DSPIC33FJ32MC302T-I/MM Microchip Technology, DSPIC33FJ32MC302T-I/MM Datasheet - Page 157
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DSPIC33FJ32MC302T-I/MM
Manufacturer Part Number
DSPIC33FJ32MC302T-I/MM
Description
16 Bit MCU/DSP 40MIPS 32 KB FLASH 28 QFN-S 6x6mm T/R
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Specifications of DSPIC33FJ32MC302T-I/MM
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, Motor Control PWM, QEI, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 6x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DV164033 - KIT START EXPLORER 16 MPLAB ICD2DM240001 - BOARD DEMO PIC24/DSPIC33/PIC32
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPIC33FJ32MC302T-I/MM
Manufacturer:
MICROCHIP
Quantity:
12 000
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10.0
The dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/
X04 and dsPIC33FJ128MCX02/X04 devices provide
the ability to manage power consumption by
selectively managing clocking to the CPU and the
peripherals. In general, a lower clock frequency and
a reduction in the number of circuits being clocked
constitutes lower consumed power.
dsPIC33FJ32MC302/304,
and dsPIC33FJ128MCX02/X04 devices can manage
power consumption in four ways:
• Clock frequency
• Instruction-based Sleep and Idle modes
• Software-controlled Doze mode
• Selective peripheral control in software
Combinations of these methods can be used to
selectively tailor an application’s power consumption
while still maintaining critical application features, such
as timing-sensitive communications.
10.1
dsPIC33FJ32MC302/304,
and dsPIC33FJ128MCX02/X04 devices allow a wide
range of clock frequencies to be selected under
application control. If the system clock configuration is
not
high-precision oscillators by simply changing the
NOSC bits (OSCCON<10:8>). The process of
changing a system clock during operation, as well as
limitations to the process, are discussed in more detail
in
EXAMPLE 10-1:
© 2011 Microchip Technology Inc.
dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
PWRSAV #SLEEP_MODE
PWRSAV #IDLE_MODE
Section 9.0 “Oscillator
Note 1: This data sheet summarizes the features
locked,
2: Some registers and associated bits
POWER-SAVING FEATURES
Clock Frequency and Clock
Switching
of
dsPIC33FJ64MCX02/X04
dsPIC33FJ128MCX02/X04
devices. It is not intended to be a
comprehensive reference source. To
complement the information in this data
sheet, refer to “Section 9. Watchdog
Timer and Power Savings Modes”
(DS70196) of the “dsPIC33F/PIC24H
Family Reference Manual”, which is
available from the Microchip web site
(www.microchip.com).
described in this section may not be
available on all devices. Refer to
Section 4.0 “Memory Organization”
this data sheet for device-specific register
and bit information.
users
the
PWRSAV INSTRUCTION SYNTAX
can
Configuration”.
dsPIC33FJ32MC302/304,
dsPIC33FJ64MCX02/X04
dsPIC33FJ64MCX02/X04
; Put the device into SLEEP mode
; Put the device into IDLE mode
choose
low-power
family
and
of
in
or
10.2
dsPIC33FJ32MC302/304,
and dsPIC33FJ128MCX02/X04 devices have two
special power-saving modes that are entered through
the execution of a special PWRSAV instruction. Sleep
mode stops clock operation and halts all code
execution. Idle mode halts the CPU and code
execution, but allows peripheral modules to continue
operation. The assembler syntax of the PWRSAV
instruction is shown in
Sleep and Idle modes can be exited as a result of an
enabled interrupt, WDT time-out or a device Reset. When
the device exits these modes, it is said to wake up.
10.2.1
The following occur in Sleep mode:
• The system clock source is shut down. If an
• The device current consumption is reduced to a
• The Fail-Safe Clock Monitor does not operate,
• The LPRC clock continues to run in Sleep mode if
• The WDT, if enabled, is automatically cleared
• Some device features or peripherals can continue
• Any peripheral that requires the system clock
The device wakes up from Sleep mode on any of the
these events:
• Any interrupt source that is individually enabled
• Any form of device Reset
• A WDT time-out
On wake-up from Sleep mode, the processor restarts
with the same clock source that was active when Sleep
mode was entered.
on-chip oscillator is used, it is turned off
minimum, provided that no I/O pin is sourcing
current
since the system clock source is disabled
the WDT is enabled
prior to entering Sleep mode
to operate. This includes items such as the input
change notification on the I/O ports, or peripherals
that use an external clock input.
source for its operation is disabled
Note:
Instruction-Based Power-Saving
Modes
SLEEP MODE
SLEEP_MODE and IDLE_MODE are con-
stants defined in the assembler include
file for the selected device.
Example
dsPIC33FJ64MCX02/X04
10-1.
DS70291E-page 157
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