PIC18F8720-I/PT Microchip Technology, PIC18F8720-I/PT Datasheet - Page 217

• Manufacturer Part Number: PIC18F8720-I/PT
• Description: IC MCU FLASH 64KX16 EE 80TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F8720-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 128KB (64K x 16)
• Package / Case: 80-TFQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 68
• Eeprom Size: 1K x 8
• Ram Size: 3.75K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 3.75 KB
• Interface Type: I2C/SPI/USART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 68
• Number Of Timers: 5
• 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, DM183032, DM183022, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 16-ch x 10-bit
• Package: 80TQFP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 25 MHz
• Operating Supply Voltage: 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT80PT3 - SOCKET TRAN ICE 80MQFP/TQFPAC164320 - MODULE SKT MPLAB PM3 80TQFPAC174011 - MODULE SKT PROMATEII 80TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

REGISTER 19-3:
The analog reference voltage is software selectable to
either the device’s positive and negative supply voltage
(V
V
The A/D converter has a unique feature of being able
to operate while the device is in Sleep mode. To oper-
ate in Sleep, the A/D conversion clock must be derived
from the A/D’s internal RC oscillator.
The output of the sample and hold is the input into the
converter, which generates the result via successive
approximation.
A device Reset forces all registers to their Reset state.
This forces the A/D module to be turned off and any
conversion is aborted.
 2004 Microchip Technology Inc.
REF
DD
+ pin and RA2/AN2/V
and V
bit 7
bit 6-3
bit 2-0
SS
), or the voltage level on the RA3/AN3/
PIC18F6520/8520/6620/8620/6720/8720
ADCON2 REGISTER
bit 7
ADFM: A/D Result Format Select bit
1 = Right justified
0 = Left justified
Unimplemented: Read as ‘0’
ADCS1:ADCS0: A/D Conversion Clock Select bits
000 = F
001 = F
010 = F
011 = F
100 = F
101 = F
110 = F
111 = F
Legend:
R = Readable bit
- n = Value at POR
R/W-0
ADFM
REF
- pin.
OSC
OSC
OSC
RC
OSC
OSC
OSC
RC
(clock derived from an RC oscillator = 1 MHz max)
(clock derived from an RC oscillator = 1 MHz max)
/2
/8
/32
/4
/16
/64
U-0
—
U-0
—
W = Writable bit
‘1’ = Bit is set
U-0
—
Each port pin associated with the A/D converter can be
configured as an analog input (RA3 can also be a
voltage reference), or as a digital I/O. The ADRESH
and ADRESL registers contain the result of the A/D
conversion. When the A/D conversion is complete, the
result is loaded into the ADRESH/ADRESL registers,
the GO/DONE bit (ADCON0 register) is cleared and
A/D interrupt flag bit, ADIF, is set. The block diagram of
the A/D module is shown in Figure 19-1.
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U-0
—
ADCS2
R/W-0
x = Bit is unknown
ADCS1
R/W-0
DS39609B-page 215
ADCS0
R/W-0
bit 0