DSPIC30F3010-20I/SO Microchip Technology, DSPIC30F3010-20I/SO Datasheet - Page 87
DSPIC30F3010-20I/SO
Manufacturer Part Number
DSPIC30F3010-20I/SO
Description
IC DSPIC MCU/DSP 24K 28SOIC
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)
Specifications of DSPIC30F3010-20I/SO
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
28-SOIC (7.5mm Width)
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
XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MIL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
DSPIC30F301020ISO
- DSPIC30F3010-30ISO PDF datasheet
- DSPIC30F3010-30ISO PDF datasheet #2
- DSPIC30F3010-30ISO PDF datasheet #3
- DSPIC30F3010-30ISO PDF datasheet #4
- DSPIC30F3010-30ISO PDF datasheet #5
- Current page: 87 of 228
- Download datasheet (4Mb)
13.4.2
The PWM period is specified by writing to the PRx
register. The PWM period can be calculated using
Equation
EQUATION 13-1:
PWM frequency is defined as 1/[PWM period].
FIGURE 13-1:
© 2010 Microchip Technology Inc.
PWM period = [(PRx) + 1] • 4 • Tosc •
13-1.
PWM PERIOD
OCxR = OCxRS
(Interrupt Flag)
TMR3 = PR3
T3IF = 1
PWM PERIOD
(TMRx prescale value)
PWM OUTPUT TIMING
Duty Cycle
TMR3 = Duty Cycle (OCxR)
Period
OCxR = OCxRS
(Interrupt Flag)
TMR3 = PR3
T3IF = 1
When the selected TMRx is equal to its respective
Period register, PRx, the following four events occur on
the next increment cycle:
• TMRx is cleared.
• The OCx pin is set.
• The PWM duty cycle is latched from OCxRS into
• The corresponding timer interrupt flag is set.
See
Timer3 is referred to in the figure for clarity.
TMR3 = Duty Cycle (OCxR)
- Exception 1: If PWM duty cycle is 0x0000,
- Exception 2: If duty cycle is greater than PRx,
OCxR.
dsPIC30F3010/3011
the OCx pin will remain low.
the pin will remain high.
Figure 13-1
for key PWM period comparisons.
DS70141F-page 87
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