DSPIC30F2020-30I/SP Microchip Technology Inc., DSPIC30F2020-30I/SP Datasheet - Page 188
DSPIC30F2020-30I/SP
Manufacturer Part Number
DSPIC30F2020-30I/SP
Description
DSP, 16-Bit, 12KB Flash, 512 RAM, 21 I/O, SDIP-28
Manufacturer
Microchip Technology Inc.
Type
DSPr
Datasheet
1.DSPIC30F2023-30IPT.pdf
(286 pages)
Specifications of DSPIC30F2020-30I/SP
A/d Inputs
8-Channels, 10-Bit
Comparators
4
Cpu Speed
30 MIPS
Eeprom Memory
0 Bytes
Input Output
21
Interface
I2C/SPI/UART
Ios
21
Memory Type
Flash
Number Of Bits
16
Package Type
28-pin SPDIP
Programmable Memory
12K Bytes
Ram Size
512 Bytes
Timers
3-16-bit, 1-32-bit
Voltage, Range
3-5.5
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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dsPIC30F1010/202X
16.17 A/D Sample and Convert Timing
The sample and hold circuits assigned to the input pins
have their own timing logic that is triggered when an
external sample and convert request (from PWM or
TMR) is made. The sample and hold circuits have a
fixed two clock data sample period. When the sample
has been acquired, then the ADC control logic is noti-
FIGURE 16-3:
DS70178C-page 186
adc_clk
sample_even
sample_odd
connect_first
connect_second
convert_en
capture_first_data
capture_second_data
state counter
0
1
10th 9th 8th
2
DETAILED CONVERSION SEQUENCE TIMINGS, SEQSAMP = 0, NOT BUSY
3
4
T
7th
AD
5
6th
6
5th
7
4th
8
3rd 2nd 1st
9
Preliminary
10
11
10th 9th 8th
fied of a pending request, then the conversion is
performed as the conversion resources become
available.
The ADC module always converts pairs of analog input
channels, so a typical conversion process requires 24
clock cycles.
12
13
14
15
7th
16
6th
17
5th
© 2006 Microchip Technology Inc.
18
4th
19
3rd
20
2nd 1st
21
0
1
2
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