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P87LPC762BN
This microcontroller is a cost-effective solution for applications requiring minimal power consumption and a small footprintP87LPC762BN
This microcontroller is a cost-effective solution for applications requiring minimal power consumption and a small footprint
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製造商零件號 # : P87LPC762BN
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包裝/封裝: DIP-20
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產品分類 : Microcontrollers
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P87LPC762BN 數據表
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詳細說明
One of the standout features of the P87LPC762BN is its power management capabilities. With low power consumption characteristics, this microcontroller is particularly well-suited for battery-powered or energy-efficient applications. This makes it an ideal choice for projects where power consumption is a critical factor and efficiency is paramount
主要特徵
- An accelerated 80C51 CPU provides instruction cycle times of 300–600ns for all instructions except multiply and divide when executing at 20 MHz. Execution at up to 20 MHz when VDD = 4.5 V to 6.0 V, 10 MHz when VDD = 2.7 V to 6.0 V.
- 2.7 V to 6.0 V operating range for digital functions.
- 2 kbytes EPROM code memory.
- 128 byte RAM data memory.
- 32-byte customer code EPROM allows serialization of devices, storage of setup parameters, etc.
- Two 16-bit counter/timers. Each timer may be configured to toggle a port output upon timer overflow.
- Two analog comparators.
- Full duplex UART.
- I2C communication port.
- Eight keypad interrupt inputs, plus two additional external interrupt inputs.
- Four interrupt priority levels.
- Watchdog timer with separate on-chip oscillator, requiring no external components. The watchdog timeout time is selectable from 8 values.
- Active low reset. On-chip power-on reset allows operation with no external reset components.
- Low voltage reset. One of two preset low voltage levels may be selected to allow a graceful system shutdown when power fails. May optionally be configured as an interrupt.
- Oscillator Fail Detect. The watchdog timer has a separate fully on-chip oscillator, allowing it to perform an oscillator fail detect function.
- Configurable on-chip oscillator with frequency range and RC oscillator options (selected by user programmed EPROM bits). The RC oscillator option allows operation with no external oscillator components.
- Programmable port output configuration options: quasi-bidirectional, open drain, push-pull, input-only.
- Selectable Schmitt trigger port inputs.
- LED drive capability (20 mA) on all port pins.
- Controlled slew rate port outputs to reduce EMI. Outputs have approximately 10 ns minimum ramp times.
- 15 I/O pins minimum. Up to 18 I/O pins using on-chip oscillator and reset options.
- Only power and ground connections are required to operate the 87LPC762 when fully on-chip oscillator and reset options are selected.
- Serial EPROM programming allows simple in-circuit production coding. Two EPROM security bits prevent reading of sensitive application programs.
- Idle and Power Down reduced power modes. Improved wakeup from Power Down mode (a low interrupt input starts execution). Typical Power Down current is 1 µA.
- 20-pin DIP, SO, and TSSOP packages.
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。
| Product Category ! | 8-bit Microcontrollers - MCU | Series | P87LPC762 |
| Mounting Style | Through Hole | Package / Case | DIP-20 |
| Core | 80C51 | Program Memory Size | 2 kB |
| Data Bus Width | 8 bit | ADC Resolution | No ADC |
| Maximum Clock Frequency | 20 MHz | Number of I/Os | 15 I/O |
| Data RAM Size | 128 B | Supply Voltage - Min | 2.7 V |
| Supply Voltage - Max | 6 V | Minimum Operating Temperature | 0 C |
| Maximum Operating Temperature ! | + 70 C | Brand | NXP Semiconductors |
| Height | 3.2 mm | Interface Type | I2C, UART |
| Length | 26.92 mm | Number of Timers/Counters | 2 Timer |
| Product Type ! | 8-bit Microcontrollers - MCU | Program Memory Type ! | EPROM |
| Factory Pack Quantity | 18 | Subcategory | Microcontrollers - MCU |
| Width | 6.4 mm | Part # Aliases | P87LPC762BN,112 |
| Unit Weight | 0.088502 oz |
Specification Comparison
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 P87LPC762BN?
The P87LPC762BN is a low-power, high-performance 8-bit microcontroller designed by NXP Semiconductors. It is ideal for applications requiring low power consumption, high integration, and cost-effective solutions, such as industrial control, consumer electronics, and home automation.
How Does P87LPC762BN Work?
The P87LPC762BN operates as a microcontroller with 8-bit processing capabilities, integrated peripherals, and low-power features. It executes program instructions, interfaces with external devices, and manages system functions to perform specific tasks. The microcontroller offers a balance of performance and power efficiency for various embedded applications.
How Many Pins does P87LPC762BN have and What are the Functions of the Pinout Configuration?
The P87LPC762BN is housed in a 40-pin DIP (Dual Inline Package) package. The pinout configuration includes:
- VDD: Positive power supply pin.
- VSS: Ground pin.
- XTAL1, XTAL2: Crystal oscillator input and output pins.
- RXD, TXD: Serial communication pins.
- T0, T1: Timer/counter pins.
- P0.0 - P0.7: General-purpose I/O pins.
- INT0, INT1: External interrupt pins.
- EA, ALE/PROG, PSEN: Program memory control pins.
What are the Pros and Cons of P87LPC762BN?
Pros:
- Low Power Consumption: Operates with low power, suitable for battery-powered applications.
- Integrated Peripherals: Offers integrated timers, serial communication, and I/O capabilities for system integration.
- Cost-Effective: Provides a cost-effective solution for embedded control applications.
- Wide Operating Voltage Range: Supports a wide operating voltage range, enhancing flexibility in power supply options.
Cons:
- 8-Bit Architecture: May have limitations in processing complex algorithms compared to higher-bit architectures.
- Limited Memory: The microcontroller may have limited program memory and RAM for certain applications.
- Peripheral Limitations: Integrated peripherals may have limitations in terms of speed and features compared to external components.
Are There Any Equivalents/Alternatives to P87LPC762BN for Recommendation?
- The PIC16F877A from Microchip Technology is a comparable 8-bit microcontroller with similar features.
- Alternatives to the P87LPC762BN include the AT89S52 from Atmel and the STC89C52RC from STMicroelectronics.
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