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參數(shù)資料
型號(hào)： W79E201A16PN
廠商： WINBOND ELECTRONICS CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT MICROCONTROLLER
中文描述： 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQCC44
封裝： ROHS COMPLIANT, PLASTIC, LCC-44
文件頁(yè)數(shù)： 3/87頁(yè)
文件大?。?/td> 818K
代理商： W79E201A16PN
W79E201
Publication Release Date: December 16, 2004
- 3 -
Revision A2
1. GENERAL DESCRIPTION
The W79E201 is a fast 8051 compatible microcontroller with a redesigned processor core without
wasted clock and memory cycles. The W79E201 contains In-System Programmable (ISP) 16 KB AP
Flash EPROM; 4KB LD Flash EPROM for loader program; a 256 bytes of RAM; one 8-bit digital or
analog input port (Port 1); three 8-bit bi-directional and bit-addressable I/O ports; an 1-bit port P4.0 for
external ISP reboot used; three 16-bit timer/counters; one serial ports. These peripherals are
supported by 8 sources two-level interrupt capability. To facilitate programming and verification, the
FLASH EPROM inside the W79E201 allows the program memory to be programmed and read
electronically. Once the code is confirmed, the user can protect the code for security. The W79E201 is
added 10-bit ADC with an 8 channel analog input with digital input port. Furthermore, the
W79E201A16LN, packaged in 48-pin LQFP, supports the in circuit emulation (ICE) function with
JTAG interface to the development tool. The W79E201 executes every 8051 instruction faster than
the original 8051 for the same crystal speed. Typically, the instruction executing time of W79E201 is
1.5 to 3 times faster than that of traditional 8051, depending on the type of instruction. In general, the
overall performance is about 2.5 times better than the original for the same crystal speed. Giving the
same throughput with lower clock speed, power consumption has been improved. Consequently, the
W79E201 is a fully static CMOS design; it can also be operated at a lower crystal clock.
2. FEATURES
Fully static design 8-bit Turbo 51 CMOS microcontroller up to 16MHz
16K bytes of in-system-programmable Flash EPROM (AP Flash EPROM)
4KB Auxiliary Flash EPROM for loader program (LD Flash EPROM)
256 bytes of on-chip RAM
Instruction-set compatible with MSC-51
On-chip debug function with JTGA interface to development tool
Three 8-bit bi-directional ports
Three 16-bit timer/counters
8 interrupt source with two levels of priority
One enhanced full duplex serial port with framing error detection and automatic address
recognition
Port 0 internal pull-up resistor optional
Programmable Watchdog Timer
6 channel PWM
Software programmable access cycle to external RAM/peripherals
10-bits ADC with 8 channel analog input or digital input port (At least 8-bits resolution guaranteed)
Packages:
PLCC 44: W79E201A16PN
QFP 44: W79E201A16FN
LQFP 48: W79E201A16LN
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