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參數(shù)資料
| 型號(hào)： | EM78P451 |
| 英文描述： | Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Protection Features; Temperature Range: 0°C to 70°C; Package: 16-QFN |
| 中文描述： | 8位微控制器的通用產(chǎn)品[英文] |
| 文件頁數(shù)： | 12/52頁 |
| 文件大?。?/td> | 1287K |
| 代理商： | EM78P451 |
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EM78P451
OTP ROM
This specification is subject to change without prior notice.
2002/03/01
2
2. FEATURES
Operating voltage range: 2.3V~5.5V.
Operating temperature range: 0
°C~70°C.
Operating frequency rang (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 3 mA at 5V/4MHz
* Typically 10
A during sleep mode
Serial Peripheral Interface (SPI) available.
4K
× 13 bits on chip ROM (EM78P451).
11 special function registers.
140
× 8 bits on chip general-purposed registers.
5 bi-directional I/O ports (35 I/O pins).
3 LED direct sinking pins with internal serial resistors.
Built-in RC oscillator with external serial resistor, ±10% variation.
Built-in power-on reset.
5 stacks for subroutine nesting.
8-bit real time clock/counter (TCC) with overflow interrupt.
Two machine clocks or four machine clocks per instruction cycle.
Power down mode.
Programmable wake up from sleep circuit on I/O ports.
Programmable free running on-chip watchdog timer.
12 wake-up pins.
2 open-drain pins.
2 R-option pins.
32 programmable pull-high input pins.
Packages:
* 40 pin DIP 600mil
: EM78P451P.
* 44 pin QFP
: EM78P451AQ.
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