DSPIC30F3010-20I/ML Microchip Technology, DSPIC30F3010-20I/ML Datasheet - Page 150
![IC DSPIC MCU/DSP 24K 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
DSPIC30F3010-20I/ML
Manufacturer Part Number
DSPIC30F3010-20I/ML
Description
IC DSPIC MCU/DSP 24K 44QFN
Manufacturer
Microchip Technology
Series
dsPIC™ 30Fr
Datasheets
1.DSPIC30F3010-30ISO.pdf
(228 pages)
2.DSPIC30F3010-30ISO.pdf
(18 pages)
3.DSPIC30F3010-30ISO.pdf
(6 pages)
4.DSPIC30F3010-30ISO.pdf
(16 pages)
5.DSPIC30F3010-30ISO.pdf
(22 pages)
6.DSPIC30F3010-20ISP.pdf
(226 pages)
Specifications of DSPIC30F3010-20I/ML
Core Processor
dsPIC
Core Size
16-Bit
Speed
20 MIPS
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, Motor Control PWM, QEI, POR, PWM, WDT
Number Of I /o
20
Program Memory Size
24KB (8K x 24)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Core Frequency
40MHz
Core Supply Voltage
5.5V
Embedded Interface Type
I2C, SPI, UART
No. Of I/o's
20
Flash Memory Size
24KB
Supply Voltage Range
2.5V To 5.5V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT44QFN4 - SOCKET TRANS ICE 28DIP TO 44QFNAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
DSPIC30F301020IML
- DSPIC30F3010-30ISO PDF datasheet
- DSPIC30F3010-30ISO PDF datasheet #2
- DSPIC30F3010-30ISO PDF datasheet #3
- DSPIC30F3010-30ISO PDF datasheet #4
- DSPIC30F3010-30ISO PDF datasheet #5
- DSPIC30F3010-20ISP PDF datasheet #6
- Current page: 150 of 228
- Download datasheet (4Mb)
dsPIC30F3010/3011
20.4
20.4.1
The primary function of the Watchdog Timer (WDT) is
to reset the processor in the event of a software
malfunction. The WDT is a free-running timer, which
runs off an on-chip RC oscillator, requiring no external
component. Therefore, the WDT timer will continue to
operate even if the main processor clock (e.g., the
crystal oscillator) fails.
20.4.2
The Watchdog Timer can be “enabled” or “disabled”
only through a Configuration bit (FWDTEN) in the
Configuration register, FWDT.
Setting FWDTEN = 1 enables the Watchdog Timer.
The enabling is done when programming the device.
By default, after chip erase, FWDTEN bit = 1. Any
device
dsPIC30F devices allows programming of this and
other Configuration bits.
If enabled, the WDT will increment until it overflows or
“times out”. A WDT time-out will force a device Reset
(except during Sleep). To prevent a WDT time-out, the
user must clear the Watchdog Timer using a CLRWDT
instruction.
If a WDT times out during Sleep, the device will wake-
up. The WDTO bit in the RCON register will be cleared
to indicate a wake-up resulting from a WDT time-out.
Setting FWDTEN = 0 allows user software to enable/
disable the Watchdog Timer via the SWDTEN
(RCON<5>) control bit.
20.5
There are two power-saving states that can be entered
through the execution of a special instruction, PWRSAV.
These are: Sleep and Idle.
The format of the PWRSAV instruction is as follows:
PWRSAV <parameter>, where ‘parameter’ defines
Idle or Sleep mode.
DS70141F-page 150
Power-Saving Modes
programmer
Watchdog Timer (WDT)
WATCHDOG TIMER OPERATION
ENABLING AND DISABLING THE
WDT
capable
of
programming
20.5.1
In Sleep mode, the clock to the CPU and peripherals is
shut down. If an on-chip oscillator is being used, it is
shut down.
The Fail-Safe Clock Monitor is not functional during
Sleep, since there is no clock to monitor. However, the
LPRC clock remains active if WDT is operational during
Sleep.
The brown-out protection circuit and the Low-Voltage
Detect (LVD) circuit, if enabled, will remain functional
during Sleep.
The processor wakes up from Sleep if at least one of
the following conditions has occurred:
• any interrupt that is individually enabled and
• any Reset (POR, BOR and MCLR)
• WDT time-out
On waking up from Sleep mode, the processor will
restart the same clock that was active prior to entry
into Sleep mode. When clock switching is enabled,
bits, COSC<1:0>, will determine the oscillator source
that will be used on wake-up. If clock switch is
disabled, then there is only one system clock.
If the clock source is an oscillator, the clock to the
device will be held off until OST times out (indicating a
stable oscillator). If PLL is used, the system clock is
held off until LOCK = 1 (indicating that the PLL is
stable). In either case, T
are applied.
If EC, FRC, LPRC or EXTRC oscillators are used, then
a delay of T
delay possible on wake-up from Sleep.
Moreover, if the LP oscillator was active during Sleep,
and LP is the oscillator used on wake-up, then the start-
up delay will be equal to T
timer delay are not applied. In order to have the small-
est possible start-up delay when waking up from Sleep,
one of these faster wake-up options should be selected
before entering Sleep.
meets the required priority level
Note:
POR
SLEEP MODE
If a POR or BOR occurred, the selection of
the oscillator is based on the FOS<1:0>
and FPR<3:0> Configuration bits.
(~ 10 μs) is applied. This is the smallest
© 2010 Microchip Technology Inc.
POR
POR
, T
LOCK
. PWRT delay and OST
and T
PWRT
delays
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