PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 174

• 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 18-1:
DS39616D-page 174
Note 1: Only PWM Generator 3 is shown in detail. The other generators are identical; their details are omitted for clarity.
Internal Data Bus
2: PWM Generator 3 and its logic, PWM Channels 6 and 7, and FLTB and its associated logic are not implemented on
8
8
8
8
8
8
8
8
8
PIC18F2331/2431 devices.
OVDCON<D/S>
PTPER Buffer
FLTCONFIG
PWMCON0
PWMCON1
Comparator
Comparator
SEVTCMP
DTCON
PTCON
PTPER
PTMR
POWER CONTROL PWM MODULE BLOCK DIAGRAM
8
SEVTDIR
PTDIR
PWM Enable and Mode
Dead-Time Control
Fault Pin Control
PWM Manual Control
PWM Generator #3
Generator 2
Generator 1
Generator 0
PDC3 Buffer
Comparator
PWM
PWM
PWM
PDC3
(1)
Special Event
Postscaler
Dead-Time Generator
Dead-Time Generator
Dead-Time Generator
Dead-Time Generator
and Override Logic
and Override Logic
and Override Logic
and Override Logic
Channel 3
Channel 2
Channel 1
Channel 0
Special Event Trigger
 2010 Microchip Technology Inc.
(2)
Output
Driver
Block
PWM7
PWM6
PWM5
PWM4
PWM3
PWM2
PWM1
PWM0
FLTA
FLTB
(2)
(2)
(2)