PIC18F25J50-I/SP Microchip Technology, PIC18F25J50-I/SP Datasheet - Page 38
![IC PIC MCU FLASH 32K 2V 28-DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18F25J50-I/SP
Manufacturer Part Number
PIC18F25J50-I/SP
Description
IC PIC MCU FLASH 32K 2V 28-DIP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18LF24J10-ISS.pdf
(32 pages)
2.PIC18LF24J50-ISS.pdf
(554 pages)
3.PIC18LF24J50-ISS.pdf
(12 pages)
4.PIC18F24J50-ISS.pdf
(18 pages)
5.PIC18F26K20-ISO.pdf
(430 pages)
Specifications of PIC18F25J50-I/SP
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
28-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
16
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2.15 V ~ 3.6 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3776 B
Interface Type
EUSART/I2C/SPI
Maximum Clock Frequency
48 MHz
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DM183022, DM183032, DV164136, MA180024
Minimum Operating Temperature
- 40 C
On-chip Adc
10-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F25J50-I/SP
Manufacturer:
MICROCHIP
Quantity:
1 001
- PIC18LF24J10-ISS PDF datasheet
- PIC18LF24J50-ISS PDF datasheet #2
- PIC18LF24J50-ISS PDF datasheet #3
- PIC18F24J50-ISS PDF datasheet #4
- PIC18F26K20-ISO PDF datasheet #5
- Current page: 38 of 430
- Download datasheet (7Mb)
PIC18F2XK20/4XK20
2.10
Two-Speed Start-up mode provides additional power
savings by minimizing the latency between external
oscillator start-up and code execution. In applications
that make heavy use of the Sleep mode, Two-Speed
Start-up will remove the external oscillator start-up
time from the time spent awake and can reduce the
overall power consumption of the device.
This mode allows the application to wake-up from
Sleep, perform a few instructions using the HFINTOSC
as the clock source and go back to Sleep without
waiting for the primary oscillator to become stable.
When the Oscillator module is configured for LP, XT or
HS modes, the Oscillator Start-up Timer (OST) is
enabled (see Section 2.4.1 “Oscillator Start-up Timer
(OST)”). The OST will suspend program execution until
1024 oscillations are counted. Two-Speed Start-up
mode minimizes the delay in code execution by
operating from the internal oscillator as the OST is
counting. When the OST count reaches 1024 and the
OSTS bit of the OSCCON register is set, program
execution switches to the external oscillator.
2.10.1
Two-Speed Start-up mode is enabled when all of the
following settings are configured as noted:
• Two-Speed Start-up mode is enabled by setting
• SCS<1:0> (of the OSCCON register) = 00.
• FOSC<2:0> bits of the CONFIG1H Configuration
Two-Speed Start-up mode becomes active after:
• Power-on Reset (POR) and, if enabled, after
• Wake-up from Sleep.
If the external clock oscillator is configured to be
anything other than LP, XT or HS mode, then Two-
Speed Start-up is disabled. This is because the external
clock oscillator does not require any stabilization time
after POR or an exit from Sleep.
DS41303D-page 36
Note:
the IESO of the CONFIG1H Configuration register
is set. Fail-Safe mode (FCMEM = 1) also enables
two-speed by default.
register are configured for LP, XT or HS mode.
Power-up Timer (PWRT) has expired, or
Two-Speed Clock Start-up Mode
Executing a SLEEP instruction will abort
the oscillator start-up time and will cause
the OSTS bit of the OSCCON register to
remain clear.
TWO-SPEED START-UP MODE
CONFIGURATION
Preliminary
2.10.2
1.
2.
3.
4.
5.
6.
2.10.3
Checking the state of the OSTS bit of the OSCCON
register will confirm if the microcontroller is running
from the external clock source, as defined by the
FOSC<2:0> bits in CONFIG1H Configuration register,
or the internal oscillator. OSTS = 0 when the external
oscillator is not ready, which indicates that the system
is running from the internal oscillator.
Wake-up from Power-on Reset or Sleep.
Instructions begin executing by the internal
oscillator at the frequency set in the IRCF<2:0>
bits of the OSCCON register.
OST enabled to count 1024 external clock
cycles.
OST timed out. External clock is ready.
OSTS is set.
Clock switch finishes according to FIGURE 2-7:
“Clock Switch Timing”
TWO-SPEED START-UP
SEQUENCE
CHECKING TWO-SPEED CLOCK
STATUS
© 2008 Microchip Technology Inc.
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