PIC16F84A-04E/SS Microchip Technology, PIC16F84A-04E/SS Datasheet - Page 418
![IC MCU CMOS 4MHZ 1K FLASH 20SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
PIC16F84A-04E/SS
Manufacturer Part Number
PIC16F84A-04E/SS
Description
IC MCU CMOS 4MHZ 1K FLASH 20SSOP
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-04E/SS
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
-40°C ~ 125°C
Package / Case
20-SSOP
For Use With
XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Connectivity
-
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PICmicro MID-RANGE MCU FAMILY
22.9
22.10
22.11
DS31022A-page 22-16
Effects of a RESET
Connection Considerations
Transfer Function
A device reset forces all registers to their reset state. This forces the A/D module to be turned off,
and any conversion is aborted. The value that is in the ADRES register is not modified for a
Power-on Reset. The ADRES register will contain unknown data after a Power-on Reset.
If the input voltage exceeds the rail values (V
of the conversion is out of specification.
An external RC filter is sometimes added for anti-aliasing of the input signal. The R component
should be selected to ensure that the total source impedance is kept under the 10 k
mended specification. Any external components connected (via hi-impedance) to an analog
input pin (capacitor, zener diode, etc.) should have very little leakage current at the pin.
The ideal transfer function of the A/D converter is as follows: the first transition occurs when the
analog input voltage (V
Figure 22-6:
Note:
Care must be taken when using the RA0 pin in A/D conversions due to its proximity
to the OSC1 pin.
A/D Transfer Function
AIN
) is 1 LSb (or Analog V
FEh
FFh
04h
03h
02h
01h
00h
Analog input voltage
SS
or V
REF
DD
/ 256)
) by greater than 0.2V, then the accuracy
(Figure
1997 Microchip Technology Inc.
22-6).
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