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P87C51SBAA
+BOMIC MCU 8BIT 4KB OTP 44PLCC
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メーカーロチェスターエレクトロニクスLLC
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メーカー品番 #P87C51SBAA
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データシート P87C51SBAA DataSheet
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パッケージ SOT187-2
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在庫状況2594
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package / Case | Bulk |
| Series | 87C |
| Part Status | Active |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | EBI/EMI, UART/USART |
| Peripherals | POR |
| Number of I/O | 32 |
| Program Memory Size | 4KB (4K x 8) |
| Program Memory Type | OTP |
| RAM Size | 128 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Oscillator Type | Internal |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
Key features include two 16-bit timers/counters, a full-duplex serial communication interface, and multiple interrupt sources. The P87C51SBAA also supports power-saving modes, which help optimize energy usage in battery-powered devices. Additionally, it includes programmable clock inputs and outputs, enhancing its flexibility for various applications.
Overall, the P87C51SBAA is a reliable choice for developers seeking a robust microcontroller with ample processing power and peripheral support, ideal for applications like industrial automation, consumer electronics, and automotive systems.
Equivalent
Features
1. CPU Core: Based on the 8-bit 8051 architecture.
2. Memory: Typically includes 32 KB of on-chip EPROM and 256 bytes of RAM.
3. I/O Ports: Equipped with 32 I/O lines across four 8-bit ports.
4. Timers/Counters: Features two 16-bit timers/counters for precise event management.
5. Serial Communication: Supports full-duplex UART for serial communication.
6. Interrupts: Offers five interrupt sources with two priority levels.
7. Clock Speed: Operates at a maximum frequency of 12 MHz.
8. Power Saving Modes: Includes power-down and idle modes to conserve energy.
9. Watchdog Timer: Provides a watchdog timer for system reliability.
10. Operating Voltage: Typically runs on a 5V power supply.
These features make the P87C51SBAA suitable for various applications including consumer electronics, automotive systems, and industrial control systems.
Pinout
1. Port 0 (P0.0 to P0.7): 8-bit open-drain bi-directional I/O port, also serves as a multiplexed address and data bus for external memory.
2. Port 1 (P1.0 to P1.7): 8-bit bi-directional I/O port with internal pull-ups.
3. Port 2 (P2.0 to P2.7): 8-bit bi-directional I/O port with internal pull-ups, also serves as the high-order address byte during external memory access.
4. Port 3 (P3.0 to P3.7): 8-bit bi-directional I/O port with additional functions like serial communication, interrupts, and timer inputs.
5. RST (Reset): Resets the microcontroller.
6. ALE (Address Latch Enable): Used in external memory interfacing.
7. PSEN (Program Store Enable): Used for external program memory.
8. EA (External Access): Determines whether code is fetched from internal or external program memory.
9. XTAL1 and XTAL2: Connect to external oscillator or crystal for clock input.
These pins facilitate various functions, including general-purpose I/O, interfacing, and control operations.