PIC32MX795F512L-80I/PT Microchip Technology Inc., PIC32MX795F512L-80I/PT Datasheet - Page 121

• Manufacturer Part Number: PIC32MX795F512L-80I/PT
• Description: 512KB Flash, 128KB RAM, 80 MHz, USB, ENET, 2xCAN, 8 DMA
• Manufacturer: Microchip Technology Inc.

Specifications of PIC32MX795F512L-80I/PT

• A/d Inputs: 16-Channel, 10-Bit
• Comparators: 2
• Eeprom Memory: 0 Bytes
• Input Output: 85
• Interface: CAN/I2C/SPI/UART/USB
• Memory Type: Flash
• Number Of Bits: 32
• Package Type: 100-pin TQFP
• Programmable Memory: 512K Bytes
• Ram Size: 128K Bytes
• Speed: 80 MHz
• Temperature Range: –40 to +85 °C
• Timers: 5-16-bit
• Voltage, Range: 2.3-3.6 V

8.0
FIGURE 8-1:
© 2010 Microchip Technology Inc.
Notes: 1.
C1
C2
Note 1: This data sheet summarizes the features
SOSCO
(3)
(3)
SOSCI
R
XTAL
S
2: Some registers and associated bits
OSCILLATOR
CONFIGURATION
2.
3.
4.
(1)
OSC2
OSC1
Secondary Oscillator (S
of the PIC32MX5XX/6XX/7XX family of
devices. It is not intended to be a
comprehensive reference source. To
complement the information in this data
sheet, refer to Section 6. “Oscillator
Configuration”
“PIC32 Family Reference Manual”, which
is available from the Microchip web site
(www.microchip.com/PIC32).
described in this section may not be
available on all devices. Refer to
Section 4.0 “Memory Organization”
this data sheet for device-specific register
and bit information.
A series resistor, R
The internal feedback resistor, R
Refer to Section 6. “Oscillator Configuration” (DS61112) in the “PIC32
Family Reference Manual” for help in determining the best oscillator
components.
PBCLK out is available on the OSC2 pin in certain clock modes.
(4)
Primary Oscillator
(P
R
OSC
8 MHz typical
F
TUN<5:0>
(2)
Oscillator
)
Oscillator
FRC
PIC32MX5XX/6XX/7XX FAMILY CLOCK DIAGRAM
SOSCEN and FSOSCEN
LPRC
Enable
div 2
S
To Internal
Logic
, may be required for AT strip cut crystals.
32.768 kHz
ADC
(DS61112)
OSC
)
USB PLL
31.25 kHz typical
COSC<2:0>
F
, is typically in the range of 2 to 10 MΩ.
UPLLIDIV<2:0>
FRCDIV<2:0>
div x
PLL Input Divider
FPLLIDIV<2:0>
Postscaler
in
4 MHz ≤ F
div x
UF
UF
the
IN
in
IN
PLLMULT<2:0>
F
= 4 MHz
PLL Multiplier
IN
IN
PLL x24
PLL
≤ 5 MHz
PLL Output Divider
div 16
PLLODIV<2:0>
The PIC32MX5XX/6XX/7XX oscillator system has the
following modules and features:
• A Total of four external and internal oscillator
• On-Chip PLL with user-selectable input divider,
• On-Chip user-selectable divisor postscaler on
• Software-controllable switching between
• A Fail-Safe Clock Monitor (FSCM) that detects
• Dedicated On-Chip PLL for USB peripheral
PIC32MX5XX/6XX/7XX
div y
options as clock sources
multiplier and output divider to boost operating
frequency on select internal and external
oscillator sources
select oscillator sources
various clock sources
clock failure and permits safe application recovery
or shutdown
div 2
XT, HS, EC
ECPLL, FRCPLL
XTPLL, HSPLL,
UPLLEN
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<1:0>
Postscaler
OSWEN
DS61156F-page 121
div x
SYSCLK
FSCM Event
Timer1, RTCC
WDT, PWRT
FSCM INT
Peripherals
PBCLK