P89C51RC2BA
8-bit microcontroller
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P89C51RC2BA 數據表
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詳細說明
The 89C51RB2/RC2/RD2 device contains a non-volatile 16kB/32kB/64kB Flash program memory that is both parallel programmable and serial In-System and In-Application Programmable. In-System Programming (ISP) allows the user to download new code while the microcontroller sits in the application. In-Application Programming (IAP) means that the microcontroller fetches new program code and reprograms itself while in the system. This allows for remote programming over a modem link. A default serial loader (boot loader) program in ROM allows serial In-System programming of the Flash memory via the UART without the need for a loader in the Flash code. For In-Application Programming, the user program erases and reprograms the Flash memory by use of standard routines contained in ROM. This device executes one machine cycle in 6 clock cycles, hence providing twice the speed of a conventional 80C51. An OTP configuration bit lets the user select conventional 12 clock timing if desired.This device is a Single-Chip 8-Bit Microcontroller manufactured in advanced CMOS process and is a derivative of the 80C51 microcontroller family. The instruction set is 100% compatible with the 80C51 instruction set.The device also has four 8-bit I/O ports, three 16-bit timer/event counters, a multi-source, four-priority-level, nested interrupt structure, an enhanced UART and on-chip oscillator and timing circuits.The added features of the P89C51RB2/RC2/RD2 makes it a powerful microcontroller for applications that require pulse width modulation, high-speed I/O and up/down counting capabilities such as motor control.FEATURES• 80C51 Central Processing Unit• On-chip Flash Program Memory with In-System Programming (ISP) and In-Application Programming (IAP) capability• Boot ROM contains low level Flash programming routines for downloading via the UART• Can be programmed by the end-user application (IAP)• 6 clocks per machine cycle operation (standard)• 12 clocks per machine cycle operation (optional)• Speed up to 20 MHz with 6 clock cycles per machine cycle (40 MHz equivalent performance); up to 33 MHz with 12 clocks per machine cycle• Fully static operation• RAM expandable externally to 64 kB• 4 level priority interrupt• 8 interrupt sources• Four 8-bit I/O ports• Full-duplex enhanced UART – Framing error detection – Automatic address recognition• Power control modes – Clock can be stopped and resumed – Idle mode – Power down mode• Programmable clock out• Second DPTR register• Asynchronous port reset• Low EMI (inhibit ALE)• Programmable Counter Array (PCA) – PWM – Capture/compare
主要特徵
- 80C51 Central Processing Unit
- On-chip Flash Program Memory with In-System Programming
- (ISP) and In-Application Programming (IAP) capability
- Boot ROM contains low level Flash programming routines for downloading via the UART
- Can be programmed by the end-user application (IAP)
- 6 clocks per machine cycle operation (standard)
- 12 clocks per machine cycle operation (optional)
- Speed up to 20 MHz with 6 clock cycles per machine cycle
- (40 MHz equivalent performance); up to 33 MHz with 12 clocks per machine cycle
- Fully static operation
- RAM expandable externally to 64 kB
- 4 level priority interrupt
- 8 interrupt sources
- Four 8-bit I/O ports
- Full-duplex enhanced UART
- – Framing error detection
- – Automatic address recognition
- Power control modes
- – Clock can be stopped and resumed
- – Idle mode
- – Power down mode
- Programmable clock out
- Second DPTR register
- Asynchronous port reset
- Low EMI (inhibit ALE)
- Programmable Counter Array (PCA)
- – PWM
- – Capture/compare
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。
Rohs Code | No | Part Life Cycle Code | Transferred |
Reach Compliance Code | not_compliant | HTS Code ! | 8542.31.00.01 |
Bit Size | 8 | CPU Family | 8051 |
JESD-30 Code | S-PQCC-J44 | JESD-609 Code | e0 |
Number of Terminals | 44 | Operating Temperature-Max | 70 °C |
Operating Temperature-Min | Package Body Material | PLASTIC/EPOXY | |
Package Code | QCCJ | Package Equivalence Code | LDCC44,.7SQ |
Package Shape | SQUARE | Package Style | CHIP CARRIER |
Power Supplies ! | 5 V | Qualification Status ! | Not Qualified |
RAM (bytes) | 512 | ROM (words) | 32768 |
ROM Programmability | FLASH | Speed | 33 MHz |
Supply Voltage-Nom | 5 V | Surface Mount ! | YES |
Technology | CMOS | Temperature Grade ! | COMMERCIAL |
Terminal Finish | Tin/Lead (Sn85Pb15) | Terminal Form ! | J BEND |
Terminal Pitch ! | 1.27 mm | Terminal Position | QUAD |
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。
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