PIC24F16KA302-E/SP Microchip Technology, PIC24F16KA302-E/SP Datasheet - Page 189
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PIC24F16KA302-E/SP
Manufacturer Part Number
PIC24F16KA302-E/SP
Description
16KB Flash, 2KB RAM, 512B EEPROM, 16 MIPS, 12-bit ADC, CTMU, XLP 28 SPDIP .300in
Manufacturer
Microchip Technology
Series
PIC® XLP™ 24Fr
Datasheet
1.PIC24F16KA301T-ISO.pdf
(320 pages)
Specifications of PIC24F16KA302-E/SP
Core Processor
PIC
Core Size
16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, 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
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 13x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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19.0
The RTCC provides the user with a Real-Time Clock
and Calendar (RTCC) function that can be calibrated.
Key features of the RTCC module are:
• Operates in Deep Sleep mode
• Selectable clock source
• Provides hours, minutes and seconds using
• Visibility of one half second period
• Provides calendar – weekday, date, month and
• Alarm-configurable for half a second, one second,
• Alarm repeat with decrementing counter
• Alarm with indefinite repeat chime
• Year 2000 to 2099 leap year correction
FIGURE 19-1:
2011 Microchip Technology Inc.
Note:
24-hour format
year
10 seconds, one minute, 10 minutes, one hour,
one day, one week, one month or one year
external source
SOSC/LPRC
Oscillator or
Input from
REAL-TIME CLOCK AND
CALENDAR (RTCC)
Section 29. “Real-Time Clock and
This data sheet summarizes the features of
this group of PIC24F devices. It is not
intended to be a comprehensive reference
source. For more information on the
Real-Time Clock and Calendar, refer to the
“PIC24F
Calendar (RTCC)” (DS39696).
Alarm
Event
Alarm Registers with Masks
RTCC Clock Domain
RTCC Prescalers
Repeat Counter
Family
RTCC BLOCK DIAGRAM
RTCC Timer
Comparator
0.5 Sec
Reference
RTCC Interrupt Logic
Manual”,
PIC24FV32KA304 FAMILY
CPU Clock Domain
ALCFGRPT
RCFGCAL
ALRMVAL
• BCD format for smaller software overhead
• Optimized for long term battery operation
• User calibration of the 32.768 kHz clock
• Optimized for long term battery operation
• Fractional second synchronization
• Calibration to within ±2.64 seconds error per
• Calibrates up to 260 ppm of crystal error
• Ability to periodically wake up external devices
• Power control output for external circuit control
• Calibration takes effect every 15 seconds
• Runs from any one of the following:
19.1
The user can select between the SOSC crystal
oscillator, LPRC internal oscillator or an external
50 Hz/60 Hz power line input as the clock reference for
the RTCC module. This gives the user an option to
trade
consumption, based on the overall system needs.
RTCVAL
crystal/32K INTRC frequency with periodic
auto-adjust
month
without CPU intervention (external power control)
- External real-time clock of 32.768 kHz
- I
- 50 Hz or 60 Hz External input
nternal 31.25 kHz LPRC clock
off
RTCC Source Clock
Alarm Pulse
system
Clock Source
RTCOE
Interrupt
RTCC
cost,
RTSECSEL<1:0>
accuracy
1s
10
01
00
ALMINSEC
ALMTHDY
WKDYHR
ALWDHR
MINSEC
MTHDY
DS39995B-page 189
YEAR
RTCC
Pin
and
power
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