PIC18LF6527-I/PT Microchip Technology, PIC18LF6527-I/PT Datasheet - Page 55
![IC PIC MCU FLASH 24KX16 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18LF6527-I/PT
Manufacturer Part Number
PIC18LF6527-I/PT
Description
IC PIC MCU FLASH 24KX16 64TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.DV164136.pdf
(446 pages)
3.PIC18F6527-IPT.pdf
(10 pages)
Specifications of PIC18LF6527-I/PT
Core Size
8-Bit
Program Memory Size
48KB (24K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
54
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3936 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Controller Family/series
PIC18
No. Of I/o's
54
Eeprom Memory Size
1024Byte
Ram Memory Size
3.84375KB
Cpu Speed
40MHz
No. Of Timers
5
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3936 B
Interface Type
SPI, I2C, EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
54
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 12 Channel
Package
64TQFP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Operating Supply Voltage
2.5|3.3|5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF6527-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18LF6527-I/PT
Manufacturer:
MIC
Quantity:
20 000
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4.5
The PIC18F8722 family of devices incorporates three
separate on-chip timers that help regulate the Power-on
Reset process. Their main function is to ensure that the
device clock is stable before code is executed. These
timers are:
• Power-up Timer (PWRT)
• Oscillator Start-up Timer (OST)
• PLL Lock Time-out
4.5.1
The Power-up Timer (PWRT) of the PIC18F8722
family of devices is an 11-bit counter which uses the
INTRC source as the clock input. While the PWRT is
counting, the device is held in Reset.
The power-up time delay depends on the INTRC clock
and will vary from chip-to-chip due to temperature and
process variation. See DC parameter 33 in Table 28-12
for details.
The PWRT is enabled by clearing the PWRTEN
Configuration bit.
4.5.2
The Oscillator Start-up Timer (OST) provides a 1024
oscillator cycle (from OSC1 input) delay after the
PWRT delay is over (parameter 33, Table 28-12). This
ensures that the crystal oscillator or resonator has
started and stabilized.
The OST time-out is invoked only for XT, LP, HS and
HSPLL modes and only on Power-on Reset, or on exit
from most power-managed modes.
TABLE 4-2:
© 2008 Microchip Technology Inc.
HSPLL
HS, XT, LP
EC, ECIO
RC, RCIO
INTIO1, INTIO2
Note 1: See parameter 33, Table 28-12.
Configuration
2: 2 ms is the nominal time required for the PLL to lock.
Oscillator
Device Reset Timers
POWER-UP TIMER (PWRT)
OSCILLATOR START-UP TIMER
(OST)
TIME-OUT IN VARIOUS SITUATIONS
T
PWRT
T
PWRT
(1)
PWRTEN = 0
+ 1024 T
T
T
T
(1)
PWRT
PWRT
PWRT
+ 1024 T
Power-up
(1)
(1)
(1)
OSC
+ T
OSC
PLL
(2)
(2)
and Brown-out
4.5.3
With the PLL enabled in its PLL mode, the time-out
sequence following a Power-on Reset is slightly differ-
ent from other oscillator modes. A separate timer is
used to provide a fixed time-out that is sufficient for the
PLL to lock to the main oscillator frequency. This PLL
lock time-out (T
oscillator start-up time-out.
4.5.4
On power-up, the time-out sequence is as follows:
1.
2.
The total time-out will vary based on oscillator configu-
ration and the status of the PWRT. Figure 4-3,
Figure 4-4, Figure 4-5, Figure 4-6 and Figure 4-7 all
depict time-out sequences on power-up, with the
Power-up Timer enabled and the device operating in
HS Oscillator mode. Figures 4-3 through 4-6 also apply
to devices operating in XT or LP modes. For devices in
RC mode and with the PWRT disabled, on the other
hand, there will be no time-out at all.
Since the time-outs occur from the POR pulse, if MCLR
is kept low long enough, all time-outs will expire. Bring-
ing MCLR high will begin execution immediately
(Figure 4-5). This is useful for testing purposes or to
synchronize more than one PIC18F8722 family device
operating in parallel.
1024 T
PIC18F8722 FAMILY
PWRTEN = 1
After the POR pulse has cleared, PWRT time-out
is invoked (if enabled).
Then, the OST is activated.
1024 T
OSC
—
—
—
PLL LOCK TIME-OUT
TIME-OUT SEQUENCE
+ T
OSC
PLL
PLL
(2)
) is typically 2 ms and follows the
Power-Managed Mode
1024 T
1024 T
Exit from
DS39646C-page 53
OSC
—
—
—
+ T
OSC
PLL
(2)
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