HomedatasheetW78E058DDG

W78E058DDG Datasheet

Embedded - Microcontrollers
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Description

The W78E058DDG is an 8-bit microcontroller which has an in-system programmable Flash EPROM forfirmware updating. The instruction set of the W78E058DDGis fully compatible with the standard 8052.The W78E058DDGcontains a 32K bytes of main ROM and a 4K bytes of auxiliary ROM which allows thecontents of the 32KB main ROM to be updated by the loader program located at the 4KB auxiliaryROM; 512 bytes of on-chip RAM; four 8-bit bi-directional and bit-addressable I/O ports; an additional4-bit port P4; three 16-bit timer/counters; a serial port. These peripherals are supported by a eightsources two-level interrupt capability. To facilitate programming and verification, the ROM inside W78E058DDGallows the program memory to be programmed and read electronically. Once the code isconfirmed, the user can protect the code for security.The W78E058DDGmicrocontroller 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 forcontinued peripheral operation. The power-down mode stops the crystal oscillator for minimum powerconsumption. The external clock can be stopped at any time and in any state without affecting theprocessor. W78E058DDG Features • Fully static design 8-bit CMOS microcontroller• 32K bytes of in-system programmable Flash EPROM for Application Program (APROM)• 4K bytes of auxiliary ROM for Loader Program (LDROM)• 512 bytes of on-chip RAM (including 256 bytes of AUX-RAM, software selectable)• 64K bytes program memory address space and 64K bytes data memory address space• Four 8-bit bi-directional ports• One 4-bit multipurpose programmable port• Three 16-bit timer/counters• One full duplex serial port• Eight-sources, two-level interrupt capability• Built-in power management• Code protection• Packaged in− Lead Free (RoHS) DIP 40:W78E058B40DL− Lead Free (RoHS) PLCC 44: W78E058B40PL− Lead Free (RoHS) PQFP 44: W78E058B40FL
Features

Parameters

[{"Name":"Core Size","Value":"8-Bit"},{"Name":"Speed","Value":"40MHz"},{"Name":"Number of I /O","Value":"36"},{"Name":"Program Memory Size","Value":"32KB (32K x 8)"},{"Name":"RAM Size","Value":"512 x 8"},{"Name":"Voltage - Supply (Vcc/Vdd)","Value":"4.5 V ~ 5.5 V"},{"Name":"Operating Temperature","Value":"0°C ~ 70°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

DIODES INCORPORATED

Diodes Incorporated is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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