PIC12C672T-04E/SM Microchip Technology, PIC12C672T-04E/SM Datasheet - Page 424
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PIC12C672T-04E/SM
Manufacturer Part Number
PIC12C672T-04E/SM
Description
IC MCU OTP 2KX14 A/D 8-SOIJ
Manufacturer
Microchip Technology
Series
PIC® 12Cr
Datasheets
1.PIC16F688T-ISL.pdf
(688 pages)
2.PIC12CE673-10P.pdf
(129 pages)
3.PIC12CE673-10P.pdf
(14 pages)
Specifications of PIC12C672T-04E/SM
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
5
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
OTP
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
8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
For Use With
XLT08SO-1 - SOCKET TRANSITION 8SOIC 150/208AC164312 - MODULE SKT FOR PM3 16SOIC309-1048 - ADAPTER 8-SOIC TO 8-DIP309-1047 - ADAPTER 8-SOIC TO 8-DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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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