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W78E065A40PL
RoHS Compliant Plastic Microcontroller
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W78E065A40PL 數據表
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詳細說明
GENERAL DESCRIPTIONThe W78E051C is an 8-bit microcontroller which can accommodate a wider frequency range with low power consumption. The instruction set for the W78E051C is fully compatible with the standard 8051. The W78E051C 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 W78E051C allows the program memory to be programmed and read electronically. Once the code is confirmed, the user can protect the code for security.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: − Lead Free (RoHS) DIP 40: W78E051C40DL − Lead Free (RoHS) PLCC 44: W78E051C40PL − Lead Free (RoHS) PQFP 44: W78E051C40FL
主要特徵
- 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:
- − Lead Free (RoHS) DIP 40: W78E051C40DL
- − Lead Free (RoHS) PLCC 44: W78E051C40PL
- − Lead Free (RoHS) PQFP 44: W78E051C40FL
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Pbfree Code | Yes | Rohs Code | Yes |
| Part Life Cycle Code | Obsolete | Part Package Code | LCC |
| Pin Count ! | 44 | Reach Compliance Code | compliant |
| ECCN Code | 3A991.A.2 | HTS Code ! | 8542.31.00.01 |
| Has ADC | NO | Address Bus Width ! | 16 |
| Bit Size | 8 | Clock Frequency-Max | 40 MHz |
| DAC Channels | NO | DMA Channels | NO |
| External Data Bus Width | 8 | JESD-30 Code | S-PQCC-J44 |
| JESD-609 Code | e3 | Length | 16.59 mm |
| Number of I/O Lines | 36 | Number of Terminals | 44 |
| Operating Temperature-Max | 70 °C | Operating Temperature-Min | |
| PWM Channels | YES | Package Body Material | PLASTIC/EPOXY |
| Package Code | QCCJ | Package Shape | SQUARE |
| Package Style | CHIP CARRIER | Qualification Status ! | Not Qualified |
| ROM Programmability | FLASH | Seated Height-Max | 4.699 mm |
| Speed | 40 MHz | Supply Voltage-Max | 5.5 V |
| Supply Voltage-Min | 4.5 V | Supply Voltage-Nom | 5 V |
| Surface Mount ! | YES | Technology | CMOS |
| Temperature Grade ! | COMMERCIAL | Terminal Finish | MATTE TIN |
| Terminal Form ! | J BEND | Terminal Pitch ! | 1.27 mm |
| Terminal Position | QUAD | Width | 16.59 mm |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is W78E065A40PL?
The W78E065A40PL is an 8-bit microcontroller (MCU) manufactured by Winbond Electronics. It is part of the 8051-compatible MCU family and is commonly used in various embedded systems, industrial control, and automotive applications.
How Does W78E065A40PL Work?
The W78E065A40PL functions as a control unit in embedded systems, executing user-programmed instructions to perform specific tasks. It features a CPU core based on the 8051 architecture, along with integrated peripherals such as timers, UART, and I/O ports for interfacing with external devices.
How Many Pins does W78E065A40PL have and What are the Functions of the Pinout Configuration?
The W78E065A40PL is available in a 40-pin PDIP (Plastic Dual In-Line Package) or PLCC (Plastic Leaded Chip Carrier) package. The pinout configuration typically includes:
- VCC, GND: Power supply pins.
- P0-P3: General-purpose I/O pins.
- XTAL1, XTAL2: Crystal oscillator input and output pins.
- RXD, TXD: UART communication pins.
- T0, T1: Timer input/output pins.
- INT0, INT1: External interrupt pins.
- EA/VPP, ALE, PSEN, RST: Special function pins for programming and addressing.
What are the Pros and Cons of W78E065A40PL?
Pros:
- 8051 Compatible: Offers compatibility with the popular 8051 instruction set, facilitating easy code development.
- Integrated Peripherals: Includes built-in timers, UART, and I/O ports for versatile interfacing capabilities.
- Cost-Effective: Provides a cost-effective MCU solution for various embedded applications.
- Industry Standard: Widely used and supported in the industry with abundant resources and tools available.
Cons:
- Low Processing Power: Limited by its 8-bit architecture, may not be suitable for highly complex computations.
- Limited Memory: Has limited program memory and RAM compared to modern microcontrollers.
- Obsolete Technology: The 8051 architecture may be considered outdated for some advanced applications.
Are There Any Equivalents/Alternatives to W78E065A40PL for Recommendation?
Some equivalents or alternatives to the W78E065A40PL include:
- AT89C51CC03 from Microchip Technology.
- STC89C52RC from STMicroelectronics.
- Samsung KS88C0016 from Samsung Electronics.