PIC16F84-10/P Microchip Technology, PIC16F84-10/P Datasheet - Page 212
![IC MCU FLASH 1KX14 EE 18DIP](/photos/6/76/67657/18-dip_300mil__sml.jpg)
PIC16F84-10/P
Manufacturer Part Number
PIC16F84-10/P
Description
IC MCU FLASH 1KX14 EE 18DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F688T-ISL.pdf
(688 pages)
2.PIC16LF84A-04P.pdf
(125 pages)
3.PIC16LF84A-04P.pdf
(4 pages)
Specifications of PIC16F84-10/P
Program Memory Type
FLASH
Program Memory Size
1.75KB (1K x 14)
Package / Case
18-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
10MHz
Peripherals
POR, WDT
Number Of I /o
13
Eeprom Size
64 x 8
Ram Size
68 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
68 B
Maximum Clock Frequency
10 MHz
Number Of Programmable I/os
13
Number Of Timers
1
Operating Supply Voltage
2 V to 6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
ICE2000
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA16XP180 - ADAPTER DEVICE FOR MPLAB-ICEAC164010 - MODULE SKT PROMATEII DIP/SOIC
Data Converters
-
Connectivity
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F84-10/P
Manufacturer:
MICROCHIP
Quantity:
4 499
Part Number:
PIC16F84-10/P
Manufacturer:
MIC
Quantity:
20 000
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PICmicro MID-RANGE MCU FAMILY
14.5.2.2
DS31014A-page 14-10
Minimum Resolution
The minimum resolution (in time) of each bit of the PWM duty cycle depends on the prescaler of
Timer2.
Table 14-4: Minimum Duty Cycle Bit Time
Example 14-2:
At most, an 8-bit resolution duty cycle can be obtained from a 78.125 kHz frequency and a
20 MHz oscillator, i.e., 0 DCxB9:DCxB0 255. Any value greater than 255 will result in a 100%
duty cycle.
In order to achieve higher resolution, the PWM frequency must be decreased. In order to achieve
higher PWM frequency, the resolution must be decreased.
Table 14-5
caler and PR2 values are also shown.
Table 14-5: Example PWM Frequencies and Bit Resolutions at 20 MHz
Desired PWM frequency is 78.125 kHz,
Fosc = 20 MHz
TMR2 prescale = 1
Find the maximum resolution of the duty cycle that can be used with a 78.125 kHz frequency
and 20 MHz oscillator:
Timer Prescaler
(1, 4, 16)
PR2 Value
Maximum
Resolution (bits)
PWM Frequency
Prescaler
1/78.125 kHz= [(PR2) + 1] • 4 • 1/20 MHz • 1
12.8 s = [(PR2) + 1] • 4 • 50 ns • 1
PR2
1/78.125 kHz= 2
12.8 s = 2
256
log(256) = (PWM Resolution) • log(2)
8.0
Value
16
1
4
lists example PWM frequencies and resolutions for Fosc = 20 MHz. The TMR2 pres-
= 63
= 2
= PWM Resolution
PWM RESOLUTION
PWM RESOLUTION
PWM Period and Duty Cycle Calculation
T2CKPS1:T2CKPS0
PWM RESOLUTION
1.22 kHz
0xFF
16
10
0 0
0 1
1 x
• 50 ns • 1
4.88 kHz
• 1/20 MHz • 1
0xFF
10
4
19.53 kHz
Minimum Resolution
0xFF
10
1
(Time)
4 T
T
T
OSC
CY
CY
78.12 kHz
0x3F
1
8
1997 Microchip Technology Inc.
156.3 kHz
0x1F
1
7
208.3 kHz
0x17
5.5
1
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