نظرة عامة على المنتج
The PIC16F688-I/SL from Microchip Technology is a 14-pin 8-bit PIC16 mid-range flash microcontroller with 7 KB Flash, 256 bytes SRAM, and 256 bytes EEPROM. Running at up to 20 MHz with nanoWatt technology, it features a 10-bit ADC (8 channels), dual comparators with programmable voltage reference, and an Enhanced USART supporting LIN/RS-485/RS-232 in a compact SOIC-14 package. Ideal for cost-sensitive sensor and control applications.
المواصفات الرئيسية
| الأساسيات | PIC16 mid-range (8-bit RISC, 35 instructions) |
| الحد الأقصى لتردد الساعة | 20 MHz (200 ns instruction cycle) |
| Flash Memory | 7 KB (4096 words × 14 bits) |
| SRAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Operating Voltage | 2.0V to 5.5V |
| GPIO | 12 |
| ADC | 10-bit, 8 channels |
| Comparators | 2 (with programmable on-chip CVREF) |
| التواصل | 1× EUSART (RS-232, RS-485, LIN 2.0/2.1, auto-baud, auto-wake) |
| المؤقتات | 1× 8-bit (Timer0), 1× 16-bit (Timer1 with gate) |
| Internal Oscillator | 8 MHz to 125 kHz, factory calibrated ±1% |
| درجة حرارة التشغيل | -40°C to +85°C (I grade) |
| الحزمة | SOIC-14 (8.65×3.9 mm) |
الميزات
- nanoWatt technology: 50 nA standby, 11 µA @ 32 kHz/2V, 220 µA @ 4 MHz/2V
- Only 35 single-word instructions, 8-level hardware stack
- Factory-calibrated internal oscillator: ±1% accuracy
- Dual comparators with programmable on-chip voltage reference (CVREF)
- EUSART with LIN 2.0/2.1, RS-485, RS-232, auto-baud detect, auto-wake on start bit
- Interrupt-on-change pins with individual weak pull-ups
- Ultra-low-power wake-up capability
- ICSP programming via 2 pins
التطبيقات
- Industrial sensor nodes and digital voltage meters
- Smart appliance controllers with LIN bus
- Battery-powered portable instruments
- Automotive sub-system controllers
- Simple motor and actuator control