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參數(shù)資料
| 型號(hào)： | EM78247A |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 8-Bit Micro-Controller for General-Purpose Product(帶2K × 13片上ROM，工作電壓2.5V-5.5V的8位微控制器) |
| 中文描述： | 8位微控制器的通用產(chǎn)品（帶2K × 13片上ROM的，工作電壓為2.5V至5.5V的8位微控制器） |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 284K |
| 代理商： | EM78247A |
1
* This specification are subject to be changed without notice.
EM78247A/447A
8-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT
9.30.1997
GENERAL DESCRIPTION
The EM78247A/447A is an 8-bit microprocessor with low-power, high speed CMOS technology.
Integrated onto a single chip are on-chip watchdog timer (WDT), RAM, ROM, programmable real time clock/
counter, power down mode and bi-directional tri-state I/O ports.
FEATURES
Operating voltage range : 2.5V ~ 5.5V
Available in temperature range: 0
°
C ~ 70
°
C.
Operating frequency range :
Crystal Type :
RC Type :
2K x 13 on chip ROM (EM78247A), or
4K x 13 on chip ROM (EM78447A)
9 special function registers
148
×
8 general purpose registers (SRAM)
3 bi-directional tri-state I/O ports (20 I/O pins)
5 level stack for subroutine nesting
8-bit real time clock/counter (TCC) with selective signal sources and trigger edges, and with overflow
interrupt
Selectable oscillator options:
XTAL1 type (High frequency)
XTAL2 type (32.768KHz)
RC type
External clock input
Two oscillator periods per instruction cycle
Power down mode
Programmable wake up from sleep circuit on I/O ports
Programmable free running on-chip watchdog timer
Ten pull-up and wake-up pins
Two open-drain pins
Two R-option pins
Interrupt function available
28 pin DIP, SOIC, 28 pin SSOP
DC ~ 20MHz at 5V
DC ~ 4MHzat 5V
DC ~ 8MHzat 3V
DC ~ 4MHzat 3V
Patent Number : 61007 (R.O.C)
Patent Pending : 83216083 (R.O.C)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EM78447A | 8-Bit Micro-Controller for General-Purpose Product(帶4K × 13片上ROM，工作電壓2.5V-5.5V的8位微控制器) |
| EM78247B | 8-Bit Micro-Controller for General-Purpose Product(帶2K × 13片上ROM，工作電壓2.5V-5.5V的8位微控制器) |
| EM78447B | 8-Bit Micro-Controller for General-Purpose Product(帶4K × 13片上ROM，工作電壓2.5V-5.5V的8位微控制器) |
| EM78248 | 8-Bit Micro-Controller for General-Purpose Product(帶2K × 13片上ROM，工作電壓4.5V-5.5V的8位微控制器) |
| EM78448 | 8-Bit Micro-Controller for General-Purpose Product(帶4K × 13片上ROM，工作電壓4.5V-5.5V的8位微控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM78257A/B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit MCU for General Purpose Product |
| EM782SP16A | 制造商:EMLSI 制造商全稱:Emerging Memory & Logic Solutions Inc 功能描述:512K x 16Bit Multiplexed Single Transistor RAM |
| EM782SP16A-10L | 制造商:EMLSI 制造商全稱:Emerging Memory & Logic Solutions Inc 功能描述:512K x 16Bit Multiplexed Single Transistor RAM |
| EM782SP16A-10LL | 制造商:EMLSI 制造商全稱:Emerging Memory & Logic Solutions Inc 功能描述:512K x 16Bit Multiplexed Single Transistor RAM |
| EM782SP16A-10S | 制造商:EMLSI 制造商全稱:Emerging Memory & Logic Solutions Inc 功能描述:512K x 16Bit Multiplexed Single Transistor RAM |
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