DSPIC33FJ32GS406-I/PT Microchip Technology, DSPIC33FJ32GS406-I/PT Datasheet - Page 190

• Manufacturer Part Number: DSPIC33FJ32GS406-I/PT
• Description: IC MCU/DSP 32KB FLASH 64TQFP
• Manufacturer: Microchip Technology
• Series: dsPIC™ 33Fr

Specifications of DSPIC33FJ32GS406-I/PT

• Core Processor: dsPIC
• Core Size: 16-Bit
• Speed: 40 MIPs
• Connectivity: I²C, IrDA, LIN, SCI, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, QEI, POR, PWM, WDT
• Number Of I /o: 58
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TFQFP
• Core Frequency: 40MHz
• Embedded Interface Type: I2C, SPI, UART
• No. Of I/o's: 53
• Flash Memory Size: 32KB
• Supply Voltage Range: 3V To 3.6V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

dsPIC33FJ32GS406/606/608/610 and dsPIC33FJ64GS406/606/608/610
TABLE 9-1:
9.1.3
The primary oscillator and internal FRC oscillator can
optionally use an on-chip PLL to obtain higher speeds
of operation. The PLL provides significant flexibility in
selecting the device operating speed. A block diagram
of the PLL is shown in Figure 9-2.
The output of the primary oscillator or FRC, denoted as
‘F
... or 33 before being provided to the PLL’s Voltage
Controlled Oscillator (VCO). The input to the VCO must
be selected in the range of 0.8 MHz to 8 MHz. The
prescale
PLLPRE<4:0> bits (CLKDIV<4:0>).
The PLL Feedback Divisor, selected using the
PLLDIV<8:0> bits (PLLFBD<8:0>), provides a factor, ‘M’,
by which the input to the VCO is multiplied. This factor
must be selected such that the resulting VCO output
frequency is in the range of 100 MHz to 200 MHz.
The VCO output is further divided by a postscale factor,
‘N2’. This factor is selected using the PLLPOST<1:0>
bits (CLKDIV<7:6>). ‘N2’ can be either 2, 4 or 8, and
must be selected such that the PLL output frequency
(F
generates device operating speeds of 6.25-40 MIPS.
DS70591C-page 190
Fast RC Oscillator with Divide-by-N (FRCDIVN)
Fast RC Oscillator with Divide-by-16 (FRCDIV16)
Low-Power RC Oscillator (LPRC)
Secondary Oscillator (SOSC)
Primary Oscillator (HS) with PLL (HSPLL)
Primary Oscillator (XT) with PLL (XTPLL)
Primary Oscillator (EC) with PLL (ECPLL)
Primary Oscillator (HS)
Primary Oscillator (XT)
Primary Oscillator (EC)
Fast RC Oscillator with PLL (FRCPLL)
Fast RC Oscillator (FRC)
Note 1:
IN
OSC
’, is divided down by a prescale factor (N1) of 2, 3,
) is in the range of 12.5 MHz to 80 MHz, which
2:
factor
OSC2 pin function is determined by the OSCIOFNC Configuration bit.
This is the default oscillator mode for an unprogrammed (erased) device.
PLL CONFIGURATION
Oscillator Mode
CONFIGURATION BIT VALUES FOR CLOCK SELECTION
‘N1’
is
selected
using
Preliminary
the
Oscillator Source POSCMD<1:0> FNOSC<2:0>
Secondary
Primary
Primary
Primary
Primary
Primary
Primary
Internal
Internal
Internal
Internal
Internal
For a primary oscillator or FRC oscillator, output ‘F
the PLL output ‘F
EQUATION 9-2:
For example, suppose a 10 MHz crystal is being used
with the selected oscillator mode of XT with PLL (see
Equation 9-3).
• If PLLPRE<4:0> = 0, then N1 = 2. This yields a
• If PLLDIV<8:0> = 0x1E, then M = 32. This yields a
• If PLLPOST<1:0> = 0, then N2 = 2. This provides
EQUATION 9-3:
VCO input of 10/2 = 5 MHz, which is within the
acceptable range of 0.8-8 MHz.
VCO output of 5 x 32 = 160 MHz, which is within
the 100-200 MHz ranged needed.
a F
operating speed is 80/2 = 40 MIPS.
F
CY
OSC
=
of 160/2 = 80 MHz. The resultant device
F
OSC
2
xx
xx
xx
xx
10
01
00
10
01
00
xx
xx
F
=
OSC
OSC
1
2
’ is given by Equation 9-2.
= F
(
F
XT WITH PLL MODE
EXAMPLE
10000000 * 32
 2010 Microchip Technology Inc.
OSC
IN
*
2 * 2
(
CALCULATION
N1*N2
111
110
101
100
011
011
011
010
010
010
001
000
M
)
)
=
40 MIPS
Note
1, 2
—
—
—
—
—
1
1
1
1
1
1
IN
’,