PIC16F84A-20I/SO Microchip Technology, PIC16F84A-20I/SO Datasheet - Page 454
![IC MCU FLASH 1KX14 EE 18SOIC](/photos/6/76/67656/150-18-soic_sml.jpg)
PIC16F84A-20I/SO
Manufacturer Part Number
PIC16F84A-20I/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 PIC16F84A-20I/SO
Core Size
8-Bit
Program Memory Size
1.75KB (1K x 14)
Core Processor
PIC
Speed
20MHz
Peripherals
POR, WDT
Number Of I /o
13
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
-40°C ~ 85°C
Package / Case
18-SOIC (7.5mm Width)
Controller Family/series
PIC16F
No. Of I/o's
13
Eeprom Memory Size
64Byte
Ram Memory Size
68Byte
Cpu Speed
20MHz
No. Of Timers
1
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
68 B
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
13
Number Of Timers
8
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
ICE2000
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
I3-DB16F84A - BOARD DAUGHTER ICEPIC3309-1075 - ADAPTER 18-SOIC TO 18-SOIC309-1011 - ADAPTER 18-SOIC TO 18-DIP309-1010 - ADAPTER 18-SOIC TO 18-DIPDVA12XP080 - ADAPTER DEVICE FOR MPLAB-ICEAC164010 - MODULE SKT PROMATEII DIP/SOIC
Data Converters
-
Connectivity
-
Lead Free Status / Rohs Status
Details
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Manufacturer
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PICmicro MID-RANGE MCU FAMILY
24.4
24.4.1
24.4.2
DS31024A-page 24-12
REFOFF (SLPCON<5>)
Bandgap Voltage Reference
Slope Reference Voltage Divider
SREFLO
K
Other Analog Modules
REF
Reference
Bandgap
=
~
Additional analog modules for mixed signal applications are required. These include:
• bandgap voltage reference
• slope reference voltage divider
The bandgap reference circuit is used to generate a 1.2V nominal stable voltage reference for
the Slope A/D, the low-voltage detector, and the slope reference divider. The bandgap reference
voltage is available on the analog MUX. To enable the bandgap reference REFOFF (SLP-
CON<5>) must be cleared. The bandgap reference must be enabled for any slope A/D conver-
sion.
The bandgap reference calibration factor is stored in the calibration space EPROM.
The slope reference voltage divider circuit, consisting of a buffer amplifier and resistor divider, is
connected to the internal bandgap reference producing two other voltage references called
SREFHI and SREFLO (see
1.2V, and SREFLO is nominally 0.13V. These reference voltages are available on two of the ana-
log multiplexer channels. The Slope A/D module and firmware can measure the SREFHI and
SREFLO voltages, and in conjunction with the K
ADC's offset and slope errors.
See AN624 for further details.
Figure 24-3: Slope Reference Divider
SREFHI
SREFHI - SREFLO
9
SREFLO
V
REF
ADOFF (SLPCON<0>)
Figure
+
_
24-3). SREFHI is nominally the same as the bandgap voltage,
REF
and K
BG
calibration data correct for the
1997 Microchip Technology Inc.
SREFHI
SREFLO
To Slope A/D
MUX
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