PIC18F4431-I/ML Microchip Technology, PIC18F4431-I/ML Datasheet - Page 119

• Manufacturer Part Number: PIC18F4431-I/ML
• Description: IC PIC MCU FLASH 8KX16 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-I/ML

• 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: 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
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFN
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: EUSART, I2C, SPI, SSP
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 1 x 8
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 9 bit
• Package: 44QFN EP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / Rohs Status: Details

FIGURE 10-11:
© 2007 Microchip Technology Inc.
Data Bus
WR PORTB
WR TRISB
PORT/PWM Select
PWM4 Data
Set RBIF
BLOCK DIAGRAM OF RB5
From other
RB7:RB4 pins
Data Latch
D
TRIS Latch
D
CK
CK
LVP Configuration Bit:
1 = Low-Voltage Programming Enable
0 = Only High-Voltage Programming
RD TRISB
RD PORTB
Q
Q
Q
Enable ICSP™
0
1
PIC18F2331/2431/4331/4431
Q
Q
Preliminary
EN
EN
D
D
V
N
V
P
DD
SS
TTL
Input
Buffer
Q1
RD PORTB
Q3
RBPU
V
P
DD
Weak
Pull-up
Schmitt
Trigger
DS39616C-page 117
RB5/PGM