デザイン・ファイル
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80C51 8-Bit Microcontroller Family
The devices are Single-Chip 8-Bit Microcontrollers manufactured in an advanced CMOS process and are derivatives of the 80C51 microcontroller family. The instruction set is 100% compatible with the 80C51 instruction set.
The devices support 6-clock/12-clock mode selection by programming an OTP bit (OX2) using parallel programming. In addition, an SFR bit (X2) in the clock control register (CKCON) also selects between 6-clock/12-clock mode.
The devices also have 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 P87C51RA2/RB2/RC2/RD2 make it a powerful microcontroller for applications that require pulse width modulation, high-speed I/O and up/down counting capabilities such as motor control.
Outline 3d SOT187-2
製品詳細
ブロック図
Features
- 80C51 Central Processing Unit
- 8 kbytes OTP (87C51RA2)
- 16 kbytes OTP (87C51RB2)
- 32 kbytes OTP (87C51RC2)
- 64 kbytes OTP (87C51RD2)
- 512 byte RAM (87C51RA2/RB2/RC2)
- 1 kbyte RAM (87C51RD2)
- Boolean processor
- Fully static operation
- Low voltage (2.7 V to 5.5 V at 16 MHz) operation
- 12-clock operation with selectable 6-clock operation (via software or via parallel programmer)
- Memory addressing capability
- Up to 64 kbytes ROM and 64 kbytes RAM
- Power control modes:
- Clock can be stopped and resumed
- Idle mode
- Power-down mode
- CMOS and TTL compatible
- Two speed ranges at V CC = 5 V
- 0 to 30 MHz with 6-clock operation
- 0 to 33 MHz with 12-clock operation
- Parallel programming with 87C51 compatible hardware interface to programmer
- RAM expandable externally to 64 kbytes
- Programmable Counter Array (PCA)
- PWM
- Capture/compare
- PLCC, LQFP, or DIP package
- Extended temperature ranges
- Dual Data Pointers
- Security bits (3 bits)
- Encryption array - 64 bytes
- Seven interrupt sources
- 4 interrupt priority levels
- Four 8-bit I/O ports
- Full-duplex enhanced UART
- Framing error detection
- Automatic address recognition
- Three 16-bit timers/counters T0, T1 (standard 80C51) and additional T2 (capture and compare)
- Programmable clock-out pin
- Asynchronous port reset
- Low EMI (inhibit ALE, slew rate controlled outputs, and 6-clock mode)
- Wake-up from Power Down by an external interrupt
部品番号： P87C51RC2FA.
購入/パラメータ
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ドキュメント
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