參數(shù)資料
型號(hào)： W78E51C
廠商： WINBOND ELECTRONICS CORP
英文描述： 8 bit micocontroller
中文描述： 8位micocontroller
文件頁(yè)數(shù)： 3/23頁(yè)
文件大小： 302K
代理商： W78E51C
W78E51C
Publication Release Date: April 20, 2005
- 3 -
Revision A2
1. GENERAL DESCRIPTION
The W78E51C is an 8-bit microcontroller which can accommodate a wider frequency range with low
power consumption. The instruction set for the W78E51C is fully compatible with the standard 8051.
The W78E51C contains an 4K bytes Flash EPROM; a 128 bytes RAM; four 8-bit bi-directional and bit-
addressable I/O ports; an additional 4-bit I/O port P4; two 16-bit timer/counters; a hardware watchdog
timer and a serial port. These peripherals are supported by seven sources two-level interrupt
capability. To facilitate programming and verification, the Flash EPROM inside the W78E51C allows
the program memory to be programmed and read electronically. Once the code is confirmed, the user
can protect the code for security.
The W78E51C microcontroller has two power reduction modes, idle mode and power-down mode,
both of which are software selectable. The idle mode turns off the processor clock but allows for
continued peripheral operation. The power-down mode stops the crystal oscillator for minimum power
consumption. The external clock can be stopped at any time and in any state without affecting the
processor.
2. FEATURES
Fully static design 8-bit CMOS microcontroller
Wide supply voltage of 4.5V to 5.5V
128 bytes of on-chip scratchpad RAM
4 KB On-chip Flash EPROM
64 KB program memory address space
64 KB data memory address space
Four 8-bit bi-directional ports
One extra 4-bit bit-addressable I/O port, additional
INT2
/
INT3
(available on 44-pin PLCC/QFP package)
Two 16-bit timer/counters
One full duplex serial port(UART)
Watchdog Timer
Seven sources, two-level interrupt capability
EMI reduction mode
Built-in power management
Code protection mechanism
Packages:
DIP 40: W78E51C-40
PLCC 44: W78E51CP-40
PQFP 44: W78E51CF-40
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W78E51C_06 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
W78E51P-16 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
W78E51P-24 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
W78E51P-33 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
W78E51P-40 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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