PIC18F2221-I/SP Microchip Technology, PIC18F2221-I/SP Datasheet - Page 35
![IC PIC MCU FLASH 2KX16 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18F2221-I/SP
Manufacturer Part Number
PIC18F2221-I/SP
Description
IC PIC MCU FLASH 2KX16 28DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(402 pages)
2.PIC18F2221-ISO.pdf
(8 pages)
3.PIC18F2221-ISO.pdf
(30 pages)
4.PIC18F2221-ISO.pdf
(46 pages)
5.PIC18F2321-IML.pdf
(396 pages)
Specifications of PIC18F2221-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, HLVD, 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
EUSART, I2C, MSSP, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 125 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 bit
Height
3.3 mm
Length
34.67 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.2 V
Width
7.24 mm
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:
PIC18F2221-I/SP
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC18F2221-ISO PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2221-ISO PDF datasheet #3
- PIC18F2221-ISO PDF datasheet #4
- PIC18F2321-IML PDF datasheet #5
- Current page: 35 of 396
- Download datasheet (7Mb)
3.0
PIC18F4321 family devices offer a total of seven oper-
ating modes for more efficient power-management.
These modes provide a variety of options for selective
power conservation in applications where resources
may be limited (i.e., battery-powered devices).
There are three categories of power-managed modes:
• Run modes
• Idle modes
• Sleep mode
These categories define which portions of the device
are clocked and sometimes, what speed. The Run and
Idle modes may use any of the three available clock
sources (primary, secondary or internal oscillator
block); the Sleep mode does not use a clock source.
The power-managed modes include several power-
saving features offered on previous PIC
is the clock switching feature, offered in other PIC18
devices, allowing the controller to use the Timer1 oscil-
lator in place of the primary oscillator. Also included is
the Sleep mode, offered by all PIC devices, where all
device clocks are stopped.
3.1
Selecting a power-managed mode requires two
decisions: if the CPU is to be clocked or not and the
selection
(OSCCON<7>) controls CPU clocking, while the
SCS1:SCS0 bits (OSCCON<1:0>) select the clock
source. The individual modes, bit settings, clock sources
and affected modules are summarized in Table 3-1.
TABLE 3-1:
© 2007 Microchip Technology Inc.
Sleep
PRI_RUN
SEC_RUN
RC_RUN
PRI_IDLE
SEC_IDLE
RC_IDLE
Note 1:
Mode
2:
POWER-MANAGED MODES
Selecting Power-Managed Modes
of
IDLEN reflects its value when the SLEEP instruction is executed.
Includes INTOSC and INTOSC postscaler, as well as the INTRC source.
IDLEN
a
<7>
POWER-MANAGED MODES
N/A
N/A
N/A
clock
0
1
1
1
OSCCON Bits
(1)
SCS1:SCS0
source.
<1:0>
N/A
00
01
1x
00
01
1x
The
®
devices. One
Clocked
Clocked
Clocked
IDLEN
CPU
Module Clocking
Off
Off
Off
Off
Preliminary
bit
Peripherals
Clocked
Clocked
Clocked
Clocked
Clocked
Clocked
Off
3.1.1
The SCS1:SCS0 bits allow the selection of one of three
clock sources for power-managed modes. They are:
• the primary clock, as defined by the
• the secondary clock (the Timer1 oscillator)
• the internal oscillator block (for RC modes)
3.1.2
Switching from one power-managed mode to another
begins by loading the OSCCON register. The
SCS1:SCS0 bits select the clock source and determine
which Run or Idle mode is to be used. Changing these
bits causes an immediate switch to the new clock
source, assuming that it is running. The switch may
also be subject to clock transition delays. These are
discussed in Section 3.1.3 “Clock Transitions and
Status Indicators” and subsequent sections.
Entry to the power-managed Idle or Sleep modes is
triggered by the execution of a SLEEP instruction. The
actual mode that results depends on the status of the
IDLEN bit.
Depending on the current mode and the mode being
switched to, a change to a power-managed mode does
not always require setting all of these bits. Many
transitions may be done by changing the oscillator select
bits, or changing the IDLEN bit, prior to issuing a SLEEP
instruction. If the IDLEN bit is already configured
correctly, it may only be necessary to perform a SLEEP
instruction to switch to the desired mode.
PIC18F4321 FAMILY
FOSC3:FOSC0 Configuration bits
None – All clocks are disabled
Primary – LP, XT, HS, HSPLL, RC, EC and
Internal Oscillator Block.
This is the normal full power execution mode.
Secondary – Timer1 Oscillator
Internal Oscillator Block
Primary – LP, XT, HS, HSPLL, RC, EC
Secondary – Timer1 Oscillator
Internal Oscillator Block
Available Clock and Oscillator Source
CLOCK SOURCES
ENTERING POWER-MANAGED
MODES
(2)
(2)
(2)
DS39689E-page 33
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