PIC32MX775F256H-80V/PT Microchip Technology, PIC32MX775F256H-80V/PT Datasheet - Page 125

• Manufacturer Part Number: PIC32MX775F256H-80V/PT
• Description: 256 KB Flash, 64 KB RAM, USB-OTG, Dual CAN, Ethernet, 80 MHz, 10-Bit ADC, DMA 64
• Manufacturer: Microchip Technology
• Series: PIC® 32MXr

Specifications of PIC32MX775F256H-80V/PT

• Processor Series: PIC32MX7xx
• Core: MIPS
• Data Bus Width: 32 bit
• Program Memory Type: Flash
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• Interface Type: USB, I2C, UART, RS-232, RS-485, SPI
• Maximum Clock Frequency: 80 MHz
• Number Of Programmable I/os: 5
• Number Of Timers: 5
• Operating Supply Voltage: 2.3 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-100
• Operating Temperature Range: - 40 C to + 85 C
• Supply Current (max): 10 mA
• Core Processor: MIPS32® M4K™
• Core Size: 32-Bit
• Speed: 80MHz
• Connectivity: CAN, Ethernet, I²C, SPI, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 53
• Eeprom Size: -
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 2.3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Lead Free Status / Rohs Status: Details

8.0
FIGURE 8-1:
© 2009-2011 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”
(DS61112)
Reference Manual”, which is available
from
(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 ” (DS61112) in the “PIC32 Family
Reference Manual” for help in determining the best oscillator components.
The PBCLK out is available on the OSC2 pin in certain clock modes.
(4)
Primary Oscillator
(P
R
OSC
8 MHz typical
F (2)
TUN<5:0>
Oscillator
the
)
Oscillator
FRC
PIC32MX5XX/6XX/7XX FAMILY OSCILLATOR BLOCK DIAGRAM
SOSCEN and FSOSCEN
LPRC
in
Enable
div 2
S
To Internal
Logic
Microchip
, may be required for AT strip cut crystals.
the
32.768 kHz
ADC
OSC
)
USB PLL
31.25 kHz typical
“PIC32
COSC<2:0>
F
, is typically in the range of 2 to 10 MΩ.
UPLLIDIV<2:0>
web
FRCDIV<2:0>
div x
PLL Input Divider
FPLLIDIV<2:0>
Postscaler
Family
4 MHz ≤ F
div x
UF
UF
site
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
Figure
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
8-1shows the Oscillator module block diagram.
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
DS61156G-page 125
div x
SYSCLK
FSCM Event
Timer1, RTCC
WDT, PWRT
FSCM INT
Peripherals
PBCLK