PIC18F2220-I/SP Microchip Technology, PIC18F2220-I/SP Datasheet - Page 125
![IC MCU FLASH 2KX16 A/D 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18F2220-I/SP
Manufacturer Part Number
PIC18F2220-I/SP
Description
IC MCU FLASH 2KX16 A/D 28DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2220-ISO.pdf
(394 pages)
3.PIC18F2220-ISO.pdf
(6 pages)
4.PIC18F2220-ISO.pdf
(6 pages)
5.PIC18F2220-ISO.pdf
(8 pages)
6.PIC18F2220-ISO.pdf
(6 pages)
7.PIC18F2220-ISO.pdf
(6 pages)
8.PIC18F2220-ISP.pdf
(388 pages)
Specifications of PIC18F2220-I/SP
Program Memory Type
FLASH
Program Memory Size
4KB (2K x 16)
Package / Case
28-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
25
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI/I2C/USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
25
Number Of Timers
5
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE4000, ICE2000, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10-ch x 10-bit
Package
28SPDIP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F2220-I/SP
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18F2220-ISO PDF datasheet #2
- PIC18F2220-ISO PDF datasheet #3
- PIC18F2220-ISO PDF datasheet #4
- PIC18F2220-ISO PDF datasheet #5
- PIC18F2220-ISO PDF datasheet #6
- PIC18F2220-ISO PDF datasheet #7
- PIC18F2220-ISP PDF datasheet #8
- Current page: 125 of 394
- Download datasheet (7Mb)
12.2
A crystal oscillator circuit is built-in between pins,
T1OSI (input) and T1OSO (amplifier output). It is
enabled by setting control bit, T1OSCEN (T1CON<3>).
The oscillator is a low-power oscillator rated for 32 kHz
crystals. It will continue to run during all power-
managed modes. The circuit for a typical LP oscillator
is shown in Figure 12-3. Table 12-1 shows the
capacitor selection for the Timer1 oscillator.
The user must provide a software time delay to ensure
proper start-up of the Timer1 oscillator.
FIGURE 12-3:
TABLE 12-1:
© 2007 Microchip Technology Inc.
Osc Type
Note 1: Microchip suggests this value as a starting
Note:
LP
2: Higher capacitance increases the stability
3: Since each resonator/crystal has its own
4: Capacitor values are for design guidance
Timer1 Oscillator
22 pF
22 pF
C1
C2
See the Notes with Table 12-1 for additional
information about capacitor selection.
point in validating the oscillator circuit.
of the oscillator but also increases the
start-up time.
characteristics, the user should consult
the resonator/crystal manufacturer for
appropriate
components.
only.
32 kHz
Freq
CAPACITOR SELECTION FOR
THE TIMER OSCILLATOR
32.768 kHz
XTAL
EXTERNAL COMPONENTS
FOR THE TIMER1 LP
OSCILLATOR
values
22 pF
T1OSI
T1OSO
C1
PIC18FXXXX
(1)
of
22 pF
PIC18F2220/2320/4220/4320
external
C2
(2,3,4)
(1)
12.3
The Timer1 oscillator circuit draws very little power
during operation. Due to the low-power nature of the
oscillator, it may also be sensitive to rapidly changing
signals in close proximity.
The oscillator circuit, shown in Figure 12-3, should be
located as close as possible to the microcontroller.
There should be no circuits passing within the oscillator
circuit boundaries other than V
If a high-speed circuit must be located near the oscilla-
tor (such as the CCP1 pin in output compare or PWM
mode, or the primary oscillator using the OSC2 pin), a
grounded guard ring around the oscillator circuit, as
shown in Figure 12-4, may be helpful when used on a
single-sided PCB or in addition to a ground plane.
FIGURE 12-4:
Note: Not drawn to scale.
Timer1 Oscillator Layout
Considerations
OSCILLATOR CIRCUIT
WITH GROUNDED GUARD
RING
SS
V
OSC1
RC0
V
OSC2
RC1
RC2
or V
DD
SS
DS39599G-page 123
DD
.
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