PIC18F8722-I/PT Microchip Technology, PIC18F8722-I/PT Datasheet - Page 295
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC18F8722-I/PT
Manufacturer Part Number
PIC18F8722-I/PT
Description
IC PIC MCU FLASH 64KX16 80TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.DV164136.pdf
(6 pages)
3.DV164136.pdf
(446 pages)
4.PIC18F8627T-IPT.pdf
(44 pages)
5.PIC18LF6627-IPT.pdf
(16 pages)
6.PIC18F8622-IPT.pdf
(448 pages)
Specifications of PIC18F8722-I/PT
Program Memory Type
FLASH
Program Memory Size
128KB (64K x 16)
Package / Case
80-TFQFP
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
70
Eeprom Size
1K x 8
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
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
70
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, DM183032, DM183022, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
16-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DV164136 - DEVELOPMENT KIT FOR PIC18XLT80PT3 - SOCKET TRAN ICE 80MQFP/TQFPAC164320 - MODULE SKT MPLAB PM3 80TQFPAC174011 - MODULE SKT PROMATEII 80TQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F8722-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F8722-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- DV164136 PDF datasheet #2
- DV164136 PDF datasheet #3
- PIC18F8627T-IPT PDF datasheet #4
- PIC18LF6627-IPT PDF datasheet #5
- PIC18F8622-IPT PDF datasheet #6
- Current page: 295 of 446
- Download datasheet (7Mb)
24.2
The following steps are needed to set up the HLVD
module:
1.
2.
3.
4.
5.
24.3
When the module is enabled, the HLVD comparator
and voltage divider are enabled and will consume static
current. The total current consumption, when enabled,
is specified in electrical specification parameter D022B
(Section 28.2 “DC Characteristics”).
FIGURE 24-2:
© 2008 Microchip Technology Inc.
Write the value to the HLVDL<3:0> bits that
selects the desired HLVD trip point.
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.
Enable the HLVD interrupt if interrupts are
desired by setting the HLVDIE and GIE bits
(PIE2<2> and INTCON<7>). An interrupt will not
be generated until the IRVST bit is set.
CASE 1:
CASE 2:
Enable HLVD
Enable HLVD
HLVD Setup
Current Consumption
HLVDIF
HLVDIF
IRVST
IRVST
V
V
DD
DD
LOW-VOLTAGE DETECT OPERATION (VDIRMAG = 0)
Internal Reference is stable
Internal Reference is stable
T
T
IRVST
IRVST
HLVDIF may not be set
HLVDIF cleared in software,
HLVDIF remains set since HLVD condition still exists
Depending on the application, the HLVD module does
not need to be operating constantly. To decrease the
current requirements, the HLVD circuitry may only
need to be enabled for short periods where the voltage
is checked. After doing the check, the HLVD module
may be disabled.
24.4
The internal reference voltage of the HLVD module,
specified in electrical specification parameter D420
(Section 28.2 “DC 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
of device clock speed. It is specified in electrical
specification parameter 36 (Table 28-12).
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. Refer to
Figure 24-2 or Figure 24-3.
PIC18F8722 FAMILY
HLVD Start-up Time
IRVST
HLVDIF cleared in software
, is an interval that is independent
HLVDIF cleared in software
V
V
DS39646C-page 293
HLVD
HLVD
IRVST
has
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