PIC24FJ256GA108-E/PT Microchip Technology, PIC24FJ256GA108-E/PT Datasheet - Page 126
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PIC24FJ256GA108-E/PT
Manufacturer Part Number
PIC24FJ256GA108-E/PT
Description
IC PIC MCU FLASH 256KB 80-TQFP
Manufacturer
Microchip Technology
Series
PIC® 24Fr
Datasheets
1.PIC24FJ128GA008-IPT.pdf
(12 pages)
2.PIC24FJ128GA106-IPT.pdf
(14 pages)
3.PIC24FJ128GA106-IPT.pdf
(330 pages)
4.PIC24FJ128GA106-IPT.pdf
(52 pages)
5.PIC24FJ128GA110-EPT.pdf
(310 pages)
Specifications of PIC24FJ256GA108-E/PT
Program Memory Type
FLASH
Program Memory Size
256KB (85.5K x 24)
Package / Case
80-TFQFP
Core Processor
PIC
Core Size
16-Bit
Speed
32MHz
Connectivity
I²C, PMP, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
69
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
PIC24FJ
Core
PIC
Data Bus Width
16 bit
Data Ram Size
16 KB
Interface Type
I2C/SPI/UART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
68
Number Of Timers
5
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52713-733, 52714-737, 53276-922, EWDSPIC
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DM240001, DM240011
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
MA240015 - BOARD MCV PIM FOR 24F256GADM240011 - KIT STARTER MPLAB FOR PIC24F MCU
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC24FJ256GA108-E/PT
Manufacturer:
Microchip Technology
Quantity:
135
Company:
Part Number:
PIC24FJ256GA108-E/PT
Manufacturer:
Microchip Technology
Quantity:
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- PIC24FJ128GA008-IPT PDF datasheet
- PIC24FJ128GA106-IPT PDF datasheet #2
- PIC24FJ128GA106-IPT PDF datasheet #3
- PIC24FJ128GA106-IPT PDF datasheet #4
- PIC24FJ128GA110-EPT PDF datasheet #5
- Current page: 126 of 330
- Download datasheet (3Mb)
PIC24FJ256GA110 FAMILY
9.2.2
Idle mode has these features:
• The CPU will stop executing instructions.
• The WDT is automatically cleared.
• The system clock source remains active. By
• If the WDT or FSCM is enabled, the LPRC will
The device will wake from Idle mode on any of these
events:
• Any interrupt that is individually enabled
• Any device Reset
• A WDT time-out
On wake-up from Idle, the clock is reapplied to the CPU
and instruction execution begins immediately, starting
with the instruction following the PWRSAV instruction or
the first instruction in the ISR.
9.2.3
Any interrupt that coincides with the execution of a
PWRSAV instruction will be held off until entry into Sleep
or Idle mode has completed. The device will then
wake-up from Sleep or Idle mode.
9.3
Generally, changing clock speed and invoking one of
the power-saving modes are the preferred strategies
for reducing power consumption. There may be
circumstances, however, where this is not practical. For
example, it may be necessary for an application to
maintain uninterrupted synchronous communication,
even while it is doing nothing else. Reducing system
clock speed may introduce communication errors,
while
communications completely.
Doze mode is a simple and effective alternative method
to reduce power consumption while the device is still
executing code. In this mode, the system clock contin-
ues to operate from the same source and at the same
speed. Peripheral modules continue to be clocked at
the same speed while the CPU clock speed is reduced.
Synchronization between the two clock domains is
maintained, allowing the peripherals to access the
SFRs while the CPU executes code at a slower rate.
Doze mode is enabled by setting the DOZEN bit
(CLKDIV<11>). The ratio between peripheral and core
clock speed is determined by the DOZE<2:0> bits
(CLKDIV<14:12>).
configurations, from 1:1 to 1:128, with 1:1 being the
default.
DS39905E-page 126
default, all peripheral modules continue to operate
normally from the system clock source, but can
also be selectively disabled (see
“Selective Peripheral Module
also remain active.
using
Doze Mode
IDLE MODE
INTERRUPTS COINCIDENT WITH
POWER SAVE INSTRUCTIONS
a
power-saving
There
are
Control”).
mode
Section 9.4
eight
may
possible
stop
It is also possible to use Doze mode to selectively
reduce power consumption in event driven applica-
tions. This allows clock-sensitive functions, such as
synchronous communications, to continue without
interruption while the CPU Idles, waiting for something
to invoke an interrupt routine. Enabling the automatic
return to full-speed CPU operation on interrupts is
enabled by setting the ROI bit (CLKDIV<15>). By
default, interrupt events have no effect on Doze mode
operation.
9.4
Idle and Doze modes allow users to substantially
reduce power consumption by slowing or stopping the
CPU clock. Even so, peripheral modules still remain
clocked and thus consume power. There may be cases
where the application needs what these modes do not
provide: the allocation of power resources to CPU
processing with minimal power consumption from the
peripherals.
PIC24F devices address this requirement by allowing
peripheral modules to be selectively disabled, reducing
or eliminating their power consumption. This can be
done with two control bits:
• The Peripheral Enable bit, generically named
• The Peripheral Module Disable (PMD) bit,
Both bits have similar functions in enabling or disabling
its associated module. Setting the PMD bit for a module
disables all clock sources to that module, reducing its
power consumption to an absolute minimum. In this
state, the control and status registers associated with
the peripheral will also be disabled, so writes to those
registers will have no effect and read values will be
invalid. Many peripheral modules have a corresponding
PMD bit.
In contrast, disabling a module by clearing its XXXEN
bit disables its functionality, but leaves its registers
available to be read and written to. This reduces power
consumption, but not by as much as setting the PMD
bit does. Most peripheral modules have an enable bit;
exceptions include input capture, output compare and
RTCC.
To achieve more selective power savings, peripheral
modules can also be selectively disabled when the
device enters Idle mode. This is done through the
control bit of the generic name format, “XXXIDL”. By
default, all modules that can operate during Idle mode
will do so. Using the disable on Idle feature allows
further reduction of power consumption during Idle
mode, enhancing power savings for extremely critical
power applications.
“XXXEN”, located in the module’s main control
SFR.
generically named, “XXXMD”, located in one of
the PMD Control registers.
Selective Peripheral Module
Control
2010 Microchip Technology Inc.
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