PIC16F84-10I/SO Microchip Technology, PIC16F84-10I/SO Datasheet - Page 40

• Manufacturer Part Number: PIC16F84-10I/SO
• Description: IC MCU FLASH 1KX14 EE 18SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F84-10I/SO

• Core Size: 8-Bit
• Program Memory Size: 1.75KB (1K x 14)
• Core Processor: PIC
• Speed: 10MHz
• 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 ~ 6 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: 10MHz
• No. Of Timers: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT18SO-1 - SOCKET TRANSITION 18SOIC 300MIL309-1075 - ADAPTER 18-SOIC TO 18-SOIC309-1011 - ADAPTER 18-SOIC TO 18-DIP309-1010 - ADAPTER 18-SOIC TO 18-DIPAC164010 - MODULE SKT PROMATEII DIP/SOIC
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16F8X
FIGURE 8-4:
TABLE 8-1
TABLE 8-2
DS30430C-page 40
Ranges Tested:
Note :
Resonators Tested:
455 kHz
2.0 MHz
4.0 MHz
8.0 MHz
10.0 MHz
Note :
Mode
Clock from
ext. system
HS
LP
XT
Mode
HS
None of the resonators had built-in capacitors.
XT
Recommended values of C1 and C2 are identical to
the ranges tested table.
Higher capacitance increases the stability of the
oscillator but also increases the start-up time.
These values are for design guidance only. Since
each resonator has its own characteristics, the user
should consult the resonator manufacturer for the
appropriate values of external components.
Higher capacitance increases the stability of
oscillator but also increases the start-up time.
These values are for design guidance only. Rs may
be required in HS mode as well as XT mode to
avoid overdriving crystals with low drive level speci-
fication. Since each crystal has its own characteris-
tics, the user should consult the crystal
manufacturer for appropriate values of external
components.
For V
200 kHz
100 kHz
DD
10 MHz
32 kHz
2 MHz
4 MHz
4 MHz
Panasonic EFO-A455K04B
Murata Erie CSA2.00MG
Murata Erie CSA4.00MG
Murata Erie CSA8.00MT
Murata Erie CSA10.00MTZ
Open
Freq
10.0 MHz
> 4.5V, C1 = C2
455 kHz
2.0 MHz
4.0 MHz
8.0 MHz
Freq
EXTERNAL CLOCK INPUT
OPERATION (HS, XT OR LP
OSC CONFIGURATION)
CAPACITOR SELECTION FOR
CERAMIC RESONATORS
CAPACITOR SELECTION FOR
CRYSTAL OSCILLATOR
100 - 150 pF
68 - 100 pF
15 - 33 pF
15 - 33 pF
15 - 33 pF
15 - 33 pF
15 - 33 pF
OSC1/C1
47 - 100 pF
OSC1
OSC2
15 - 33 pF
15 - 33 pF
15 - 33 pF
15 - 33 pF
OSC1/C1
30 pF is recommended.
PIC16FXX
100 - 150 pF
68 - 100 pF
15 - 33 pF
15 - 33 pF
15 - 33 pF
15 - 33 pF
15 - 33 pF
OSC2/C2
47 - 100 pF
15 - 33 pF
15 - 33 pF
15 - 33 pF
15 - 33 pF
OSC2/C2
0.3%
0.5%
0.5%
0.5%
0.5%
8.2.3
Either a prepackaged oscillator can be used or a simple
oscillator circuit with TTL gates can be built.
Prepackaged oscillators provide a wide operating
range and better stability. A well-designed crystal
oscillator will provide good performance with TTL
gates. Two types of crystal oscillator circuits are
available; one with series resonance, and one with
parallel resonance.
Figure 8-5 shows a parallel resonant oscillator circuit.
The circuit is designed to use the fundamental
frequency of the crystal. The 74AS04 inverter performs
the 180-degree phase shift that a parallel oscillator
requires. The 4.7 k
feedback for stability. The 10 k
the 74AS04 in the linear region. This could be used for
external oscillator designs.
FIGURE 8-5:
Figure 8-6 shows a series resonant oscillator circuit.
This circuit is also designed to use the fundamental
frequency of the crystal. The inverter performs a
180-degree phase shift. The 330 k
the negative feedback to bias the inverters in their
linear region.
Crystals Tested:
32.768 kHz Epson C-001R32.768K-A
100 kHz
200 kHz
1.0 MHz
2.0 MHz
4.0 MHz
10.0 MHz
10k
EXTERNAL CRYSTAL OSCILLATOR
CIRCUIT
+5V
20 pF
10k
Epson C-2 100.00 KC-P
STD XTL 200.000 KHz
ECS ECS-10-13-2
ECS ECS-20-S-2
ECS ECS-40-S-4
ECS ECS-100-S-4
74AS04
XTAL
4.7k
EXTERNAL PARALLEL
RESONANT CRYSTAL
OSCILLATOR CIRCUIT
20 pF
resistor provides negative
1998 Microchip Technology Inc.
10k
74AS04
potentiometer biases
To Other
Devices
resistors provide
20 PPM
20 PPM
20 PPM
50 PPM
50 PPM
50 PPM
50 PPM
CLKIN
PIC16FXX