PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 122

• 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 10-16:
FIGURE 10-17:
DS39616B-page 120
Note 1: The T0CKI/T5CKI bit is multiplexed with RD0 when the EXCLKM is enabled (= 1 ) in the configuration register.
T0CKI/T5CKI Input
Note 1: The SDI/SDA bits are multiplexed on RD2 and RC4 pins by SSPMX bit in the configuration register.
RD PORTC
WR TRISC
SDA Data Out
SDI/SDA Input
WR LATC
Data Bus
PORTC
RD PORTC
PORT/SSP Mode & SSPMX Select
WR TRISC
SDA Drive
WR LATC
Data Bus
PORTC
or
or
BLOCK DIAGRAM OF RC3
BLOCK DIAGRAM OF RC4
TRIS Latch
D
Data Latch
D
RD TRISC
CK
CK
TRIS Latch
Data Latch
D
D
RD TRISC
CK
CK
RD LATC
Q
Q
Q
Q
RD LATC
Q
Q
Q
Q
Preliminary
0
1
Q
Q
EN
D
EN
D
V
V
N
P
SS
DD
Schmitt
Trigger
V
V
N
P
SS
DD
Schmitt
Trigger
 2003 Microchip Technology Inc.
EXCLKMX_enable
SSPMX
RC3 Pin
RC4 Pin
(1)
(1)