PIC16F84AT-04/SO Microchip Technology, PIC16F84AT-04/SO Datasheet - Page 424
![IC MCU FLASH 1KX14 EE 18SOIC](/photos/6/76/67656/150-18-soic_sml.jpg)
PIC16F84AT-04/SO
Manufacturer Part Number
PIC16F84AT-04/SO
Description
IC MCU FLASH 1KX14 EE 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F688T-ISL.pdf
(688 pages)
2.PIC16F84A-04P.pdf
(88 pages)
3.PIC16F84A-04P.pdf
(6 pages)
Specifications of PIC16F84AT-04/SO
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
13
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
68 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
18-SOIC (7.5mm Width)
For Use With
I3-DB16F84A - BOARD DAUGHTER ICEPIC3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Connectivity
-
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PICmicro MID-RANGE MCU FAMILY
23.1
Figure 23-1:
DS31023A-page 23-2
Converter
10-bit
Introduction
A/D
10-bit A/D Block Diagram
Reference
voltage
The analog-to-digital (A/D) converter module can have up to eight analog inputs for a device.
The analog input charges a sample and hold capacitor. The output of the sample and hold capac-
itor is the input into the converter. The converter then generates a digital result of this analog level
via successive approximation. This A/D conversion, of the analog input signal, results in a corre-
sponding 10-bit digital number.
The analog reference voltages (positive and negative supply) are software selectable to either
the device’s supply voltages (AV
pins.
The A/D converter has a unique feature of being able to operate while the device is in SLEEP
mode.
The A/D module has four registers. These registers are:
The ADCON0 register, shown in
ADCON1 register, shown in
can be configured as analog inputs (AN3 and AN2 can also be the voltage references) or as dig-
ital I/O.
• A/D Result High Register (ADRESH)
• A/D Result Low Register (ADRESL)
• A/D Control Register0 (ADCON0)
• A/D Control Register1 (ADCON1)
V
V
REF
REF
-
+
(Input voltage)
V
AIN
PCFG0
Preliminary
Figure
DD
AV
Figure
, AVss) or the voltage level on the AN3/V
23-2, configures the functions of the port pins. The port pins
DD
AV
23-1, controls the operation of the A/D module. The
SS
CHS2:CHS0
111
110
101
100
011
010
001
000
1997 Microchip Technology Inc.
REF
AN1
AN7
AN6
AN5
AN4
AN3
AN2
AN0
+ and AN2/V
REF
-
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