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參數(shù)資料
| 型號： | EM78P468NH |
| 廠商： | ELAN Microelctronics Corp . |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 5/82頁 |
| 文件大?。?/td> | 1491K |
| 代理商： | EM78P468NH |
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EM78P468N
8-BIT Microcontroller
Product Specification
(V1.2) 03.15.2005
(This specification is subject to change without further notice)
1
1 GENERAL DESCRIPTION
This LSI is an 8-bit RISC type microprocessor with high speed CMOS technology and
low power consumption. Integrated onto a single chip are on chip watchdog timer (WDT),
Data RAM, ROM, programmable real time clock counter, internal/external interrupt,
power down mode, LCD driver, infrared transmitter function, and tri-state I/O. The
EM78P468N provides multi-protection bits to protect against intrusion of user’s code in
the OTP memory and a seven option bits to accommodate user’s requirements. It also
provides an especial 13 bits customer ID option.
With its OTP-ROM feature, this LSI offers a convenient way of developing and verifying
user’s programs. Moreover, user developed code can be easily programmed with the
ELAN writer.
2 FEATURES
2.1 CPU
Operating voltage and temperature range:
z
Commercial: 2.2V ~ 5.5 V. (at 0
℃
~+70
℃
)
z
Industrial: 2.5V ~ 5.5 V. / (at -40
℃
~+85
℃
)
Operation speed: DC ~ 10MHz clock input.
Dual clock operation
z
High frequency oscillator can select among Crystal, RC, or PLL (phase lock
loop)
z
Low frequency oscillator can select between Crystal or RC mode
Totally 272 bytes SRAM
z
144 bytes general purpose register
z
128 bytes on chip data RAM
4K*13 bits OTP - ROM (One Time Programmable - Read Only Memory)
Up to 28 bi-directional tri-state I/O ports
z
Typically, 12 bi-directional tri-state I/O ports.
z
16 bi-directional tri-state I/O ports shared with LCD segment output pin.
8-level stack for subroutine nesting
8-bit real time clock/counter (TCC)
One infrared transmitter/PWM generator function
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