PIC24F16KA102-E/SS Microchip Technology, PIC24F16KA102-E/SS Datasheet - Page 188
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PIC24F16KA102-E/SS
Manufacturer Part Number
PIC24F16KA102-E/SS
Description
16KB Flash, 1.5KB RAM, 512B EEPROM, 16 MIPS, 24 I/O,16-bit PIC24F Family, NanoWa
Manufacturer
Microchip Technology
Series
PIC® XLP™ 24Fr
Datasheet
1.MA240017.pdf
(254 pages)
Specifications of PIC24F16KA102-E/SS
Core Processor
PIC
Core Size
16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
16KB (5.5K x 24)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SSOP
Processor Series
PIC24F
Core
PIC
3rd Party Development Tools
52713-733, 52714-737, 53276-922, EWDSPIC
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, DM240001
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC24F16KA102 FAMILY
25.2
Time measurements on the pulse width can be similarly
performed using the A/D module’s internal capacitor
(C
Figure 25-2 displays the external connections used for
time measurements, and how the CTMU and A/D
modules are related in this application. This example
also shows both edge events coming from the external
CTEDG pins, but other configurations using internal
edge sources are possible.
25.3
The CTMU module can also generate an output pulse
with edges that are not synchronous with the device’s
system clock. More specifically, it can generate a pulse
with a programmable delay from an edge event input to
the module.
FIGURE 25-2:
FIGURE 25-3:
DS39927B-page 186
AD
) and a precision resistor for current calibration.
Measuring Time
Pulse Generation and Delay
TYPICAL CONNECTIONS AND INTERNAL CONFIGURATION FOR TIME
MEASUREMENT
TYPICAL CONNECTIONS AND INTERNAL CONFIGURATION FOR PULSE
DELAY GENERATION
CTEDG1
C
C2INB
DELAY
CTEDG1
CTEDG2
ANx
R
PR
EDG1
Preliminary
CV
Current Source
PIC24F Device
REF
Comparator
-
CTMU
C2
EDG2
EDG1
When the module is configured for pulse generation
delay by setting the TGEN bit (CTMUCON<12>), the
internal current source is connected to the B input of
Comparator 2. A capacitor (C
the Comparator 2 pin, C2INB, and the comparator
voltage reference, CV
CV
module begins to charge C
is detected. When C
trip point, a pulse is output on CTPLS. The length of the
pulse delay is determined by the value of C
the CV
Figure 25-3 shows the external connections for pulse
generation, as well as the relationship of the different
analog modules required. While CTEDG1 is shown as
the input pulse source, other options are available. A
detailed discussion on pulse generation with the CTMU
module is provided in the “PIC24F Family Reference
Manual”.
C
PIC24F Device
A/D Converter
AD
REF
Current Source
CTMU
REF
is then configured for a specific trip point. The
Output Pulse
trip point.
DELAY
CTPLS
REF
© 2009 Microchip Technology Inc.
, is connected to C2INA.
DELAY
charges above the CV
DELAY
when an edge event
) is connected to
DELAY
and
REF
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