PIC18F2431-I/SO Microchip Technology, PIC18F2431-I/SO Datasheet - Page 247

• Manufacturer Part Number: PIC18F2431-I/SO
• Description: IC PIC MCU FLASH 8KX16 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2431-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 28-SOIC (7.5mm Width)
• 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: 24
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• 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: 24
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM183021, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5-ch x 10-bit
• Package: 28SOIC W
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MILI3-DB18F4431 - BOARD DAUGHTER ICEPIC3
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

REGISTER 20-2:
 2003 Microchip Technology Inc.
bit 7-6 VCFG<1:0>: A/D V
bit 5
bit 4
bit 3
bit 2
bit 1-0 ADPNT<1:0>: Buffer Read Pointer Locations bits
00 =V
01 =V
10 =V
11 =V
Unimplemented: Read as ‘0’
FIFOEN: FIFO Buffer Enable bit
1 = FIFO is enabled
0 = FIFO is disabled
BFEMT: Buffer Empty bit
1 = FIFO is empty
0 = FIFO is not empty (at least one of four locations has unread A/D result data)
BFOVFL: Buffer Overflow bit
1 = A/D result has overwritten a buffer location that has unread data
0 = A/D result has not overflowed
Designates the location to be read next.
00 = Buffer address 0
01 = Buffer address 1
10 = Buffer address 2
11 = Buffer address 3
bit 7
Legend:
R = Readable bit
-n = Value at Reset
VCFG1
ADCON1: A/D CONTROL REGISTER 1
R/W-0
REF
REF
REF
REF
+ = AV
+ = External V
+ = AV
+ = External V
VCFG0
R/W-0
DD
DD
, V
, V
REF
REF
REF
+ and A/D V
REF
REF
PIC18F2331/2431/4331/4431
- = AV
- = External V
+, V
-, V
U-0
—
W = Writable bit
‘1’ = bit is set
Preliminary
REF
SS
REF
, (AN2 and AN3 are Analog inputs or Digital I/O)
- = External V
REF
- = AV
FIFOEN
R/W-0
- Source Selection bits
REF
SS
-, (AN3 is an Analog input or Digital I/O)
, (AN2 is an Analog input or Digital I/O)
REF
BFEMT
U = Unimplemented bit, read as ‘0’
‘0’ = bit is cleared
-
R-0
BFOVFL
R-0
ADPNT1
x = bit is unknown
R-0
DS39616B-page 245
ADPNT0
R-0
bit 0