PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 14

• 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 1-1:
DS39616D-page 14
OSC2/CLKO
OSC1/CLKI
MCLR/V
V
Address Latch
DD
T1OSI
T1OSO
Data Latch
Program
Memory
, V
Data EE
Timer0
SS
PP
21
16
21
21
Generation
Reference
Band Gap
Precision
Timing
4x PLL
PIC18F2331/2431 (28-PIN) BLOCK DIAGRAM
Table Latch
Instruction
Decode &
Control
Table Pointer<21>
Timer1
inc/dec logic
20
CCP1
CCP2
8
PCLATU
ROM Latch
Power-Managed
PCU
Program Counter
Start-up Timer
Mode Logic
31 Level Stack
Watchdog
Brown-out
Power-up
Oscillator
Power-on
IR
INTRC
Timer
Reset
Timer
Reset
OSC
PCLATH
PCH
Synchronous
Serial Port
8
Timer2
PCL
8
Decode
BITOP
4
BSR
8
3
Address Latch
12
Address<12>
inc/dec
PRODH
FSR0
FSR1
FSR2
8
Data Latch
(768 bytes)
logic
Data RAM
8 x 8 Multiply
ALU<8>
W
EUSART
8
Timer5
Data Bus<8>
8
12
Bank 0, F
PRODL
4
8
12
8
8
PORTA
PORTB
PORTE
PORTC
PCPWM
HS 10-Bit
 2010 Microchip Technology Inc.
ADC
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/AN4/CAP3/QEB
OSC2/CLKO/RA6
OSC1/CLKI/RA7
RB0/PWM0
RB1/PWM1
RB2/PWM2
RB3/PWM3
RB4/KBI0/PWM5
RB5/KBI1/PWM4/PGM
RB6/KBI2/PGC
RB7/KBI3/PGD
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2/FLTA
RC2/CCP1
RC3/T0CKI/T5CKI/INT0
RC4/INT1/SDI/SDA
RC5/INT2/SCK/SCL
RC6/TX/CK/SS
RC7/RX/DT/SDO
MCLR/V
PP
REF
REF
AV
MFM
-/CAP1/INDX
+/CAP2/QEA
DD
, AV
SS