PIC16LF723A-I/ML Microchip Technology, PIC16LF723A-I/ML Datasheet - Page 88

• Manufacturer Part Number: PIC16LF723A-I/ML
• Description: MCU PIC 3.5K FLASH XLP 28-QFN
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16LF723A-I/ML

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Number Of I /o: 25
• Program Memory Type: FLASH
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 11x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Controller Family/series: PIC16LF
• No. Of I/o's: 25
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16F/LF722A/723A
9.1
When configuring and using the ADC the following
functions must be considered:
• Port configuration
• Channel selection
• ADC voltage reference selection
• ADC conversion clock source
• Interrupt control
• Results formatting
9.1.1
The ADC can be used to convert both analog and
digital signals. When converting analog signals, the I/O
pin should be configured for analog by setting the
associated TRIS and ANSEL bits. Refer to Section 6.0
“I/O Ports” for more information.
9.1.2
The CHS bits of the ADCON0 register determine which
channel is connected to the sample and hold circuit.
When changing channels, a delay is required before
starting the next conversion. Refer to Section 9.2
“ADC Operation” for more information.
9.1.3
The ADREF bits of the ADCON1 register provides
control of the positive voltage reference. The positive
voltage reference can be either V
voltage source or the internal Fixed Voltage Reference.
The negative voltage reference is always connected to
the ground reference. See Section 10.0 “Fixed
Voltage Reference” for more details.
9.1.4
The source of the conversion clock is software select-
able via the ADCS bits of the ADCON1 register. There
are seven possible clock options:
• F
• F
• F
• F
• F
• F
• F
The time to complete one bit conversion is defined as
T
as shown in Figure 9-2.
DS41417A-page 88
AD
Note:
OSC
OSC
OSC
OSC
OSC
OSC
RC
. One full 8-bit conversion requires 10 T
(dedicated internal oscillator)
/2
/4
/8
/16
/32
/64
ADC Configuration
PORT CONFIGURATION
Analog voltages on any pin that is defined
as a digital input may cause the input
buffer to conduct excess current.
CHANNEL SELECTION
ADC V
CONVERSION CLOCK
OLTAGE REFERENCE
DD
, an external
AD
periods
For correct conversion, the appropriate T
tion must be met. Refer to the A/D conversion require-
ments in Section 23.0 “Electrical Specifications” for
more information. Table 9-1 gives examples of appro-
priate ADC clock selections.
Note:
Unless using the F
system clock frequency will change the
ADC
adversely affect the ADC result.
clock
 2010 Microchip Technology Inc.
frequency,
RC
, any changes in the
which
AD
specifica-
may