PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 129

• 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 10-26:
FIGURE 10-27:
 2003 Microchip Technology Inc.
Note 1: The SDO output is multiplexed by SSPMX bit in the configuration register.
Note 1: T0CKI/T5CKI are multiplexed by SSPMX bit in the configuration register.
T0CKI/T5CKI Input
PORT/SPI Mode & SSPMX Select
SDO Data Out
RD PORTD
RD PORTD
WR TRISD
WR TRISD
WR LATD
WR LATD
Data Bus
Data Bus
PORTD
PORTD
or
or
BLOCK DIAGRAM OF RD1
BLOCK DIAGRAM OF RD0
TRIS Latch
Data Latch
TRIS Latch
D
D
Data Latch
D
D
RD TRISD
CK
RD TRISD
CK
CK
CK
RD LATD
RD LATD
Q
Q
Q
Q
Q
Q
Q
Q
PIC18F2331/2431/4331/4431
Preliminary
0
1
Q
Q
EN
EN
D
D
V
V
V
N
V
P
SS
N
P
SS
DD
DD
Schmitt
Trigger
Schmitt
Trigger
SSPMX
RD0 Pin
RD1 Pin
(1)
DS39616B-page 127