PIC32MX440F512H-80I/MR Microchip Technology, PIC32MX440F512H-80I/MR Datasheet - Page 93

• Manufacturer Part Number: PIC32MX440F512H-80I/MR
• Description: IC PIC MCU FLASH 512KX32 64-QFN
• Manufacturer: Microchip Technology
• Series: PIC® 32MXr

Specifications of PIC32MX440F512H-80I/MR

• Core Size: 32-Bit
• Program Memory Size: 512KB (512K x 8)
• Core Processor: MIPS32® M4K™
• Speed: 80MHz
• Connectivity: I²C, IrDA, LIN, PMP, SPI, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 2.3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-VFQFN, Exposed Pad
• Controller Family/series: PIC32
• Ram Memory Size: 32KB
• Cpu Speed: 80MHz
• No. Of Timers: 5
• Interface: EUSART, I2C, SPI, USB
• No. Of Pwm Channels: 5
• Embedded Interface Type: EUSART, I2C, SPI, USB
• Rohs Compliant: Yes
• Processor Series: PIC32MX4xx
• Core: MIPS
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: I2C, JTAG, SPI, TWI, UART, USB
• Maximum Clock Frequency: 80 MHz
• Number Of Programmable I/os: 51
• Number Of Timers: 5
• Operating Supply Voltage: 2.3 V to 3.6 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52713-733, 52714-737
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, DM320003, DM320002, MA320002
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 876-1000 - PIC32 BREAKOUT BOARD
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

21.0
The PIC32MX RTCC module is intended for applica-
tions in which accurate time must be maintained for
extended periods of time with minimal or no CPU inter-
vention. Low-power optimization provides extended
battery lifetime while keeping track of time.
FIGURE 21-1:
© 2009 Microchip Technology Inc.
32.768 kHz Input
from Secondary
Oscillator (SOSC)
Note:
REAL-TIME CLOCK AND
CALENDAR (RTCC)
reference source. Refer to the “PIC32MX
This data sheet summarizes the features of
the PIC32MX3XX/4XX family of devices. It
is not intended to be a comprehensive
Family Reference Manual” Section 29.
“Real-Time Clock and Calendar (RTCC)”
(DS61125) for a detailed description of this
peripheral.
The manual is available from the Microchip
web site (www.Microchip.com/PIC32).
Alarm
Event
RTCC BLOCK DIAGRAM
Compare Registers
RTCC Prescalers
Repeat Counter
RTCC Timer
Comparator
with Masks
0.5s
RTCC Interrupt Logic
Preliminary
ALRMVAL
RTCVAL
Following are some of the key features of this module:
• Time: Hours, Minutes and Seconds
• 24-Hour Format (Military Time)
• Visibility of One-Half-Second Period
• Provides Calendar: Weekday, Date, Month and
• Alarm Intervals are configurable for Half of a
• Alarm Repeat with Decrementing Counter
• Alarm with Indefinite Repeat: Chime
• Year Range: 2000 to 2099
• Leap Year Correction
• BCD Format for Smaller Firmware Overhead
• Optimized for Long-Term Battery Operation
• Fractional Second Synchronization
• User Calibration of the Clock Crystal Frequency
• Calibration Range: ± 0.66 Seconds Error per
• Calibrates up to 260 ppm of Crystal Error
• Requirements: External 32.768 kHz Clock Crystal
• Alarm Pulse or Seconds Clock Output on RTCC
Year
Second, One Second, 10 Seconds, One Minute,
10 Minutes, One Hour, One Day, One Week, One
Month and One Year
with Auto-Adjust
Month
pin
PIC32MX3XX/4XX
RTCOE
Seconds Pulse
Alarm Pulse
RTCC Interrupt
YEAR, MTH, DAY
HR, MIN, SEC
HR, MIN, SEC
MTH, DAY
WKDAY
WKDAY
DS61143F-page 91
RTCC Pin