PIC18F2431-I/SO Microchip Technology, PIC18F2431-I/SO Datasheet - Page 246

• 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

PIC18F2331/2431/4331/4431
REGISTER 20-1:
DS39616B-page 244
bit 7-6
bit 5
bit 4
bit 3-2
bit 1
bit 0
bit 7
Unimplemented: Read as ‘0’
ACONV: Auto-Conversion Continuous Loop or Single-shot Mode Select bit
1 = Continuous Loop mode Enabled
0 = Single-shot mode Enabled
ACSCH: Auto-Conversion Single or Multi-Channel mode bit
1 = Multi-Channel mode Enabled, Single Channel mode Disabled
0 = Single Channel mode Enabled, Multi-Channel mode Disabled
ACMOD: Auto-Conversion mode Sequence Select bits
If ACSCH = 1:
00 =Sequential Mode1 (SEQM1). Two samples are taken in sequence:
01 =Sequential Mode2 (SEQM2). Four samples are taken in sequence:
10 =Simultaneous Mode1 (STNM1). Two samples are taken simultaneously:
11 =Simultaneous Mode2 (STNM2). Two samples are taken simultaneously:
If ACSCH = 0, Auto-Conversion Single Channel Sequence mode enabled:
00 =Single Ch Mode1 (SCM1). Group A is taken and converted
01 =Single Ch Mode2 (SCM2). Group B is taken and converted
10 =Single Ch Mode3 (SCM3). Group C is taken and converted
11 =Single Ch Mode4 (SCM4). Group D is taken and converted
GO/DONE: A/D Conversion Status bit
1 = A/D conversion cycle in progress. Setting this bit starts the A/D conversion cycle. If Auto-
0 = A/D conversion or multiple conversions completed/not in progress
ADON: A/D On bit
1 = A/D converter module is enabled (after brief power-up delay, starts continuous sampling)
0 = A/D converter module is disabled
Legend:
R = Readable bit
-n = Value at Reset
ADCON0: A/D CONTROL REGISTER 0
Note:
U-0
—
1st sample: Group A
2nd sample: Group B
1st sample: Group A
2nd sample: Group B
3rd sample: Group C
4th sample: Group D
1st sample: Group A and Group B
1st sample: Group A and Group B
2nd sample: Group C and Group D
Conversion Single-shot mode is enabled (ACONV = 0), this bit is automatically cleared by
hardware when the A/D conversion (single or multi-channel depending on ACMOD settings)
has completed. If Auto-Conversion Continuous Loop mode is enabled (ACONV = 1), this bit
remains set after the user/trigger has set it (continuous conversions). It may be cleared
manually by the user to stop the conversions.
Group A, B, C, D refer to the ADCHS register.
U-0
—
ACONV
R/W-0
Preliminary
W = Writable bit
‘1’ = bit is set
ACSCH
R/W-0
ACMOD1
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = bit is cleared
ACMOD0 GO/DONE
R/W-0
 2003 Microchip Technology Inc.
x = bit is unknown
R/W-0
R/W-0
ADON
bit 0