.5V
Programming Tone1 and Tone2 dual tone generators
11-bit programming Tone1 generators
8-bit programming Tone2 generator
COMPARATOR
Operating voltage : 2.7V ~ 5.5V
3-channel input
5-bit comparison reference level setting
Internal (2.5V or VDD) or external reference level
DAC
Operating : 2.7V
5.5V
8-bit R-2R D/A converter
8-bit programmable tone output
Easy to direct access as programmable CTCSS tone output by DAC tone generator
Internal (2.5V or VDD) or external reference level
32.768kHz clock status
Turn off
Turn on
Turn on
Turn on
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EMA2 | Emitter common (dual digital transistors) |
| EMA3 | Emitter common (dual digital transistors) |
| EMA4 | General purpose (dual digital transistors) |
| EMB4 | General purpose (dual digital transistors) |
| EMA5 | Emitter common (dual digital transistors) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM78569 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
| EM785830AA | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
| EM785830AAM | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
| EM785830AAP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
| EM785830AD | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
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