PIC16LF1904 Datasheet, PDF (3/288 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC16LF1904/6/7
28/40/44-Pin 8-Bit Flash Microcontrollers with nanoWatt XLP Technology
High-Performance RISC CPU:
• C Compiler Optimized Architecture
• Only 49 Instructions
• Up to 14 Kbytes Self-Write/Read Flash Program
Memory Addressing
• Up to 256 Bytes Data Memory Addressing
• Operating Speed:
- DC – 20 MHz clock input @ 3.6V
- DC – 16 MHz clock input @ 1.8V
- 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:
- Accuracy to ± 3%, typical
- Software selectable frequency range from
16 MHz to 31.25 kHz
• 31 kHz Low-Power Internal Oscillator
• Three External Clock modes up to 20 MHz
• Two-Speed Oscillator Start-up
• Low-Power RTC Implementation via LPT1OSC
Special Microcontroller Features:
• Operating Voltage Range:
- 1.8V-3.6V
• Self-Programmable under Software Control
• Power-on Reset (POR)
• Power-up Timer (PWRT)
• Low-Power Brown-Out Reset (LPBOR)
• Extended Watchdog Timer (WDT)
• In-Circuit Serial Programming™ (ICSP™) via
Two Pins
• In-Circuit Debug (ICD) via Two Pins
• Enhanced Low-Voltage Programming (LVP)
• Programmable Code Protection
• Power-Saving Sleep mode
Extreme Low-Power Management
PIC16LF1904/6/7 with nanoWatt XLP:
• Sleep mode: 30 nA @ 1.8V, typical
• Watchdog Timer: 300 nA @ 1.8V, typical
• Timer1 Oscillator: 500 nA @ 1.8V, typical
Analog Features:
• Analog-to-Digital Converter (ADC):
- 10-bit resolution, up to 14 channels
- Conversion available during Sleep
- Dedicated ADC RC oscillator
- Fixed Voltage Reference (FVR) as channel
• Integrated Temperature Indicator
• Voltage Reference module:
- Fixed Voltage Reference (FVR) with 1.024V
and 2.048V output levels
Peripheral Highlights:
• Up to 36 I/O Pins and 1 Input-only Pin:
- High current 25 mA sink/source
- Individually programmable weak pull-ups
- Individually programmable interrupt-on-
change (IOC) pins
• Integrated LCD Controller:
- At least 19 segment pins and as many as 116
total segments
- Variable clock input
- Contrast control
- Internal voltage reference selections
• Timer0: 8-Bit Timer/Counter with 8-Bit
Programmable Prescaler
• Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Gate Input mode
- Dedicated low-power 32 kHz oscillator driver
• Enhanced Universal Synchronous Asynchronous
Receiver Transmitter (EUSART):
- RS-232, RS-485 and LIN compatible
- Auto-Baud Detect
- Auto-wake-up on start
 2011 Microchip Technology Inc.
Preliminary
DS41569A-page 3