PIC16F873-04E/SO Microchip Technology, PIC16F873-04E/SO Datasheet - Page 115
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC16F873-04E/SO
Manufacturer Part Number
PIC16F873-04E/SO
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SOP,28PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F873-04SO.pdf
(218 pages)
4.PIC16F873-04SO.pdf
(5 pages)
5.PIC16F873-04SO.pdf
(5 pages)
6.PIC16F873-04SO.pdf
(4 pages)
Specifications of PIC16F873-04E/SO
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PIC16F87304E/SO
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F873-04SO PDF datasheet #3
- PIC16F873-04SO PDF datasheet #4
- PIC16F873-04SO PDF datasheet #5
- PIC16F873-04SO PDF datasheet #6
- Current page: 115 of 218
- Download datasheet (4Mb)
These steps should be followed for doing an A/D
Conversion:
1.
2.
FIGURE 11-1:
2001 Microchip Technology Inc.
Configure the A/D module:
Configure A/D interrupt (if desired):
• Set PEIE bit
• Set GIE bit
• Configure analog pins/voltage reference and
• Select A/D input channel (ADCON0)
• Select A/D conversion clock (ADCON0)
• Turn on A/D module (ADCON0)
• Clear ADIF bit
• Set ADIE bit
Note 1: Not available on PIC16F873/876 devices.
digital I/O (ADCON1)
Converter
A/D
A/D BLOCK DIAGRAM
(Reference
(Reference
Voltage)
Voltage)
V
V
REF
REF
-
+
(Input Voltage)
PCFG3:PCFG0
PCFG3:PCFG0
V
AIN
V
V
DD
SS
3.
4.
5.
6.
7.
Wait the required acquisition time.
Start conversion:
• Set GO/DONE bit (ADCON0)
Wait for A/D conversion to complete, by either:
• Polling for the GO/DONE bit to be cleared
• Waiting for the A/D interrupt
Read
(ADRESH:ADRESL), clear bit ADIF if required.
For the next conversion, go to step 1 or step 2,
as required. The A/D conversion time per bit is
defined as T
required before the next acquisition starts.
(with interrupts enabled); OR
CHS2:CHS0
A/D
111
110
101
100
011
010
001
000
AD
. A minimum wait of 2T
result
PIC16F87X
register
DS30292C-page 113
RA1/AN1
RE2/AN7
RA2/AN2/V
RA0/AN0
RE1/AN6
RE0/AN5
RA5/AN4
RA3/AN3/V
(1)
(1)
(1)
AD
REF
REF
pair
-
+
is
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