PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 112

• 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

PIC18F2331/2431/4331/4431
FIGURE 10-6:
FIGURE 10-7:
DS39616B-page 110
Data
Bus
WR LATA
or
PORTA
WR TRISA
WR LATA
or
PORTA
Data
Bus
RD PORTA
RD PORTA
To A/D Converter/LVD Module Input
ECRA6 or RCRA6
Enable
RD LATA
TRIS Latch
Data Latch
TRIS Latch
Data Latch
D
D
RD TRISA
D
D
CK
CK
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF RA5
Q
Q
BLOCK DIAGRAM OF RA6
Q
Q
RD TRISA
Q
ECRA6 or
RCRA6
Enable
EN
Analog
Input
Mode or
LVDIN
Enabled
Q
D
V
V
P
N
DD
SS
EN
D
V
V
P
N
SS
DD
O
SCILLATOR
T
O
TTL
Input
Buffer
TTL
Input
Buffer
I/O
Pin
I/O
Pin
Preliminary
FIGURE 10-8:
WR LATA
or
PORTA
Data
Bus
RD PORTA
INTOSC Enable
TRIS Latch
Data Latch
RD TRISA
D
D
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF RA7
 2003 Microchip Technology Inc.
INTOSC
w/RA7 Enable
Q
EN
D
V
V
P
N
SS
DD
O
SCILLATOR
T
O
TTL
Input
Buffer
I/O
Pin