PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 164

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

Specifications of PIC18F4431-E/PT

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Oscillator Type: Internal
• Core Processor: PIC
• 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 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
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
FIGURE 16-3:
DS39616B-page 162
Note 1: IC2 and IC3 are denoted as x=2 and 3.
CAP2/CAP3 Pin
2: CAP2BUF is enabled as POSCNT when QEI mode is active.
3: CAP3BUF is enabled as MAXCNT when QEI mode is active.
FLTCK<2:0>
Noise
Filter
3
INPUT CAPTURE BLOCK DIAGRAM FOR IC2 AND IC3
Prescaler
CAPxM<3:0>
1, 4, 16
4
(1)
Q clocks CAPxM<3:0>
Select
Mode
and
Capture Clock/
Reset/
Interrupt
Decode
Logic
Q’s
Preliminary
CAPxBUF_clk
Reset
(1)
ICxIF
(1)
(1)
TMR5
Enable
CAPxREN
 2003 Microchip Technology Inc.
CAPxBUF
TMR5
Timer
Reset
Control
(2)
(1,2,3)
TMR5 Reset
Capture
Clock