Описание
This family of devices contain an enhanced mid-range 8-bit CPU core. The CPU has 49 instructions. Interrupt capability includes automatic context saving. The hardware stack is 16 levels deep and has Overflow and Underflow Reset capability. Direct, Indirect, and Relative addressing modes are available. Two File Select Registers (FSRs) provide the ability to read program and data memory. Automatic Interrupt Context Saving 16-level Stack with Overflow and Underflow File Select Registers Instruction Set
- High-Performance RISC CPU:
- C Compiler Optimized Architecture
- Only 49 Instructions
- Up to 8 Kwords Linear Program Memory Addressing
- Up to 512 bytes Linear Data Memory Addressing
- Operating Speed:
- DC – 20 MHz clock input
- DC – 200 ns instruction cycle
- Interrupt Capability with Automatic Context Saving
- 16-Level Deep Hardware Stack with Optional Overflow/Underflow Reset
- Direct, Indirect and Relative Addressing modes:
- Two full 16-bit File Select Registers (FSRs)
- FSRs can read program and data memory
- Flexible Oscillator Structure:
- 16 MHz Internal Oscillator Block:
- Factory calibrated to ±1%, typical
- Software selectable frequency range from 16 MHz to 31 kHz
- 31 kHz Low-Power Internal Oscillator
- Three External Clock modes up to 20 MHz
- Special Microcontroller Features:
- Operating Voltage Range:
- 1.8V to 3.6V (PIC16LF1508)
- 2.3V to 5.5V (PIC16F1508)
- Self-Programmable under Software Control
- Power-On Reset (POR)
- Power-up Timer (PWRT)
- Programmable Low-Power Brown-Out Reset (LPBOR)
- Extended Watchdog Timer (WDT):
- Programmable period from 1 ms to 256s
- Programmable Code Protection
- In-Circuit Serial Programming™ (ICSP™) via Two Pins
- Enhanced Low-Voltage Programming (LVP)
- In-Circuit Debug (ICD) via Two Pins
- Power-Saving Sleep mode:
- Low-Power Sleep mode
- Low-Power BOR (LPBOR)
- Integrated Temperature Indicator
- 128 Bytes High-Endurance Flash
- 100,000 write Flash endurance (minimum)
- Extreme Low-Power Management with XLP (PIC16LF1508/9):
- Standby Current:
- 20 nA @ 1.8V, typical
- Watchdog Timer Current:
- 260 nA @ 1.8V, typical
- Operating Current:
- 30 µA/MHz @ 1.8V, typical
- Secondary Oscillator Current:
- 700 nA @ 32 kHz, 1.8V, typical
- Peripheral Features:
- Analog-to-Digital Converter (ADC):
- 10-bit resolution
- 12 external channels
- Three internal channels:
- Fixed Voltage Reference
- Digital-to-Analog Converter (DAC)
- Temperature Indicator channel
- Auto acquisition capability
- Conversion available during Sleep
- 5-Bit Digital-to-Analog Converter (DAC):
- Output available externally
- Positive reference selection
- Internal connections to comparators and ADC
- Two Comparators:
- Rail-to-rail inputs
- Power mode control
- Software controllable hysteresis
- Voltage Reference:
- 1.024V Fixed Voltage Reference (FVR) with 1x, 2x and 4x Gain output levels
- 18 I/O Pins (1 Input-only Pin):
- High current sink/source 25 mA/25 mA
- Individually programmable weak pull-ups
- Individually programmable Interrupt-On-Change (IOC) pins
- Timer0: 8-Bit Timer/Counter with 8-Bit Programmable Prescaler
- Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Gate Input mode
- Timer2: 8-Bit Timer/Counter with 8-Bit Period Register, Prescaler and Postscaler
- Four 10-bit PWM modules
- Master Synchronous Serial Port (MSSP) with SPI and I2C™ with:
- 7-bit address masking
- SMBus/PMBus™ compatibility
