PIC32MX440F256H-80I/PT Microchip Technology, PIC32MX440F256H-80I/PT Datasheet - Page 478
![IC PIC MCU FLASH 256K 64-TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC32MX440F256H-80I/PT
Manufacturer Part Number
PIC32MX440F256H-80I/PT
Description
IC PIC MCU FLASH 256K 64-TQFP
Manufacturer
Microchip Technology
Series
PIC® 32MXr
Datasheets
1.MA320002.pdf
(208 pages)
2.DM320001.pdf
(44 pages)
3.PIC32MX320F032H-40IPT.pdf
(48 pages)
4.PIC32MX320F032H-40IPT.pdf
(66 pages)
5.PIC32MX320F032H-40IPT.pdf
(22 pages)
6.PIC32MX460F256L-80IPT.pdf
(632 pages)
7.PIC32MX320F064H-40IMR.pdf
(172 pages)
Specifications of PIC32MX440F256H-80I/PT
Program Memory Type
FLASH
Program Memory Size
256KB (256K x 8)
Package / Case
64-TFQFP
Core Processor
MIPS32® M4K™
Core Size
32-Bit
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
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
Processor Series
PIC32MX4xx
Core
MIPS
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
I2C , SPI , UART
Maximum Clock Frequency
80 MHz
Number Of Programmable I/os
51
Number Of Timers
5 x 16 bit, 1 x 32 bit
Operating Supply Voltage
2.3 V to 3.6 V
Maximum Operating Temperature
+ 85 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
Controller Family/series
PIC32
Ram Memory Size
32KB
Cpu Speed
80MHz
No. Of Timers
5
Embedded Interface Type
EUSART, I2C, SPI, USB
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
876-1000 - PIC32 BREAKOUT BOARDAC244003 - TEST BD MPLAB REAL ICE LOOPBACKDM320003 - BOARD DEMO USB PIC32 OTGAC244006 - KIT MPLAB REAL ICE TRACEAC164327 - MODULE SKT FOR 64TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC32MX440F256H-80I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC32MX440F256H-80I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- MA320002 PDF datasheet
- DM320001 PDF datasheet #2
- PIC32MX320F032H-40IPT PDF datasheet #3
- PIC32MX320F032H-40IPT PDF datasheet #4
- PIC32MX320F032H-40IPT PDF datasheet #5
- PIC32MX460F256L-80IPT PDF datasheet #6
- PIC32MX320F064H-40IMR PDF datasheet #7
- Current page: 478 of 632
- Download datasheet (10Mb)
PIC32MX3XX/4XX
EQUATION 21-1:
3.
EXAMPLE 21-7:
DS61143C-page 476
/*
*/
a) If the oscillator is faster than ideal (negative
result from step 2), the CAL bits register value
needs to be negative. This causes the specified
number of clock pulses to be subtracted from
the timer counter, once every minute.
b) If the oscillator is slower than ideal (positive
result from step 2), the CAL bits register value
needs to be positive. This causes the specified
number of clock pulses to be added to the timer
counter, once every minute.
The following code example will update the RTCC calibration.
int cal=0x3FD;
if(RTCCON&0x8000)
{
}
RTCCONCLR=0x03FF0000;
RTCCONSET=cal;
(Ideal Frequency (32,758) – Measured Frequency)
unsigned intt0, t1;
do
{
}while(t0!=t1);
if((t0&0xFF)==00)
{
}
t0=RTCTIME;
t1=RTCTIME;
while(!(RTCCON&0x2)); // wait until second half...
* 60 = Error Clocks per Minute
ERROR CLOCKS PER
MINUTE
UPDATING THE RTCC CALIBRATION VALUE
// 10 bits adjustment, -3 in value
// RTCC is ON
// read valid time value
// we're at second 00, wait auto-adjust to be performed
// clear the calibration
Preliminary
4.
Writes to the CAL bits should only occur when the timer
is turned off, or immediately after the rising edge of the
seconds
(RTCTIME<15:8>) field is ‘00’ due to the possibility of
the auto-adjust event).
Note:
Load the CAL bits (RTCCON<9:0>) with the cor-
rect value.
pulse
A write to the seconds bits resets the state
It is up to the user, to include in the error
value, the initial error of the crystal drift,
due to temperature and drift due to crystal
aging.
of calibration (not its value). If an adjust-
ment just occurred, it will occur again
because of the minute roll over.
(except
© 2008 Microchip Technology Inc.
when
the
seconds
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