PIC18F67K22-I/PTRSL Microchip Technology, PIC18F67K22-I/PTRSL Datasheet - Page 379
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC18F67K22-I/PTRSL
Manufacturer Part Number
PIC18F67K22-I/PTRSL
Description
MCU PIC 128K FLASH XLP 64TQFP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC16F722-ISS.pdf
(8 pages)
2.PIC18F65K22T-IPTRSL.pdf
(548 pages)
3.PIC18F65K22T-IPTRSL.pdf
(10 pages)
Specifications of PIC18F67K22-I/PTRSL
Core Size
8-Bit
Program Memory Size
128KB (64K x 16)
Core Processor
PIC
Speed
64MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
53
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Controller Family/series
PIC18
Eeprom Memory Size
1024Byte
Ram Memory Size
3862Byte
Cpu Speed
16MIPS
No. Of Timers
11
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F67K22-I/PTRSL
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F722-ISS PDF datasheet
- PIC18F65K22T-IPTRSL PDF datasheet #2
- PIC18F65K22T-IPTRSL PDF datasheet #3
- Current page: 379 of 548
- Download datasheet (5Mb)
26.2
To set up the HLVD module:
1.
2.
3.
4.
5.
2010 Microchip Technology Inc.
Note:
Select the desired HLVD trip point by writing the
value to the HLVDL<3:0> bits.
Set the VDIRMAG bit to detect high voltage
(VDIRMAG = 1 ) or low voltage (VDIRMAG = 0 ).
Enable the HLVD module by setting the
HLVDEN bit.
Clear the HLVD interrupt flag (PIR2<2>), which
may have been set from a previous interrupt.
If interrupts are desired, enable the HLVD inter-
rupt by setting the HLVDIE and GIE bits
(PIE2<2> and INTCON<7>, respectively).
An interrupt will not be generated until the
IRVST bit is set.
HLVD Setup
Before changing any module settings
(V
module (LVDEN = 0 ), make the changes
and re-enable the module. This prevents
the generation of false HLVD events.
DIRMAG
, LVDL<3:0>), first disable the
Preliminary
PIC18F87K22 FAMILY
26.3
When the module is enabled, the HLVD comparator
and voltage divider are enabled and consume static
current. The total current consumption, when enabled,
is specified in electrical specification parameter D022B
(Table 31-12).
Depending on the application, the HLVD module does
not need to operate constantly. To reduce current
requirements, the HLVD circuitry may only need to be
enabled for short periods where the voltage is checked.
After such a check, the module could be disabled.
26.4
The internal reference voltage of the HLVD module,
specified in electrical specification parameter 37
( Section 31.0 “Electrical Characteristics” ), may be
used by other internal circuitry, such as the
programmable Brown-out Reset. If the HLVD or other
circuits using the voltage reference are disabled to
lower the device’s current consumption, the reference
voltage circuit will require time to become stable before
a low or high-voltage condition can be reliably
detected. This start-up time, T
is independent of device clock speed. It is specified in
electrical specification parameter 37 (Table 31-12).
The HLVD interrupt flag is not enabled until T
expired and a stable reference voltage is reached. For
this reason, brief excursions beyond the set point may
not be detected during this interval (see Figure 26-2 or
Figure 26-3).
Current Consumption
HLVD Start-up Time
IRVST
DS39960B-page 379
, is an interval that
IRVST
has
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