PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 250

• 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

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