PIC18F2431-I/SP Microchip Technology Inc., PIC18F2431-I/SP Datasheet - Page 251

• Manufacturer Part Number: PIC18F2431-I/SP
• Description: Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 24 I/O; 28-Pin-SPDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F2431-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 24
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 16K Bytes
• Ram Size: 768 Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

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)