PIC18F26K20-E/SS Microchip Technology, PIC18F26K20-E/SS Datasheet - Page 54
![IC PIC MCU FLASH 32KX16 28SSOP](/photos/6/81/68119/150-28-ssop_sml.jpg)
PIC18F26K20-E/SS
Manufacturer Part Number
PIC18F26K20-E/SS
Description
IC PIC MCU FLASH 32KX16 28SSOP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18F25K20T-ISS.pdf
(42 pages)
2.PIC18F25K20T-ISS.pdf
(456 pages)
3.PIC18F26K20-ISS.pdf
(6 pages)
4.PIC18F26K20-ISS.pdf
(10 pages)
5.PIC18F26K20-EML.pdf
(430 pages)
Specifications of PIC18F26K20-E/SS
Core Size
8-Bit
Program Memory Size
64KB (32K x 16)
Core Processor
PIC
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SSOP
Controller Family/series
PIC18
No. Of I/o's
25
Eeprom Memory Size
1024Byte
Ram Memory Size
3.84375KB
Cpu Speed
64MHz
No. Of Timers
4
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3936 B
Interface Type
CCP, ECCP, EUSART, I2C, MSSP, SPI
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Maximum Operating Temperature
+ 125 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, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 11 Channel
Package
28SSOP
Device Core
PIC
Family Name
PIC18
Maximum Speed
64 MHz
Operating Supply Voltage
2.5|3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164112 - VOLTAGE LIMITER MPLAB ICD2 VPPAC164307 - MODULE SKT FOR PM3 28SSOP
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F26K20-E/SS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC18F25K20T-ISS PDF datasheet
- PIC18F25K20T-ISS PDF datasheet #2
- PIC18F26K20-ISS PDF datasheet #3
- PIC18F26K20-ISS PDF datasheet #4
- PIC18F26K20-EML PDF datasheet #5
- Current page: 54 of 456
- Download datasheet (4Mb)
PIC18F2XK20/4XK20
4.4
PIC18F2XK20/4XK20 devices implement a BOR circuit
that provides the user with a number of configuration and
power-saving options. The BOR is controlled by the
BORV<1:0> and BOREN<1:0> bits of the CONFIG2L
Configuration register. There are a total of four BOR
configurations which are summarized in Table 4-1.
The BOR threshold is set by the BORV<1:0> bits. If
BOR is enabled (any values of BOREN<1:0>, except
‘00’), any drop of V
for greater than T
device. A Reset may or may not occur if V
V
Brown-out Reset until V
If the Power-up Timer is enabled, it will be invoked after
V
Reset
(parameter 33). If V
Power-up Timer is running, the chip will go back into a
Brown-out Reset and the Power-up Timer will be
initialized. Once V
Timer will execute the additional time delay.
BOR
independently configured. Enabling BOR Reset does
not automatically enable the PWRT.
The BOR circuit has an output that feeds into the POR
circuit and rearms the POR within the operating range
of the BOR. This early rearming of the POR ensures
that the device will remain in Reset in the event that V
falls below the operating range of the BOR circuitry.
4.4.1
When BOR is enabled, the BOR bit always resets to ‘0’
on any BOR or POR event. This makes it difficult to
determine if a BOR event has occurred just by reading
the state of BOR alone. A more reliable method is to
simultaneously check the state of both POR and BOR.
This assumes that the POR and BOR bits are reset to
‘1’ by software immediately after any POR event. If
BOR is ‘0’ while POR is ‘1’, it can be reliably assumed
that a BOR event has occurred.
TABLE 4-1:
DS41303G-page 54
BOREN1
BOR
DD
BOR Configuration
0
0
1
1
rises above V
for less than T
and
for
Brown-out Reset (BOR)
DETECTING BOR
BOREN0
an
the
0
1
0
1
BOR CONFIGURATIONS
DD
additional
BOR
BOR
Power-on
DD
DD
rises above V
BOR
below V
DD
; it then will keep the chip in
(RCON<6>)
Unavailable
Unavailable
Unavailable
(parameter 35) will reset the
drops below V
SBOREN
Status of
Available
. The chip will remain in
rises above V
time
BOR
Timer
BOR
(parameter D005)
BOR disabled; must be enabled by reprogramming the Configuration bits.
BOR enabled by software; operation controlled by SBOREN.
BOR enabled by hardware in Run and Idle modes, disabled during
Sleep mode.
BOR enabled by hardware; must be disabled by reprogramming the Configuration bits.
delay,
, the Power-up
BOR
(PWRT)
DD
BOR
falls below
.
while the
T
PWRT
are
DD
4.4.2
When BOREN<1:0> = 01, the BOR can be enabled or
disabled by the user in software. This is done with the
SBOREN control bit of the RCON register. Setting
SBOREN enables the BOR to function as previously
described. Clearing SBOREN disables the BOR
entirely. The SBOREN bit operates only in this mode;
otherwise it is read as ‘0’.
Placing the BOR under software control gives the user
the additional flexibility of tailoring the application to its
environment without having to reprogram the device to
change BOR configuration. It also allows the user to
tailor device power consumption in software by
eliminating the incremental current that the BOR
consumes. While the BOR current is typically very small,
it may have some impact in low-power applications.
4.4.3
When BOREN<1:0> = 10, the BOR remains under
hardware
described. Whenever the device enters Sleep mode,
however, the BOR is automatically disabled. When the
device returns to any other operating mode, BOR is
automatically re-enabled.
This mode allows for applications to recover from
brown-out situations, while actively executing code,
when the device requires BOR protection the most. At
the same time, it saves additional power in Sleep mode
by eliminating the small incremental BOR current.
4.4.4
Enabling the BOR also enables the Fixed Voltage
Reference (FVR) when no other peripheral requiring the
FVR is active. The BOR becomes active only after the
FVR stabilizes. Therefore, to ensure BOR protection,
the FVR settling time must be considered when
enabling the BOR in software or when the BOR is
automatically enabled after waking from Sleep. If the
BOR is disabled, in software or by reentering Sleep
before the FVR stabilizes, the BOR circuit will not sense
a BOR condition. The FVRST bit of the CVRCON2
register can be used to determine FVR stability.
Note:
BOR Operation
SOFTWARE ENABLED BOR
Even when BOR is under software control,
the BOR Reset voltage level is still set by
the BORV<1:0> Configuration bits. It
cannot be changed by software.
DISABLING BOR IN SLEEP MODE
MINIMUM BOR ENABLE TIME
control
and
2010 Microchip Technology Inc.
operates
as
previously
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