PIC32MX440F512H-80I/MR Microchip Technology, PIC32MX440F512H-80I/MR Datasheet - Page 139

• 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

26.3
All PIC32MX3XX/4XX device’s core and digital logic
are designed to operate at a nominal 1.8V. To simplify
system
PIC32MX3XX/4XX incorporate an on-chip regulator
providing the required core logic voltage from V
The internal 1.8V regulator is controlled by the
ENVREG pin. Tying this pin to V
lator, which in turn provides power to the core. A low
ESR capacitor (such as tantalum) must be connected
to the V
maintain the stability of the regulator. The recom-
mended value for the filer capacitor is provided in
Section 29.1 “DC Characteristics”.
Tying the ENVREG pin to V
this case, separate power for the core logic at a nomi-
nal 1.8V must be supplied to the device on the
V
Alternatively, the V
tied together to operate at a lower nominal voltage.
Refer to Figure 26-2 for possible configurations.
FIGURE 26-2:
© 2010 Microchip Technology Inc.
DDCORE
Note:
Note 1:
Regulator Enabled (ENVREG tied to V
DDCORE
(10 μF typ)
On-Chip Voltage Regulator
/V
designs,
C
CAP
It is important that the low ESR capacitor
is placed as close as possible to the
V
EFC
These are typical operating voltages. Refer to Section 31.1 “DC Characteristics” for the full operating ranges of V
and V
DDCORE
pin.
/V
3.3V
CAP
DDCORE
DDCORE
/V
pin (Figure 26-2). This helps to
CONNECTIONS FOR THE ON-CHIP REGULATOR
CAP
most
.
V
ENVREG
V
V
/V
SS
DD
DDCORE
SS
pin.
CAP
PIC32MX
disables the regulator. In
DD
devices
and V
/V
CAP
enables the regu-
DD
pins can be
DD
in
):
DD
.
the
26.3.1
When the voltage regulator is enabled, it takes fixed
delay for it to generate output. During this time, desig-
nated as T
every time the device resumes operation after any
power-down, including Sleep mode.
If the regulator is disabled, a separate Power-up Timer
(PWRT) is automatically enabled. The PWRT adds a
fixed delay of T
Section 29.0 “Electrical Characteristics” for more
information on T
26.3.2
When
PIC32MX3XX/4XX devices also have a simple brown-
out capability. If the voltage supplied to the regulator is
inadequate to maintain a regulated level, the regulator
Reset circuitry will generate a Brown-out Reset. This
event is captured by the BOR flag bit (RCON<1>). The
brown-out voltage levels are specific in Section 29.1
“DC Characteristics”.
26.3.3
The on-chip regulator is designed to meet the power-up
requirements for the device. If the application does not
use the regulator, then strict power-up conditions must
be adhered to. While powering up, V
never exceed V
Regulator Disabled (ENVREG tied to ground):
1.8V
PIC32MX3XX/4XX
the
PU
(1)
ON-CHIP REGULATOR AND POR
ON-CHIP REGULATOR AND BOR
POWER-UP REQUIREMENTS
, code execution is disabled. T
DD
PU AND
3.3V
on-chip
by 0.3 volts.
PWRT
(1)
T
PWRT
V
ENVREG
V
V
DD
DDCORE
SS
at device start-up. See
regulator
PIC32MX
.
/V
DS61143G-page 139
CAP
is
DDCORE
PU
is applied
enabled,
DD
must