PIC18F26K20-E/SS Microchip Technology, PIC18F26K20-E/SS Datasheet - Page 44
![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: 44 of 430
- Download datasheet (7Mb)
PIC18F2XK20/4XK20
3.1.3
The length of the transition between clock sources is
the sum of:
• Start-up time of the new clock
• Two and one half cycles of the old clock source
• Two and one half cycles of the new clock
Three flag bits indicate the current clock source and its
status. They are:
• OSTS (of the OSCCON register)
• IOFS (of the OSCCON register)
• T1RUN (of the T1CON register)
In general, only one of these bits will be set while in a
given power-managed mode. Table 3-2 shows the rela-
tionship of the flags to the active main system clock
source.
TABLE 3-2:
.
3.1.4
The power-managed mode that is invoked with the
SLEEP instruction is determined by the setting of the
IDLEN bit of the OSCCON register at the time the
instruction is executed. All clocks stop and minimum
power is consumed when SLEEP is executed with the
IDLEN bit cleared. The system clock continues to sup-
ply a clock to the peripherals but is disconnected from
the CPU when SLEEP is executed with the IDLEN bit
set.
DS41303E-page 42
OSTS IOFS T1RUN
1
0
0
1
0
Note 1: Executing a SLEEP instruction does not
0
1
0
1
0
CLOCK TRANSITIONS AND STATUS
INDICATORS
MULTIPLE FUNCTIONS OF THE
SLEEP COMMAND
necessarily place the device into Sleep
mode. It acts as the trigger to place the
controller into either the Sleep mode or
one of the Idle modes, depending on the
setting of the IDLEN bit.
0
0
1
0
0
SYSTEM CLOCK INDICATORS
Main System Clock Source
HFINTOSC as primary clock
HFINTOSC is not yet stable
Secondary Oscillator
Primary Oscillator
LFINTOSC or
HFINTOSC
Preliminary
3.2
In the Run modes, clocks to both the core and
peripherals are active. The difference between these
modes is the clock source.
3.2.1
The PRI_RUN mode is the normal, full power execution
mode of the microcontroller. This is also the default
mode upon a device Reset, unless Two-Speed Start-up
is enabled (see Section 2.10 “Two-Speed Clock
Start-up Mode” for details). In this mode, the OSTS bit
is set. The IOFS bit will be set if the HFINTOSC is the
primary clock source and the oscillator is stable (see
Section 2.2 “Oscillator Control”).
3.2.2
The SEC_RUN mode is the mode compatible to the
“clock switching” feature offered in other PIC18
devices. In this mode, the CPU and peripherals are
clocked from the Timer1 oscillator. This gives users the
option of lower power consumption while still using a
high accuracy clock source.
SEC_RUN mode is entered by setting the SCS<1:0>
bits to ‘01’. When SEC_RUN mode is active all of the
following are true:
• The main clock source is switched to the Timer1
• Primary oscillator is shut down
• T1RUN bit of the T1CON register is set
• OSTS bit is cleared.
On transitions from SEC_RUN mode to PRI_RUN, the
peripherals and CPU continue to be clocked from the
Timer1 oscillator while the primary clock is started.
When the primary clock becomes ready, a clock switch
back to the primary clock occurs (see Figure 2-7).
When the clock switch is complete, the T1RUN bit is
cleared, the OSTS bit is set and the primary clock is
providing the main system clock. The Timer1 oscillator
continues to run as long as the T1OSCEN bit is set.
oscillator
Note:
Run Modes
PRI_RUN MODE
SEC_RUN MODE
The Timer1 oscillator should already be
running prior to entering SEC_RUN mode.
If the T1OSCEN bit is not set when the
SCS<1:0> bits are set to ‘01’, entry to
SEC_RUN mode will not occur until
T1OSCEN bit is set and Timer1 oscillator
is ready.
© 2009 Microchip Technology Inc.
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