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 100pct 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.
These devices have either one or two I²C interfaces, capable of handling speeds up to 400 kbits/s (Fast I²C). They 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 P8xC66xX2 make it a powerful microcontroller for applications that require pulse width modulation, high-speed I/O, I²C communication, and up/down counting capabilities such as motor control.
sot389-1_3d
製品詳細
ブロック図
Features
- 80C51 Central Processing Unit
- 16 kbytes OTP (87C660X2, 87C661X2)
- 16 kbytes ROM (83C660X2, 83C661X2)
- 512 byte RAM
- 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 VCC = 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 and LQFP packages
- Extended temperature ranges
- Dual Data Pointers
- Security bits (3 bits)
- Encryption array - 64 bytes
- 8/9 interrupt sources
- Four interrupt priority levels
- Four 8-bit I/O ports
- One I²C serial port interface has a selectable data transfer mode, either 400 kB/sec Fast-mode or 100 kB/sec Standard-mode (8xC660X2 and 8xC661X2)
- A second I 2 C serial port interface has the 400 kB/sec Fast data-transfer mode only and selectable slew rate control of the output pins (8xC661X2)
- Full-duplex enhanced UART
- Framing error detection
- Automatic address recognition
- Three 16-bit timers/counters T0, T1 (standard 80C51) and
- 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
購入/パラメータ
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