PIC24F04KA201T-I/SS Microchip Technology, PIC24F04KA201T-I/SS Datasheet - Page 162
![PIC24F Core, 4KB Flash, 512B RAM, 3V, Deep Sleep, 10-bit 500ksps ADC, CTMU, UART](/photos/6/81/68119/150-28-ssop_sml.jpg)
PIC24F04KA201T-I/SS
Manufacturer Part Number
PIC24F04KA201T-I/SS
Description
PIC24F Core, 4KB Flash, 512B RAM, 3V, Deep Sleep, 10-bit 500ksps ADC, CTMU, UART
Manufacturer
Microchip Technology
Series
PIC® XLP™ 24Fr
Datasheets
1.PIC24F04KA201-ISS.pdf
(8 pages)
2.PIC24F04KA201-ISS.pdf
(48 pages)
3.PIC24F04KA201-ISS.pdf
(224 pages)
4.PIC24F04KA201-ISS.pdf
(26 pages)
Specifications of PIC24F04KA201T-I/SS
Core Processor
PIC
Core Size
16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
4KB (1.375K x 24)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC24F04KA201 FAMILY
22.2
Time measurements on the pulse width can be similarly
performed using the A/D module’s internal capacitor
(C
Figure 22-2 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.
22.3
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 22-2:
FIGURE 22-3:
DS39937B-page 160
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 22-3 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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