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EM78P5841 参数 Datasheet PDF下载

EM78P5841图片预览
型号: EM78P5841
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器 [8 BIT MICROCONTROLLER]
分类和应用: 微控制器
文件页数/大小: 48 页 / 467 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM78P5840/5841/5842  
8-bit Micro-controller  
I. General Description  
The EM78P5840 series are 8-bit RISC type microprocessor with low power, high speed CMOS technology. There  
are 4Kx13 bits Electrical One Time Programmable Read Only Memory (OTP-ROM) within it. It provides security bits  
and some One time programmable Option bits to protect the OTP memory code from any external access as well as to  
meet user’s options.  
This integrated single chip has an on_chip watchdog timer (WDT), program OTP-ROM, RAM, programmable real  
time clock/counter, internal interrupt, power down mode, dual PWM (Pulse Width Modulation), 8-channel 10-bit A/D  
converter and tri-state I/O.  
II. Feature  
CPU  
· Operating voltage : 2.2V~5.5V at main CLK less then 3.58MHz.  
Main CLK(Hz)  
Under 3.58M  
14.3M  
Operating Voltage(min)  
2.2V  
3.6V  
4k x 13 on chip Electrical One Time Programmable Read Only Memory (OTP-ROM)  
144 x 8 on chip general propose RAM  
Up to 19 bi-directional and 3 input only general purpose I/O  
8 level stack for subroutine nesting  
8-bit real time clock/counter (TCC)  
One 8-bit counter interrupt  
On-chip watchdog timer (WDT)  
99.9single instruction cycle commands  
Three action modes in Crystal mode (Main clock can be programmed to 3.58M or 14.3M Hz)  
Mode  
Sleep mode  
Green mode  
CPU status  
Turn off  
Turn on  
Main clock  
Turn off  
Turn off  
Turn on  
32.768kHz clock status  
Turn off  
Turn on  
Turn on  
Normal mode Turn on  
2 level Normal mode frequency: 3.58M and 14.3MHz.  
Input port interrupt function  
Dual clocks operation (Internal PLL main clock , External 32.768KHz)  
Operating frequency mode  
Crystal mode (XIN,XOUT pin connect external crystal and capacitance)  
ERIC mode (ERCI pin connect resister to VDD)  
IRC mode  
PWM  
Dual PWM (Pulse Width Modulation) with 10-bit resolution  
Programmable period (or baud rate)  
Programmable duty cycle  
ADC  
· Operating : 2.5V5.5V  
Converter Rate  
Operating Voltage(min)  
74.6K  
3.5V  
37.4K  
3.0V  
18.7K  
2.5V  
9.3K  
2.5V  
· 8 channel 10-bit successive approximation A/D converter  
· Internal (VDD) reference voltage  
POR  
· Power-on reset  
PACKAGE  
EM78P5840M Æ 18 pin SOP, EM78P5841M Æ 20 pin SOP, EM78P5842M Æ 24 pin SOP  
EM78P5840P Æ 18 pin PDIP, EM78P5841P Æ 20 pin PDIP, EM78P5842P Æ 24 pin PDIP  
__________________________________________________________________________________________________________________________________________________________________  
* This specification is subject to change without notice.  
3
2004/11/10 V2.6