The AT89S4051 is a low-voltage, high-performance CMOS 8-bit microcontroller with 4K bytes of In-System Programmable (ISP) Flash program memory. The AT89S4051 is manufactured using Atmel's high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89S4051 is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications. Moreover, the AT89S4051 is designed to be function compatible with the AT89C4051 device, respectively.
AT89S4051 特性
- Compatible with MCS®51 Products
- 2.7V to 5.5V Operating Range
- Fully Static Operation: 0 Hz to 24 MHz (x1 and x2 Modes)
- Two-level Program Memory Lock
- 256 x 8-bit Internal RAM
- 15 Programmable I/O Lines
- Two 16-bit Timer/Counters
- Six Interrupt Sources
- Programmable Serial UART Channel
- Direct LED Drive Outputs
- On-chip Analog Comparator with Selectable Interrupt
- 8-bit PWM (Pulse-width Modulation)
- Low Power Idle and Power-down Modes
- Brownout Reset
- Enhanced UART Serial Port with Framing Error Detection and Automatic Address Recognition
- Internal Power-on Reset
- Interrupt Recovery from Power-down Mode
- Programmable and Fuseable x2 Clock Option
- Four-level Enhanced Interrupt Controller
- Power-off Flag
AT89S4051 参数AT89S4051 存储器 |
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Flash (Kbytes) | 4 |
RAM (Bytes) | 256 |
AT89S4051 其他参数 |
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ISP | SPI |
Fmax (MHz) | 24 |
Vcc (V) | 2.7-5.5 |
I/O Pins | 15 |
UART | 1 |
16-bit Timers | 2 |
AT89S4051 封装类型 |
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PDIP20, SOIC20 |
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