PIC18F2420-I/ML Microchip Technology, PIC18F2420-I/ML Datasheet - Page 227

• Manufacturer Part Number: PIC18F2420-I/ML
• Description: IC PIC MCU FLASH 8KX16 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2420-I/ML

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• 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, MSSP, SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 1 x 8
• 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, DM163014, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• Package: 28QFN EP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28QFN4 - SOCKET TRANS ICE 28QFN W/CABLEAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

REGISTER 19-3:
© 2008 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5-3
bit 2-0
Note 1:
R/W-0
ADFM
If the A/D FRC clock source is selected, a delay of one T
clock starts. This allows the SLEEP instruction to be executed before starting a conversion.
ADFM: A/D Result Format Select bit
1 = Right justified
0 = Left justified
Unimplemented: Read as ‘0’
ACQT<2:0>: A/D Acquisition Time Select bits
111 = 20 T
110 = 16 T
101 = 12 T
100 = 8 T
011 = 6 T
010 = 4 T
001 = 2 T
000 = 0 T
ADCS<2:0>: A/D Conversion Clock Select bits
111 = F
110 = F
101 = F
100 = F
011 = F
010 = F
001 = F
000 = F
U-0
—
ADCON2: A/D CONTROL REGISTER 2
RC
OSC
OSC
OSC
RC
OSC
OSC
OSC
AD
AD
AD
AD
AD
AD
AD
AD
(clock derived from A/D RC oscillator)
(clock derived from A/D RC oscillator)
/64
/16
/4
/32
/8
/2
(1)
W = Writable bit
‘1’ = Bit is set
ACQT2
R/W-0
PIC18F2420/2520/4420/4520
ACQT1
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
ACQT0
R/W-0
(1)
(1)
CY
(instruction cycle) is added before the A/D
ADCS2
R/W-0
x = Bit is unknown
ADCS1
R/W-0
DS39631E-page 225
ADCS0
R/W-0
bit 0