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

• Manufacturer Part Number: PIC18F4431-E/ML
• Description: IC MCU FLASH 8KX16 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• 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 Size: 16KB (8K x 16)
• 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
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 11-7:
TABLE 11-8:
 2010 Microchip Technology Inc.
PORTD
LATD
TRISD
RD0/T0CKI/
T5CKI
RD1/SDO
RD2/SDI/SDA
RD3/SCK/SCL
RD4/FLTA
RD5/PWM4
RD6/PWM6
RD7/PWM7
Legend:
Note 1:
Name
Pin
2:
3:
DIG = Digital level output; TTL = TTL input buffer; ST = Schmitt Trigger input buffer;
x = Don’t care (TRIS bit does not affect port direction or is overridden for this option).
RC3 is the alternate pin for T0CKI/T5CKI; RC4 is the alternate pin for SDI/SDA; RC5 is the alternate pin for SCK/SCL;
RC7 is the alternate pin for SDO.
RC1 is the alternate pin for FLTA.
RB5 is the alternate pin for PWM4.
LATD Data Output Register
PORTD Data Direction Register
Bit 7
RD7
PORTD I/O SUMMARY
SUMMARY OF REGISTERS ASSOCIATED WITH PORTD
Function
PWM4
T0CKI
T5CKI
FLTA
SDO
SDA
SCK
SCL
PWM6
PWM7
SDI
RD0
RD1
RD2
RD3
RD4
RD5
RD6
RD7
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(3)
Bit 6
RD6
Setting
TRIS
0
1
1
1
0
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
1
0
1
0
0
1
0
0
1
0
Bit 5
RD5
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
PIC18F2331/2431/4331/4431
Type
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
I
I
I/O
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
2
2
C
C
Bit 4
RD4
LATD<0> data output.
PORTD<0> data input.
Timer0 alternate clock input.
Timer5 alternate clock input.
LATD<1> data output.
PORTD<1> data input.
SPI data out; takes priority over port data.
LATD<2> data output.
PORTD<2> data input.
SPI data input (SSP module).
I
I
LATD<3> data output.
PORTD<3> data input.
SPI clock output (SSP module); takes priority over port data.
SPI clock input (SSP module).
I
I
LATD<4> data output.
PORTD<4> data input.
Fault Interrupt Input Pin A.
LATD<5> data output.
PORTD<5> data input.
PWM Output 4; takes priority over port data.
LATD<6> data output.
PORTD<6> data input.
PWM Output 6; takes priority over port data.
LATD<7> data output.
PORTD<7> data input.
PWM Output 7; takes priority over port data.
2
2
2
2
C™ data output (SSP module); takes priority over port data.
C data input (SSP module).
C clock output (SSP module); takes priority over port data.
C clock input (SSP module); input type depends on module setting.
Bit 3
RD3
Bit 2
RD2
Description
Bit 1
RD1
Bit 0
RD0
DS39616D-page 123
Reset Values
on Page:
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