PIC24FJ256GB210-I/PT Microchip Technology Inc., PIC24FJ256GB210-I/PT Datasheet - Page 281

• Manufacturer Part Number: PIC24FJ256GB210-I/PT
• Description: 100 TQFP 12x12x1mm TRAY, 16-bit, 256KB Flash, 96K RAM, USB
• Manufacturer: Microchip Technology Inc.

Specifications of PIC24FJ256GB210-I/PT

• A/d Inputs: 24 Channel, 10-bit
• Comparators: 3
• Cpu Speed: 16 MIPS
• Eeprom Memory: 0 Bytes
• Input Output: 84
• Interface: I2C/SPI/UART/USART/USB
• Memory Type: Flash
• Number Of Bits: 16
• Package Type: 100-pin TQFP
• Programmable Memory: 256K Bytes
• Ram Size: 98K Bytes
• Speed: 32 MHz
• Temperature Range: –40 to 85 °C
• Timers: 5-16-bit
• Voltage, Range: 2.2-3.6 V
• Lead Free Status / Rohs Status: RoHS Compliant part

20.0
The Real-Time Clock and Calendar (RTCC) provides a
function that can be calibrated.
Key features of the RTCC module are:
• Operates in Sleep mode
• Provides hours, minutes and seconds using
FIGURE 20-1:
 2010 Microchip Technology Inc.
Note:
24-hour format
32.768 kHz Input
from SOSC
REAL-TIME CLOCK AND
CALENDAR (RTCC)
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, refer to the
“PIC24F
Section 29. “Real-Time Clock and
Calendar (RTCC)” (DS39696). The
information
supersedes the information in the FRM.
Family
RTCC BLOCK DIAGRAM
Event
Alarm
in
RTCC Clock Domain
Compare Registers
RTCC Prescalers
Repeat Counter
Reference
this
RTCC Timer
Comparator
with Masks
data
0.5s
RTCC Interrupt Logic
Manual”,
PIC24FJ256GB210 FAMILY
sheet
CPU Clock Domain
ALRMVAL
ALCFGRPT
• Visibility of half of one second period
• Provides calendar – weekday, date, month and
• Alarm configurable for half a second, one
• Alarm repeat with decrementing counter
• Alarm with indefinite repeat chime
• Years, 2000 to 2099, leap year correction
• BCD format for smaller software overhead
• Optimized for long-term battery operation
• User calibration of the 32.768 kHz clock
RCFGCAL
RTCVAL
year
second,10 seconds, one minute, 10 minutes, one
hour, one day, one week, one month or one year
crystal/32K INTRC frequency with periodic
auto-adjust
- Calibration to within ±2.64 seconds error per
- Calibrates up to 260 ppm of crystal error
month
RTCOE
Alarm Pulse
RTCC Interrupt
ALMINSEC
ALMTHDY
WKDYHR
ALWDHR
MINSEC
MTHDY
YEAR
DS39975A-page 281
RTCC Pin