PIC16F1939-E/ML Microchip Technology, PIC16F1939-E/ML Datasheet - Page 5

• Manufacturer Part Number: PIC16F1939-E/ML
• Description: 28KB Flash, 1KB RAM, 256B EEPROM, LCD, 1.8-5.5V 44 QFN 8x8x0.9mm TUBE
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1939-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 28KB (16K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Programmable Switch Mode Controller (PSMC)
motor and lighting control.
Key Features
■
■
■
■
■
■
■
■
■
■
Benefits
■
■
Example: LED Buck Converter
■
■
Available on the following PIC microcontrollers: PIC16F178X.
8-bit Peripheral Highlights
64 MHz operation independent of system clock
Single PWM with up to 6 steerable outputs
Complimentary PWM with up to 3 steerable
output pairs
Push-pull PWM with full and half-bridge support
Pulse Skipping PWM with/without complimentary
outputs
3-phase PWM drive
Fixed Duty Cycle PWM mode
– Fractional Adjust for better average PWM
Brushed DC motor with forward/reverse support
Individual output enables/polarity/dead band
control
Burst Mode
– Allows external signals to activate/de-activate
– Gated oscillator supply
– Dimming control
Customizable high speed PWM with increased
resolution and control
Simplifies the implementation of applications
such as: motor control, lighting and power
supplies
Increased frequency control with dead-band control for the synchronous switches
Provides auto shut down, polarity control and increased duty cycle performance
resolution
the PWM signals
Example Applications
■
■
■
■
■
■
■
■
■
Power Supplies
DC/DC Converters (Power Bricks)
Power Factor Correction
LCD Backlighting
LED Lighting
Automotive Head and Tail Lamps
High Intensity Discharge (HID)
Lighting
Lamp Ballasts
Signal Conditioning
–
Advanced PWM capabilities for power supplies,
■
■
■
■
■
Motor Control
– 3-phase Motors, BLDC,
Sensors – Medical,
Temperature, Pressure
Battery Monitoring,
Advanced Battery Charging
General Purpose Applications
Requiring High Resolution PWM
AC Induction
www.microchip.com/8bit
5