PIC32MX420F032H-40I/MR Microchip Technology, PIC32MX420F032H-40I/MR Datasheet - Page 93

• Manufacturer Part Number: PIC32MX420F032H-40I/MR
• Description: IC PIC MCU FLASH 32KX32 64-QFN
• Manufacturer: Microchip Technology
• Series: PIC® 32MXr

Specifications of PIC32MX420F032H-40I/MR

• Core Size: 32-Bit
• Program Memory Size: 32KB (32K x 8)
• Core Processor: MIPS32® M4K™
• Speed: 40MHz
• 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: 8K 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: 8KB
• Cpu Speed: 40MHz
• 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: 8 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

8.0
FIGURE 8-1:
© 2010 Microchip Technology Inc.
C1
C2
Note 1: This data sheet summarizes the features
Notes: 1.
SOSCO
Primary Oscillator (P
(3)
(3)
SOSCI
R
XTAL
2: Some registers and associated bits
S
OSCILLATOR
CONFIGURATION
OSC2
(1)
2.
3.
4.
OSC1
Secondary Oscillator (S
of the PIC32MX3XX/4XX family of
devices. It is not intended to be a
comprehensive reference source. To
complement the information in this data
sheet, refer to the “PIC32MX Family
Reference
“Oscillator Configuration” (DS61112),
which is available from the Microchip web
site (www.microchip.com/PIC32).
described in this section may not be avail-
able on all devices. Refer to Section 4.0
“Memory Organization” in this data
sheet for device-specific register and bit
information.
(4)
A series resistor, R
The internal feedback resistor, R
10 MΩ.
Refer to the “PIC32MX Family Reference Manual” Section 6.
“Oscillator Configuration” (DS61112) for help determining the best
oscillator components.
PBCLK out is available on the OSC2 pin in certain clock modes.
R
F
(2)
OSC
8 MHz typical
Oscillator
PIC32MX3XX/4XX FAMILY CLOCK DIAGRAM
SOSCEN and FSOSCEN
LPRC
TUN<5:0>
Oscillator
)
FRC
Enable
Manual”
To Internal
Logic
S
, may be required for AT strip-cut crystals.
32.768 kHz
OSC
)
31.25 kHz typical
USB PLL
COSC<2:0>
Section
F
FUPLLDIV<2:0>
, is typically in the range of 2 to
FRCDIV<2:0>
div x
PLL Input Divider
FPLLIDIV<2:0>
Postscaler
4 MHz ≤ F
div x
UF
UF
IN
6.
IN
PLL Multiplier
PLLMULT<2:0>
F
= 4 MHz
IN
PLL x24
IN
div 16
PLL
≤ 5 MHz
PLLODIV<2:0>
PLL Output Divider
The PIC32MX oscillator system has the following
modules and features:
• A total of four external and internal oscillator
• On-chip PLL (phase-locked loop) with user-
• On-chip user-selectable divisor postscaler on
• Software-controllable switching between various
• A Fail-Safe Clock Monitor (FSCM) that detects
• Dedicated on-chip PLL for USB peripheral
div y
options as clock sources
selectable input divider, multiplier and output
divider to boost operating frequency on select
internal and external oscillator sources
select oscillator sources
clock sources
clock failure and permits safe application recovery
or shut down
div 2
XT, HS, EC
ECPLL, FRCPLL
FUPLLEN
XTPLL, HSPLL,
PIC32MX3XX/4XX
UFRCEN
FRC
FRC/16
FRCDIV
LPRC
S
OSC
FSCMEN<1:0>
USB Clock (48 MHz)
Clock Control Logic
NOSC<2:0>
COSC<2:0>
Fail-Safe
Monitor
Clock
CPU and Select Peripherals
PBDIV<2:0>
Postscaler
OSWEN
div x
DS61143G-page 93
FSCM Event
Timer1, RTCC
WDT, PWRT
FSCM INT
Peripherals
PBCLK