PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 36

• 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 3-1:
FIGURE 3-2:
DS39616B-page 34
OSC1
CPU
Clock
Peripheral
Clock
Sleep
Program
Counter
CPU Clock
PLL Clock
Peripheral
Note 1: T
Program
Counter
Output
OSC1
Clock
Q1
Q2
PC
OST
Q3
Wake Event
Q4
= 1024 T
PC
TIMING TRANSITION FOR ENTRY TO SLEEP MODE
TRANSITION TIMING FOR WAKE FROM SLEEP (HSPLL)
Q1
OSC
T
OST
; T
(1)
PLL
= 2 ms (approx). These intervals are not shown to scale.
T
OSTS bit Set
PLL (1)
Q1 Q2 Q3 Q4 Q1 Q2
Preliminary
PC + 2
PC + 2
PC + 4
Q3 Q4 Q1 Q2
PC + 6
Q3 Q4
 2003 Microchip Technology Inc.
Q1 Q2 Q3 Q4
PC + 8