PIC32MX210F016B-I/SO Microchip Technology, PIC32MX210F016B-I/SO Datasheet - Page 96

• Manufacturer Part Number: PIC32MX210F016B-I/SO
• Description: PIC32, 16KB Flash, 4KB RAM, 40 MHz, USB, CTMU, 4 DMA 28 SOIC .300in TUBE
• Manufacturer: Microchip Technology

PIC32MX1XX/2XX
FIGURE 8-1:
DS61168D-page 96
Notes: 1.
C1
C2
SOSCO
(3)
(3)
SOSCI
R
XTAL
S
Primary Oscillator
(P
2.
3.
4.
5.
OSC2
(1)
OSC
OSC1
Secondary Oscillator (S
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.
USB PLL is available on PIC32MX2XX devices only.
)
(4)
R
8 MHz typical
F
TUN<5:0>
(2)
Oscillator
Oscillator
PIC32MX1XX/2XX FAMILY CLOCK DIAGRAM
FRC
SOSCEN and FSOSCEN
LPRC
Enable
div 2
To Internal
Logic
S
, may be required for AT strip cut crystals.
USB PLL
To ADC
32.768 kHz
OSC
COSC<2:0>
)
31.25 kHz typical
UPLLIDIV<2:0>
(5)
F
div x
, is typically in the range of 2 to 10 MΩ.
FPLLIDIV<2:0>
FRCDIV<2:0>
Postscaler
UF
UF
4 MHz ≤ F
div x
IN
IN
= 4 MHz
PLLMULT<2:0>
F
Preliminary
IN
PLL x24
IN
System USB PLL
PLL
≤ 5 MHz
PLLODIV<2:0>
div 16
div y
REFCLKI
div 2
UPLLEN
P
ECPLL, FRCPLL
OSC
XTPLL, HSPLL,
SYSCLK
PBCLK
UFRCEN
(XT, HS, EC)
LPRC
P
S
FRC
OSC
OSC
FRCDIV
FRC/16
ROSEL<3:0>
LPRC
S
FRC
OSC
FSCMEN<1:0>
© 2011-2012 Microchip Technology Inc.
USB Clock (48 MHz)
Clock Control Logic
ROTRIM<8:0>
RODIV<4:0>
÷
NOSC<2:0>
COSC<2:0>
⎛
⎝
N
Fail-Safe
Monitor
(M)
(N)
+
Clock
CPU and Select Peripherals
--------- -
512
M
PBDIV<1:0>
Postscaler
⎞
⎠
div x
OSWEN
SYSCLK
OE
FSCM Event
Timer1, RTCC
To SPI
Peripherals
PBCLK (T
WDT, PWRT
FSCM INT
REFCLKO
PB
)