PIC16F716-E/SS Microchip Technology, PIC16F716-E/SS Datasheet - Page 407
PIC16F716-E/SS
Manufacturer Part Number
PIC16F716-E/SS
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,20PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F716-ISO.pdf
(136 pages)
4.PIC16F716-ISO.pdf
(12 pages)
Specifications of PIC16F716-E/SS
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
13
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 4x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB16F716 - BOARD DAUGHTER ICEPIC3AC162054 - HEADER INTERFACE ICD2 16F716
Eeprom Size
-
Connectivity
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F716-E/SS
Manufacturer:
BCD
Quantity:
10
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F716-ISO PDF datasheet #3
- PIC16F716-ISO PDF datasheet #4
- Current page: 407 of 688
- Download datasheet (3Mb)
1997 Microchip Technology Inc.
Section 22. Basic 8-bit A/D Converter
The ADRES register contains the result of the A/D conversion. When the A/D conversion is com-
plete, the result is loaded into the ADRES register, the GO/DONE bit (ADCON0<2>) is cleared,
and A/D interrupt flag bit ADIF is set. The block diagram of the A/D module is shown in
Figure
After the A/D module has been configured as desired, the selected channel must be acquired
before the conversion is started. The analog input channels must have their corresponding TRIS
bits selected as an input. To determine sample time, see Subsection
Requirements”
following steps should be followed for doing an A/D conversion:
1.
2.
3.
4.
5.
6.
7.
Figure 22-2
time that the A/D module’s holding capacitor is connected to the external voltage level. Then
there is the conversion time of 10 T
two times is the sampling time. There is a minimum acquisition time to ensure that the holding
capacitor is charged to a level that will give the desired accuracy for the A/D conversion.
Figure 22-2:
Configure the A/D module:
• Configure analog pins / voltage reference / and digital I/O (ADCON1)
• Select A/D input channel (ADCON0)
• Select A/D conversion clock (ADCON0)
• Turn on A/D module (ADCON0)
Configure A/D interrupt (if desired):
• Clear the ADIF bit
• Set the ADIE bit
• Set the GIE bit
Wait the required acquisition time.
Start conversion:
• Set the GO/DONE bit (ADCON0)
Wait for A/D conversion to complete, by either:
• Polling for the GO/DONE bit to be cleared
OR
• Waiting for the A/D interrupt
Read A/D Result register (ADRES), clear the ADIF bit, if required.
For next conversion, go to step 1 or step 2 as required. The A/D conversion time per bit is
defined as T
When A/D holding capacitor start to charge.
After A/D conversion, or new A/D channel is selected
22-1.
Acquisition Time
shows the conversion sequence, and the terms that are used. Acquisition time is the
A/D Conversion Sequence
AD
After this acquisition time has elapsed the A/D conversion can be started. The
. A minimum wait of 2T
A/D Sample Time
When A/D conversion is started (setting the GO bit)
A/D Conversion Time
AD
, which is started when the GO bit is set. The sum of these
AD
is required before next acquisition starts.
A/D conversion complete,
result is loaded in ADRES register.
Holding capacitor begins acquiring
voltage level on selected channel
ADIF bit is set
22.3 “A/D Acquisition
DS31022A-page 22-5
22
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