PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 29

• 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

FIGURE 2-8:
 2003 Microchip Technology Inc.
T1OSO
T1OSI
OSC2
OSC1
Primary Oscillator
Secondary Oscillator
PIC18F2331/2431/4331/4431 CLOCK DIAGRAM
OSCCON<6:4>
Oscillator
Internal
Source
INTRC
Sleep
T1OSCEN
Enable
Oscillator
Block
(INTOSC)
8 MHz
PIC18F2331/2431/4331/4431
PIC18F2331/2431/4331/4431
Preliminary
500 kHz
250 kHz
125 kHz
31 kHz
8 MHz
4 MHz
2 MHz
1 MHz
OSCCON<6:4>
111
110
101
100
011
010
001
000
4 x PLL
Clock Source Option
for Other Modules
C4NFIG1H <3:0>
HSPLL
LP, XT, HS, RC, EC
Internal Oscillator
T1OSC
Control
Clock
DS39616B-page 27
WDT, FSCM
OSCCON<1:0>
Peripherals
IDLEN
CPU