PIC18F2431-E/SO Microchip Technology, PIC18F2431-E/SO Datasheet - Page 38

• Manufacturer Part Number: PIC18F2431-E/SO
• Description: IC MCU FLASH 8KX16 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2431-E/SO

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• 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: 24
• 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 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SOIC (7.5mm Width)
• Controller Family/series: PIC18
• No. Of I/o's: 24
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3-DB18F4431 - BOARD DAUGHTER ICEPIC3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
FIGURE 3-1:
FIGURE 3-2:
DS39616C-page 36
Peripheral
Program
Counter
OSC1
Sleep
Clock
Clock
CPU
Note 1: T
CPU Clock
PLL Clock
Peripheral
Program
Counter
Output
OSC1
Clock
Q1
Q2
OST
PC
Q3
= 1024 T
Wake Event
Q4
TIMING TRANSITION FOR ENTRY TO SLEEP MODE
TRANSITION TIMING FOR WAKE FROM SLEEP (HSPLL)
Q1
OSC
T
OST
; T
PC
PLL
(1)
= 2 ms (approx). These intervals are not shown to scale.
T
PLL
OSTS bit Set
(1)
Q1 Q2 Q3 Q4 Q1 Q2
Preliminary
PC + 2
PC + 2
PC + 4
Q3 Q4 Q1 Q2
PC + 6
Q3 Q4
© 2007 Microchip Technology Inc.
Q1 Q2 Q3 Q4
PC + 8