PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 123

• 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 10-18:
FIGURE 10-19:
 2003 Microchip Technology Inc.
SCK/SCL Data Out
PORT/ SSPEN & SSPMX_ Select
Note 1: SCK/SCL are multiplexed on RD3 and RC5 using SSPMX bit in the configuration register.
SCL or SCL input
I
2
C™ Mode
CK Input
SS input
TX Data Out/CK
RD PORTC
WR TRISC
SDO Drive
USART Select
USART Select
WR LATC
Data Bus
PORTC
RD PORTC
WR TRISC
WR LATC
Data Bus
PORTC
or
or
BLOCK DIAGRAM OF RC5
BLOCK DIAGRAM OF RC6
TRIS Latch
Data Latch
D
D
RD TRISC
CK
CK
TRIS Latch
D
Data Latch
D
RD TRISC
CK
CK
RD LATC
Q
Q
Q
Q
RD LATC
Q
Q
Q
Q
PIC18F2331/2431/4331/4431
Preliminary
0
1
0
1
Q
Q
EN
D
EN
D
V
V
N
P
SS
DD
Schmitt
Trigger
V
V
N
P
SS
DD
Schmitt
Trigger
TTL
RC5 Pin
DS39616B-page 121
RC6 Pin
SSPMX
(1)