PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 117

• 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 10-11:
 2003 Microchip Technology Inc.
WR PORT
WR TRIS
Data Bus
PORT/PWM Select
PWM4 Data
Set RBIF
BLOCK DIAGRAM OF RB5
From other
RB7:RB4 pins
RD PORT
Data Latch
TRIS Latch
D
CK
D
CK
LVP Configuration Bit
1 = Low V Prog Enable
0 = only HV Prog
RD TRIS
Q
Q
Q
0
1
Enable ICSP
PIC18F2331/2431/4331/4431
Preliminary
Q
Q
EN
EN
D
D
V
V
N
P
SS
DD
TTL
Input
Buffer
RBPU
RD Port
Q3
Q1
V
P
DD
Weak
Pull-up
Schmitt
Trigger
DS39616B-page 115
RB5/PGM