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參數(shù)資料
| 型號： | EM78P447SAS |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 8-BIT MICRO-CONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 4/55頁 |
| 文件大?。?/td> | 1730K |
| 代理商： | EM78P447SAS |
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EM78P447S
OTP ROM
2. FEATURES
Operating voltage range: 2.3V~5.5V.
Operating temperature range: 0
°
C~70
°
C.
Operating frequency range( base on 2 clocks)
* Crystal mode: DC~20MHz at 5V, DC~8MHz at 3V, DC~4MHz at 2.3V.
* RC mode: DC~4MHz at 5V, DC~4MHz at 3V, DC~4MHz at 2.3V.
Low power consumption:
* Less then 2.2 mA at 5V/4MHz
* Typically 30
μ
A, at 3V/32KHz
* Typically 1
μ
A, during sleep mode
4K
×
13 bits on chip ROM
One security register to prevent intrusion of OTP memory codes
One configuration register to accommodate user’s requirements
148
×
8 bits on chip registers(SRAM, general purpose register)
3 bi-directional I/O ports
5 level stacks for subroutine nesting
8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt
Two clocks per instruction cycle
Power down (SLEEP) mode
Two available interruptions
* TCC overflow interrupt
* External interrupt
Programmable free running watchdog timer
10 programmable pull-high pins
2 programmable open-drain pins
2 programmable R-option pins
Package types:
* 28 pin DIP 600 mil
: EM78P447SAP
* 28 pin SOP (SOIC) 300 mil : EM78P447SAM
* 28 pin SSOP 209 mil : EM78P447SAS
* 32 pin DIP 600 mil
: EM78P447SBP
* 32 pin SOP (SOIC) 450 mil : EM78P447SBWM
This specification is subject to change without prior notice.
06.25.2003 (V1.1)
4
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