PIC18F2221-I/SP Microchip Technology, PIC18F2221-I/SP Datasheet - Page 161
![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: 161 of 396
- Download datasheet (7Mb)
16.4.9
The following steps should be taken when configuring
the ECCP module for PWM operation:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Enable PWM outputs after a new PWM cycle
© 2007 Microchip Technology Inc.
Configure the PWM pins, P1A and P1B (and
P1C and P1D, if used), as inputs by setting the
corresponding TRIS bits.
Set the PWM period by loading the PR2 register.
If auto-shutdown is required, do the following:
• Disable auto-shutdown (ECCPASE = 0)
• Configure source (FLT0, Comparator 1 or
• Wait for non-shutdown condition
Configure the ECCP module for the desired
PWM mode and configuration by loading the
CCP1CON register with the appropriate values:
• Select one of the available output
• Select the polarities of the PWM output
Set the PWM duty cycle by loading the CCPR1L
register and CCP1CON<5:4> bits.
For Half-Bridge Output mode, set the dead-
band delay by loading ECCP1DEL<6:0> with
the appropriate value.
If auto-shutdown operation is required, load the
ECCP1AS register:
• Select the auto-shutdown sources using the
• Select the shutdown states of the PWM
• Set the ECCPASE bit (ECCP1AS<7>).
• Configure the comparators using the CMCON
• Configure the comparator inputs as analog
If auto-restart operation is required, set the
PRSEN bit (ECCP1DEL<7>).
Configure and start TMR2:
• Clear the TMR2 interrupt flag bit by clearing
• Set the TMR2 prescale value by loading the
• Enable Timer2 by setting the TMR2ON bit
has started:
• Wait until TMRn overflows (TMRnIF bit is set).
• Enable the CCP1/P1A, P1B, P1C and/or P1D
• Clear the ECCPASE bit (ECCP1AS<7>).
Comparator 2)
configurations and direction with the
P1M1:P1M0 bits.
signals with the CCP1M3:CCP1M0 bits.
ECCPAS2:ECCPAS0 bits.
output pins using the PSSAC1:PSSAC0 and
PSSBD1:PSSBD0 bits.
register.
inputs.
the TMR2IF bit (PIR1<1>).
T2CKPS bits (T2CON<1:0>).
(T2CON<2>).
pin outputs by clearing the respective TRIS
bits.
SETUP FOR PWM OPERATION
Preliminary
16.4.10
In Sleep mode, all clock sources are disabled. Timer2
will not increment and the state of the module will not
change. If the ECCP pin is driving a value, it will continue
to drive that value. When the device wakes up, it will
continue from this state. If Two-Speed Start-ups are
enabled, the initial start-up frequency from INTOSC and
the postscaler may not be stable immediately.
In PRI_IDLE mode, the primary clock will continue to
clock the ECCP module without change. In all other
power-managed modes, the selected power-managed
mode clock will clock Timer2. Other power-managed
mode clocks will most likely be different than the
primary clock frequency.
16.4.10.1
If the Fail-Safe Clock Monitor is enabled, a clock failure
will force the device into the power-managed RC_RUN
mode and the OSCFIF bit (PIR2<7>) will be set. The
ECCP will then be clocked from the internal oscillator
clock source, which may have a different clock
frequency than the primary clock.
See the previous section for additional details.
16.4.11
Both Power-on Reset and subsequent Resets will force
all ports to Input mode and the CCP registers to their
Reset states.
This forces the Enhanced CCP module to reset to a
state compatible with the standard CCP module.
PIC18F4321 FAMILY
OPERATION IN POWER-MANAGED
MODES
EFFECTS OF A RESET
Operation with Fail-Safe
Clock Monitor
DS39689E-page 159
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