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參數(shù)資料
| 型號： | EM73200 |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 4-Bit Micro-Controller for General Purpose Product(用于家用電器，消費類產(chǎn)品和玩具控制器的工作電壓4.5V-5.5V，2.7V-3.3V的4位微控制器) |
| 中文描述： | 4位微產(chǎn)品的通用控制器（用于家用電器，消費類產(chǎn)品和玩具控制器的工作電壓至4.5V至5.5V，2.7 - 3.3的4位微控制器） |
| 文件頁數(shù)： | 12/30頁 |
| 文件大小： | 157K |
| 代理商： | EM73200 |
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* This specification are subject to be changed without notice.
7.17.1998
EM73200
4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT
CLOCK AND TIMING GENERATOR FUNCTION
The frequency of fc is the oscillation frequency for XIN, XOUT by crystal ( resonator) or for CLK by RC
osc.
When CPU sleeps, the XOUT pin will be in "high" state .
When user chooses RC osc, XOUT pin is no used .
The instruction cycle equal 8 basic clock fc.
1 instructure cycle = 8 / fc
TIMING GENERATOR AND TIME BASE
The timing generator produces the system clock from basic clock pulse which can be normal mode or slow
mode clock.
1 instruction cycle = 8 basic clock pulses
There are 22 stages time base .
Prescaler
When working in the single clock mode, the timebase clock source is come from fc that is RC oscillation.
Time base provides basic frequency for following function:
1. TBI (time base interrupt) .
2. Timer/counter, internal clock source.
3. Warm-up time for sleep - mode releasing.
TIME BASE INTERRUPT (TBI )
The time base can be used to generate a fixed frequency interrupt . There are 8 kinds of frequencies can be
selected by setting "25"
Single clock mode
P25 3
2
1
0
( initial value 0000 )
0 0 x x: Interrupt disable
0 1 0 0: Interrupt frequency XIN / 2
10
Hz
0 1 0 1: Interrupt frequency XIN / 2
11
Hz
0 1 1 0: Interrupt frequency XIN / 2
12
Hz
0 1 1 1: Interrupt frequency XIN / 2
13
Hz
1 1 0 0: Interrupt frequency XIN / 2
9
Hz
1 1 0 1: Interrupt frequency XIN / 2
8
Hz
1 1 1 0: Interrupt frequency XIN / 2
15
Hz
1 1 1 1: Interrupt frequency XIN / 2
17
Hz
1 0 x x: Reserved
XIN/CLK
XOUT
Crystal connection
XIN/CLK
XOUT
RC connection
fc
Binary counter
1 2 3
4
5 6 7 8 9 10 11 12 13
22
21
20
19
18
17
16
15
14
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM73201 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT |
| EM73201AP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT |
| EM73201BK | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT |
| EM73201CP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT |
| EM7320FP16AS-10L | 制造商:EMLSI 制造商全稱:Emerging Memory & Logic Solutions Inc 功能描述:128K x8 bit Super Low Power and Low Voltage Full CMOS Static RAM |
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