PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 250

• Manufacturer Part Number: PIC18F4431-I/P
• Description: Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 40-Pin-PDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4431-I/P

• A/d Inputs: 9-Channel, 10-Bit
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• 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

PIC18F2331/2431/4331/4431
REGISTER 20-5:
DS39616B-page 248
bit 7-6
bit 5-4
bit 3-2
bit 1-0
bit 7
GDSEL1:GDSEL0: Group D Select bits
S/H-2 positive input
00 =AN3
01 =AN7
1x =Reserved
GBSEL1:GBSEL0: Group B Select bits
S/H-2 positive input
00 =AN1
01 =AN5
1x =Reserved
GCSEL1:GCSEL0: Group C Select bits
S/H-1 positive input
00 =AN2
01 =AN6
1x =Reserved
GASEL1:GASEL0: Group A Select bits
S/H-1 positive input
00 =AN0
01 =AN4
10 =AN8
11 =Reserved
Legend:
R = Readable bit
-n = Value at Reset
ADCHS: A/D CHANNEL SELECT REGISTER
GDSEL1
R/W-0
Note 1: AN5 through AN8 are available only in PIC18F4X31 devices.
(1)
(1)
(1)
(1)
GDSEL0
R/W-0
GBSEL1
R/W-0
Preliminary
W = Writable bit
‘1’ = bit is set
GBSEL0
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = bit is cleared
GCSEL1 GCSEL0 GASEL1
R/W-0
R/W-0
 2003 Microchip Technology Inc.
x = bit is unknown
R/W-0
GASEL0
R/W-0
bit 0