PIC18F4431-I/P Microchip Technology, PIC18F4431-I/P Datasheet - Page 251

• Manufacturer Part Number: PIC18F4431-I/P
• Description: IC PIC MCU FLASH 8KX16 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-I/P

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 40-DIP (0.600", 15.24mm)
• 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
• 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 ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: EUSART/I2C/SPI/SSP
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 9-ch x 10-bit
• Package: 40PDIP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LD444-1001 - DEMO BOARD FOR PICMICRO MCUACICE0206 - ADAPTER MPLABICE 40P 600 MIL
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

REGISTER 20-6:
REGISTER 20-7:
 2003 Microchip Technology Inc.
bit 15-9 Unimplemented: Read as ‘0’
bit 8
bit 7-0
bit 7
ANS8: Analog Input Function Select bit
1 = Analog Input
0 = Digital I/O
Legend:
R = Readable bit
-n = Value at Reset
ANS<7:0>: Analog Input Function Select bits
Correspond to pins AN<7:0>
1 = Analog Input
0 = Digital I/O
ANSEL0: ANALOG SELECT REGISTER 0
Legend:
R = Readable bit
-n = Value at Reset
ANSEL1: ANALOG SELECT REGISTER 1
ANS7
R/W-1
Note 1: Setting a pin to an analog input disables the digital input buffer. The corresponding
bit 15
Note 1: Setting a pin to an analog input disables the digital input buffer. The corresponding
U-0
—
(2)
2: ANS8 is available only on PIC18F4X31 devices.
2: ANS7 through ANS5 are available only on PIC18F4X31 devices.
TRIS bit should be set for an input and cleared for an output (analog or digital). The
ANSx bits directly correspond to the ANx pins (e.g., ANS8 = AN8, ANS9 = AN9, etc.)
Unused ANSx bits are to be read as ‘0’.
TRIS bit should be set for an input and cleared for an output (analog or digital). The
ANSx bits directly correspond to the ANx pins (e.g., ANS0 = AN0, ANS1 = AN1, etc.)
Unused ANSx bits are to be read as ‘0’.
ANS6
R/W-1
U-0
—
(2)
PIC18F2331/2431/4331/4431
ANS5
R/W-1
Preliminary
U-0
W = Writable bit
‘1’ = bit is set
W = Writable bit
‘1’ = bit is set
—
(2)
R/W-1
ANS4
U-0
—
(1)
(1)
U = Unimplemented bit, read as ‘0’
‘0’ = bit is cleared
U = Unimplemented bit, read as ‘0’
‘0’ = bit is cleared
R/W-1
ANS3
U-0
—
R/W-1
ANS2
U-0
—
x = bit is unknown
x = bit is unknown
R/W-1
ANS1
U-0
—
DS39616B-page 249
ANS8
R/W-1
R/W-1
ANS0
bit 0
bit 8
(2)