PIC32MX440F256H-80I/PT Microchip Technology, PIC32MX440F256H-80I/PT Datasheet - Page 119
![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: 119 of 632
- Download datasheet (10Mb)
7.2
RTSP allows the user code to modify Flash program
memory contents. The device Flash memory is divided
into two logical Flash partitions: the Program Flash
Memory (PFM), and the Boot Flash Memory (BFM).
The last page in Boot Flash Memory contains the
DEBUG Page, which is reserved for use by the
debugger tool while debugging.
The program Flash array for the PIC32MX3XX/4XX
device is built up of a series of rows. A row contains 128
32-bit instruction words or 512 bytes. A group of 8 rows
compose a page; which, therefore, contains 8 × 512 =
4096 bytes or 1024 instruction words. A page of Flash
is the smallest unit of memory that can be erased at a
single time. The program Flash array can be pro-
grammed in one of two ways:
• Row programming, with 128 instruction words at a
• Word programming, with 1 instruction word at a
The CPU stalls (waits) until the programming opera-
tion is finished. The CPU will not execute any instruc-
tion, or respond to interrupts, during this time. If any
interrupts occur during the programming cycle, they
remain pending until the cycle completes.
© 2008 Microchip Technology Inc.
time.
time.
RTSP Operation
Preliminary
7.3
There are two SFRs used to erase and write the PFM:
NVMCON and NVMKEY.
The NVMCON register (Register 7-1) controls which
blocks are to be erased, which memory block is to be
programmed and the start of the programming cycle.
NVMKEY is a write-only register that is used for write-
protection. To start a programming or erase sequence,
the user must consecutively write 0xAA996655 and
0x556699AA to the NVMKEY register. Interrupts should
be disabled. Refer to Section 7.4 “Programming
Operations” for further details.
7.4
A complete programming sequence is necessary for
programming or erasing the internal Flash in RTSP
mode. A programming operation is nominally 5 ms in
duration and the processor stalls (WAITS) until the
operation is finished. Setting the NVMWR bit (NVM-
CON<15>) starts the operation, and the NVMWR bit is
automatically cleared when the operation is finished.
PIC32MX3XX/4XX
Control Registers
Programming Operations
DS61143C-page 117
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