PIC16F684-I/ST Microchip Technology Inc., PIC16F684-I/ST Datasheet - Page 67
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PIC16F684-I/ST
Manufacturer Part Number
PIC16F684-I/ST
Description
14 PIN, 3.5 KB FLASH, 128 RAM, 12 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F684-IST.pdf
(192 pages)
Specifications of PIC16F684-I/ST
A/d Inputs
8-Channel, 10-Bit
Comparators
2
Cpu Speed
5 MIPS
Eeprom Memory
256 Bytes
Input Output
12
Memory Type
Flash
Number Of Bits
8
Package Type
14-pin TSSO
Programmable Memory
3.5K Bytes
Ram Size
128 Bytes
Speed
20 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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9.0
The
conversion of an analog input signal to a 10-bit binary
representation of that signal. This device uses analog
inputs, which are multiplexed into a single sample and
hold circuit. The output of the sample and hold is
connected to the input of the converter. The converter
generates a 10-bit binary result via successive
approximation and stores the conversion result into the
ADC result registers (ADRESL and ADRESH).
The ADC voltage reference is software selectable to
either V
pins.
The ADC can generate an interrupt upon completion of
a conversion. This interrupt can be used to wake-up the
device from Sleep.
Figure 9-1 shows the block diagram of the ADC.
FIGURE 9-1:
© 2006 Microchip Technology Inc.
Analog-to-Digital
DD
ANALOG-TO-DIGITAL
CONVERTER (ADC) MODULE
or a voltage applied to the external reference
RA1/AN1/V
ADC BLOCK DIAGRAM
RC0/AN4
RC1/AN5
RC2/AN6
RC3/AN7
RA0/AN0
RA2/AN2
RA4/AN3
Converter
REF
CHS <3:0>
(ADC)
V
REF
allows
4
V
DD
GO/DONE
VCFG = 0
VCFG = 1
ADON
V
SS
A/D
ADFM
ADRESH ADRESL
0 = Left Justify
1 = Right Justify
PIC16F684
10
10
DS41202D-page 65
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