Datasheet

© 2011 Microchip Technology Inc. DS61143H-page 21
PIC32MX3XX/4XX
1.0 DEVICE OVERVIEW
This document contains device-specific information for
the PIC32MX3XX/4XX devices.
Figure 1-1 illustrates a general block diagram of the core
and peripheral modules in the PIC32MX3XX/4XX family
of devices.
Table 1-1 lists the functions of the various pins shown
in the pinout diagrams.
FIGURE 1-1: BLOCK DIAGRAM
(1,2)
Note 1: This data sheet summarizes the features
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 “PIC32 Family
Reference Manual”, which is available
from the Microchip web site
(www.microchip.com/PIC32).
2: Some registers and associated bits
described in this section may not be
available on all devices. Refer to
Section 4.0 “Memory Organization” in
this data sheet for device-specific register
and bit information.
Note 1: Some features are not available on all device variants.
2: BOR functionality is provided when the on-board voltage regulator is enabled.
UART1,2
Comparators
PORTA
PORTD
PORTE
PORTF
PORTG
PORTB
CN1-22
JTAG
Priority
DMAC
ICD
MIPS32
®
M4K
®
CPU Core
IS DS
EJTAG INT
Bus Matrix
Prefetch
Data RAM
Peripheral Bridge
128
128-bit wide
Flash
32
32
32
32
32
Peripheral Bus Clocked by PBCLK
Program Flash Memory
Controller
32
Module
32
32
Interrupt
Controller
BSCAN
PORTC
PMP
I2C1,2
SPI1,2
IC1-5
PWM
OC1-5
OSC1/CLKI
OSC2/CLKO
V
DD,
Timing
Generation
V
SS
MCLR
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
Precision
Reference
Band Gap
FRC/LPRC
Oscillators
Regulator
Voltage
VCORE/VCAP
ENVREG
OSC/SOSC
Oscillators
PLL
DIVIDERS
SYSCLK
PBCLK
Peripheral Bus Clocked by SYSCLK
USB
PLL-USB
USBCLK
32
RTCC
10-bit ADC
Timer1-5
32
32