PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 127

• 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 10-22:
FIGURE 10-23:
 2003 Microchip Technology Inc.
Note 1: FLTAMX is located in the configuration register.
RD PORTD
FLTA input
PORT/PWM Select
PWM4 Data Out
WR TRISD
WR LATD
Data Bus
PORTD
RD PORTD
WR TRISD
WR LATD
Data Bus
PORTD
or
BLOCK DIAGRAM OF RD5
or
BLOCK DIAGRAM OF RD4
*
TRIS Latch
Data Latch
D
D
RD TRISD
CK
CK
TRIS Latch
D
Data Latch
D
RD TRISD
CK
CK
RD LATD
Q
Q
Q
Q
RD LATD
Q
Q
Q
Q
PIC18F2331/2431/4331/4431
Preliminary
1
0
Q
Q
EN
D
EN
D
V
V
N
P
SS
DD
Schmitt
Trigger
V
V
N
P
SS
DD
Schmitt
Trigger
Schmitt
Trigger
DS39616B-page 125
RD4 Pin
RD5 Pin
FLTAMX
(1)