PIC18LF4221-I/PT Microchip Technology, PIC18LF4221-I/PT Datasheet - Page 161
PIC18LF4221-I/PT
Manufacturer Part Number
PIC18LF4221-I/PT
Description
4 KB Flash, 512 RAM 44 TQFP 10x10x1mm TRAY
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)
Specifications of PIC18LF4221-I/PT
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
36
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF4221-I/PT
Manufacturer:
Microchip Technology
Quantity:
135
Company:
Part Number:
PIC18LF4221-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC18F2221-ISO PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2221-ISO PDF datasheet #3
- PIC18F2221-ISO PDF datasheet #4
- Current page: 161 of 402
- Download datasheet (7Mb)
FIGURE 17-8:
FIGURE 17-9:
© 2009 Microchip Technology Inc.
Note 1: The direction bit in the CCP1 Control register (CCP1CON<7>) is written any time during the PWM cycle.
P1A (Active-High)
P1B (Active-High)
P1C (Active-High)
P1D (Active-High)
Note 1: All signals are shown as active-high.
External Switch C
External Switch D
2: When changing directions, the P1A and P1C signals switch before the end of the current PWM cycle at intervals
SIGNAL
of 4 T
are inactive at this time.
Shoot-Through
2: t
3: t
OSC
ON
OFF
Current
Potential
is the turn-on delay of power switch QC and its driver.
P1C
P1D
P1A
P1B
PWM DIRECTION CHANGE
, 16 T
PWM DIRECTION CHANGE AT NEAR 100% DUTY CYCLE
PIC18F2221/2321/4221/4321 FAMILY
is the turn-off delay of power switch QD and its driver.
(1)
(1)
(1)
(1)
(1)
(1)
(1)
OSC
or 64 T
DC
OSC
, depending on the Timer2 prescaler value. The modulated P1B and P1D signals
Forward Period
Period
DC
(1)
t1
DC
(Note 2)
t
ON
Reverse Period
t
t = t
(2)
OFF
(3)
OFF
Period
DC
– t
ON
(2,3)
DS39689F-page 161
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