PIC18F8620-I/PT Microchip Technology, PIC18F8620-I/PT Datasheet - Page 238
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PIC18F8620-I/PT
Manufacturer Part Number
PIC18F8620-I/PT
Description
IC MCU FLASH 32KX16 EE 80TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F8520T-IPT.pdf
(380 pages)
3.PIC18F8520T-IPT.pdf
(40 pages)
4.PIC18F6620-IPT.pdf
(14 pages)
5.PIC18F6620-IPT.pdf
(12 pages)
Specifications of PIC18F8620-I/PT
Core Size
8-Bit
Program Memory Size
64KB (32K x 16)
Core Processor
PIC
Speed
25MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
68
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.75K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TFQFP
Controller Family/series
PIC18
No. Of I/o's
68
Eeprom Memory Size
1024Byte
Ram Memory Size
3.75KB
Cpu Speed
25MHz
No. Of Timers
5
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3840 B
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
68
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, DM183022, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT80PT3 - SOCKET TRAN ICE 80MQFP/TQFPAC164320 - MODULE SKT MPLAB PM3 80TQFPAC174011 - MODULE SKT PROMATEII 80TQFP
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F8620-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F8620-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18F8520T-IPT PDF datasheet #2
- PIC18F8520T-IPT PDF datasheet #3
- PIC18F6620-IPT PDF datasheet #4
- PIC18F6620-IPT PDF datasheet #5
- Current page: 238 of 380
- Download datasheet (7Mb)
PIC18F6520/8520/6620/8620/6720/8720
22.2
Depending on the power source for the device voltage,
the voltage normally decreases relatively slowly. This
means that the LVD module does not need to be con-
stantly operating. To decrease the current require-
ments, the LVD circuitry only needs to be enabled for
short periods, where the voltage is checked. After
doing the check, the LVD module may be disabled.
Each time that the LVD module is enabled, the circuitry
requires some time to stabilize. After the circuitry has
stabilized, all status flags may be cleared. The module
will then indicate the proper state of the system.
FIGURE 22-4:
DS39609B-page 236
Internally Generated
Internally Generated
Reference Stable
Reference Stable
CASE 1:
CASE 2:
Operation
Enable LVD
Enable LVD
LVDIF
LVDIF
V
V
DD
DD
LOW-VOLTAGE DETECT WAVEFORMS
T
T
IVRST
IVRST
LVDIF may not be set
The following steps are needed to set up the LVD
module:
1.
2.
3.
4.
5.
6.
Figure 22-4 shows typical waveforms that the LVD
module may be used to detect.
LVDIF cleared in software,
LVDIF remains set since LVD condition still exists
Write the value to the LVDL3:LVDL0 bits
(LVDCON register), which selects the desired
LVD trip point.
Ensure that LVD interrupts are disabled (the
LVDIE bit is cleared or the GIE bit is cleared).
Enable the LVD module (set the LVDEN bit in
the LVDCON register).
Wait for the LVD module to stabilize (the IRVST
bit to become set).
Clear the LVD interrupt flag, which may have
falsely become set, until the LVD module has
stabilized (clear the LVDIF bit).
Enable the LVD interrupt (set the LVDIE and the
GIE bits).
LVDIF cleared in software
2004 Microchip Technology Inc.
LVDIF cleared in software
V
V
LVD
LVD
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