DSPIC33FJ128MC804-H/ML Microchip Technology, DSPIC33FJ128MC804-H/ML Datasheet - Page 145

• Manufacturer Part Number: DSPIC33FJ128MC804-H/ML
• Description: 16-bit DSC, 128KB Flash, Motor, CAN, DMA, 40 MIPS, NanoWatt 44 QFN 8x8x0.9mm TUB
• Manufacturer: Microchip Technology
• Series: dsPIC™ 33Fr

Specifications of DSPIC33FJ128MC804-H/ML

• Core Processor: dsPIC
• Core Size: 16-Bit
• Speed: 20 MIPS
• Connectivity: CAN, I²C, IrDA, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, Motor Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 9x10b/12b, D/A 6x16b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 140°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.0
The dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/
X04 and dsPIC33FJ128MCX02/X04 oscillator system
provides:
FIGURE 9-1:
© 2011 Microchip Technology Inc.
SOSCO
SOSCI
dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
Note 1: This data sheet summarizes the features
Note 1:
R
(2)
2: Some registers and associated bits
OSCILLATOR CONFIGURATION
2:
3:
OSC1
OSC2
Secondary Oscillator
of
dsPIC33FJ64MCX02/X04
dsPIC33FJ128MCX02/X04
devices. It is not intended to be a
comprehensive reference source. To
complement the information in this data
sheet, refer to “Section 39. Oscillator
(Part III)” (DS70216) of the “dsPIC33F/
PIC24H Family Reference Manual”,
which is available from the Microchip web
site (www.microchip.com).
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.
See
If the Oscillator is used with XT or HS modes, an external parallel resistor with the value of 1 MΩ must be connected.
The term F
document F
is used in any ratio other than 1:1, which is the default.
Primary Oscillator
Oscillator
Oscillator
TUN<5:0>
Figure 9-2
LPRC
FRC
POSCMD<1:0>
the
dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/
X04 OSCILLATOR SYSTEM DIAGRAM
P
LPOSCEN
CY
refers to the clock source for all the peripherals, while F
and F
for PLL details.
dsPIC33FJ32MC302/304,
Auxiliary Oscillator
P
are used interchangeably, except in the case of Doze mode. F
POSCCLK
S1
S3
÷ 16
family
FRCDIV<2:0>
AOSCMD<1:0>
POSCCLK
and
AOSCCLK
of
in
PLL
ASRCSEL
• External and internal oscillator options as clock
• An on-chip Phase-Locked Loop (PLL) to scale the
• An internal FRC oscillator that can also be used
• Clock switching between various clock sources
• Programmable clock postscaler for system power
• A Fail-Safe Clock Monitor (FSCM) that detects
• An Oscillator Control register (OSCCON)
• Non-volatile Configuration bits for main oscillator
• An auxiliary crystal oscillator for audio DAC
A simplified diagram of the oscillator system is shown
in
XTPLL, HSPLL,
ECPLL, FRCPLL
F
VCO (1)
Clock Fail
sources
internal operating frequency to the required
system clock frequency
with the PLL, thereby allowing full-speed
operation without any external clock generation
hardware
savings
clock failure and takes fail-safe measures
selection.
Figure
XT, HS, EC
FRCDIV16
CY
FRCDIVN
S7
refers to the clock source for the CPU. Throughout this
F
LPRC
S
9-1.
FRC
VCO
OSC
(1)
Clock Switch
S1/S3
S7
S6
S0
S5
S4
S2
P
SELACK
NOSC<2:0>
and F
CY
÷ 2
will be different when Doze mode
Reset
FNOSC<2:0>
DOZE<2:0>
÷ N
DS70291E-page 145
APSTSCLR<2:0>
ACLK
Timer1
WDT,
PWRT,
FSCM
DAC
F
F
F
OSC
CY (3)
P (3)