參數(shù)資料
型號(hào)： W78E52
廠商： WINBOND ELECTRONICS CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT MTP Monitor Microcontroller(多次可編程的8位的監(jiān)視微控制器)
中文描述： 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PDIP40
封裝： DIP-40
文件頁(yè)數(shù)： 5/20頁(yè)
文件大?。?/td> 284K
代理商： W78E52
W78E52
Publication Release Date: October 1997
- 5 -
Revision A3
BLOCK DIAGRAM
SFR
Port 0
Port 1
Alternate
Port 2
CPU
Data Bus
Port 3
Alternate
Serial
Port
Timer 0
CORE
FLASH
EEPROM
8 K
Bytes
Interrupt
Timer 1
RAM
256
Bytes
Timer 2
INT 0
INT 1
FUNCTIONAL DESCRIPTION
The W78E52 architecture consists of a core controller surrounded by various registers, four general
purpose I/O ports, 256 bytes of RAM, three timer/counters, and a serial port. The processor supports
111 different opcodes and references both a 64K program address space and a 64K data storage
space.
Timers 0, 1, and 2
Timers 0, 1, and 2 each consist of two 8-bit data registers. These are called TL0 and TH0 for Timer 0,
TL1 and TH1 for Timer 1, and TL2 and TH2 for Timer 2. The TCON and TMOD registers provide
control functions for timers 0 and 1. The T2CON register provides control functions for Timer 2.
RCAP2H and RCAP2L are used as reload/capture registers for Timer 2.
The operations of Timer 0 and Timer 1 are the same as in the W78C51. Timer 2 is a special feature
of the W78E52: it is a 16-bit timer/counter that is configured and controlled by the T2CON register.
Like Timers 0 and 1, Timer 2 can operate as either an external event counter or as an internal timer,
depending on the setting of bit C/T2 in T2CON. Timer 2 has three operating modes: capture, auto-
reload, and baud rate generator. The clock speed at capture or auto-reload mode is the same as that
of Timers 0 and 1.
相關(guān)PDF資料
PDF描述
W78E56B 8-BIT Microcontroller(8位的微控制器)
W78E516BP-24 8-BIT MICROCONTROLLER
W78E516BP-40 8-BIT MICROCONTROLLER
W78E516 8-BIT MICROCONTROLLER
W78E516B 8-BIT MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W78E52-16 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
W78E52-24 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
W78E52-33 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
W78E52-40 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
W78E52B 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER
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