PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 186

• Manufacturer Part Number: PIC18F4431-E/ML
• Description: IC MCU FLASH 8KX16 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 9x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
FIGURE 18-9:
FIGURE 18-10:
DS39616D-page 186
New PTPER Value = 007
New PTPER Value = 007
Old PTPER Value = 004
Old PTPER Value = 004
PWM PERIOD BUFFER UPDATES IN FREE-RUNNING MODE
PWM PERIOD BUFFER UPDATES IN CONTINUOUS UP/DOWN COUNT MODE
0
0
1
1
2
2
3
3
4
Period Value Loaded from PTPER Register
4
3
New Value Written to PTPER Register
Period Value Loaded from PTPER Register
0
2
1
1
2
0
1
3
2
4
3
0
New Value Written to PTPER Register
4
1
5
2
6
3
7
4
6
 2010 Microchip Technology Inc.
5
5
4
6
3
7
2
1
0