DSPIC30F3011-20E/PT Microchip Technology, DSPIC30F3011-20E/PT Datasheet - Page 130
DSPIC30F3011-20E/PT
Manufacturer Part Number
DSPIC30F3011-20E/PT
Description
IC,DSP,16-BIT,CMOS,TQFP,44PIN,PLASTIC
Manufacturer
Microchip Technology
Series
dsPIC™ 30Fr
Datasheets
1.DSPIC30F2011-20ISO.pdf
(66 pages)
2.DSPIC30F2011-20IP.pdf
(26 pages)
3.DSPIC30F3010-30ISO.pdf
(228 pages)
4.DSPIC30F3010-30ISO.pdf
(18 pages)
5.DSPIC30F3010-30ISO.pdf
(6 pages)
6.DSPIC30F3010-30ISO.pdf
(16 pages)
7.DSPIC30F3010-30ISO.pdf
(22 pages)
Specifications of DSPIC30F3011-20E/PT
Rohs Compliant
YES
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
30
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 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT80PT3 - SOCKET TRAN ICE 80MQFP/TQFPAC30F006 - MODULE SKT FOR DSPIC30F 44TQFPAC164305 - MODULE SKT FOR PM3 44TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPIC30F3011-20E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- DSPIC30F2011-20ISO PDF datasheet
- DSPIC30F2011-20IP PDF datasheet #2
- DSPIC30F3010-30ISO PDF datasheet #3
- DSPIC30F3010-30ISO PDF datasheet #4
- DSPIC30F3010-30ISO PDF datasheet #5
- DSPIC30F3010-30ISO PDF datasheet #6
- DSPIC30F3010-30ISO PDF datasheet #7
- Current page: 130 of 228
- Download datasheet (4Mb)
dsPIC30F3010/3011
19.4
The conversion trigger will terminate acquisition and
start the requested conversions.
The SSRC<2:0> bits select the source of the
conversion trigger.
The SSRC bits provide for up to five alternate sources
of conversion trigger.
When SSRC<2:0> = 000, the conversion trigger is
under software control. Clearing the SAMP bit will
cause the conversion trigger.
When SSRC<2:0> = 111
conversion trigger is under A/D clock control. The
SAMC bits select the number of A/D clocks between
the start of acquisition and the start of conversion. This
provides the fastest conversion rates on multiple
channels. The SAMC bits must always be at least one
clock cycle.
Other trigger sources can come from timer modules,
motor control PWM module or external interrupts.
19.5
Clearing the ADON bit during a conversion will abort
the current conversion and stop the sampling sequenc-
ing. The ADCBUF will not be updated with the partially
completed A/D conversion sample. That is, the
ADCBUF will continue to contain the value of the last
completed conversion (or the last value written to the
ADCBUF register).
If the clearing of the ADON bit coincides with an
auto-start, the clearing has a higher priority.
After the A/D conversion is aborted, a 2 T
required before the next sampling may be started by
setting the SAMP bit.
If sequential sampling is specified, the A/D will continue
at the next sample pulse which corresponds with the
next channel converted. If simultaneous sampling is
specified, the A/D will continue with the next
multi-channel group conversion sequence.
DS70141F-page 130
Note:
Programming the Start of
Conversion Trigger
Aborting a Conversion
To operate the A/D at the maximum
specified conversion speed, the auto-
convert trigger option should be selected
(SSRC = 111) and the auto-sample time
bits
(SAMC = 00001). This configuration will
give
(sample + convert) of 13 T
The use of any other conversion trigger
will result in additional T
synchronize the external event to the A/D.
should
a
total
be
(Auto-Start mode), the
conversion
set
AD
AD
to
.
cycles to
AD
1
period
wait is
T
AD
19.6
The A/D conversion requires 12 T
A/D conversion clock is software selected using a 6-bit
counter. There are 64 possible options for T
EQUATION 19-1:
The internal RC oscillator is selected by setting the
ADRC bit.
For correct A/D conversions, the A/D conversion clock
(T
of 83.33 nsec (for V
“Electrical Characteristics”
other operating conditions.
Example 19-1
ADCS<5:0> bits, assuming a device operating speed
of 30 MIPS.
EXAMPLE 19-1:
AD
) must be selected to ensure a minimum T
Therefore,
Set ADCS<5:0> = 9
Selecting the A/D Conversion
Clock
ADCS<5:0> = 2
T
Actual T
AD
= T
ADCS<5:0> = 2
shows a sample calculation for the
CY
AD
T
T
• (0.5 • (ADCS<5:0> + 1))
AD
CY
DD
= 2 •
= 8.33
=
=
= 165 nsec
A/D CONVERSION CLOCK
A/D CONVERSION CLOCK
CALCULATION
= 154 nsec
= 33 nsec (30 MIPS)
© 2010 Microchip Technology Inc.
= 5V). Refer to
T
33 nsec
T
T
CY
2
AD
CY
154 nsec
2
33 nsec
for minimum T
(ADCS<5:0> + 1)
T
T
– 1
AD
CY
AD
(9 + 1)
. The source of the
– 1
– 1
Section 23.0
AD
AD
.
AD
under
time
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