DSPIC30F6010A-30I/PF Microchip Technology Inc., DSPIC30F6010A-30I/PF Datasheet - Page 153
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DSPIC30F6010A-30I/PF
Manufacturer Part Number
DSPIC30F6010A-30I/PF
Description
16 BIT MCU/DSP 80LD 30MIPS 144 KB FLASH
Manufacturer
Microchip Technology Inc.
Type
DSPr
Datasheet
1.DSPIC30F6010A-30IPF.pdf
(236 pages)
Specifications of DSPIC30F6010A-30I/PF
A/d Inputs
16-Channels, 10-Bit
Cpu Speed
30 MIPS
Eeprom Memory
4K Bytes
Input Output
68
Interface
CAN, I2C, SPI, UART/USART
Ios
68
Memory Type
Flash
Number Of Bits
16
Package Type
80-pin TQFP
Programmable Memory
144K Bytes
Ram Size
8K Bytes
Timers
5-16-bit, 2-32-bit
Voltage, Range
2.5-5.5
Lead Free Status / Rohs Status
RoHS Compliant part
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21.2.2
In order to ensure that a crystal oscillator (or ceramic
resonator) has started and stabilized, an Oscillator
Start-up Timer is included. It is a simple 10-bit counter
that counts 1024 T
oscillator clock to the rest of the system. The time-out
period is designated as T
involved every time the oscillator has to restart (i.e., on
POR, BOR and wake-up from Sleep). The Oscillator
Start-up Timer is applied to the LP, XT, XTL and HS
Oscillator modes (upon wake-up from Sleep, POR and
BOR) for the primary oscillator.
21.2.3
Enabling the LP oscillator is controlled with two
elements:
1.
2.
The LP oscillator is ON (even during Sleep mode) if
LPOSCEN = 1. The LP oscillator is the device clock if:
• COSC<2:0> = 000 (LP selected as main oscillator)
• LPOSCEN = 1
Keeping the LP oscillator ON at all times allows for a
fast switch to the 32 kHz system clock for lower power
operation. Returning to the faster main oscillator will
still require a start-up time.
21.2.4
The PLL multiplies the clock which is generated by the
primary oscillator. The PLL is selectable to have either
gains of x4, x8 and x16. Input and output frequency
ranges are summarized in Table 21-3.
TABLE 21-3:
The PLL features a lock output, which is asserted when
the PLL enters a phase locked state. Should the loop
fall out of lock (e.g., due to noise), the lock signal will be
rescinded. The state of this signal is reflected in the
read-only LOCK bit in the OSCCON register.
© 2006 Microchip Technology Inc.
4 MHz-10 MHz
4 MHz-10 MHz
4 MHz-7.5 MHz
and
The current oscillator group bits COSC<2:0>
The LPOSCEN bit (OSCCON register)
Fin
OSCILLATOR START-UP TIMER
(OST)
LP OSCILLATOR CONTROL
PHASE LOCKED LOOP (PLL)
PLL FREQUENCY RANGE
OSC
Multiplier
PLL
cycles before releasing the
x16
x4
x8
OST
. The T
16 MHz-40 MHz
32 MHz-80 MHz
64 MHz-120 MHz
OST
Fout
time is
dsPIC30F6010A/6015
21.2.5
The FRC oscillator is a fast (7.37 MHz nominal) internal
RC oscillator. This oscillator is intended to provide rea-
sonable device operating speeds without the use of an
external crystal, ceramic resonator or RC network. The
FRC oscillator can be used with the PLL to obtain
higher clock frequencies.
The dsPIC30F operates from the FRC oscillator when-
ever the current oscillator selection control bits in the
OSCCON register (OSCCON<14:12>) are set to ‘001’.
The
(OSCTUN<5:0>) allows the user to tune the internal
fast RC oscillator (nominal 7.37 MHz). The user can
tune the FRC oscillator within a range of +12.6% (930
kHz) and -13% (960 kHz) in steps of 0.4% around the
factory-calibrated setting, see Table 20-4.
If OSCCON<14:12> are set to ‘111’ and FPR<4:0> are
set to ‘00101’, ‘00110’ or ‘00111’, then a PLL
multiplier of 4, 8 or 16 (respectively) is applied.
TABLE 21-4:
Note:
TUN<5:0>
01 1111
01 1110
01 1101
00 0100
00 0011
00 0010
00 0001
00 0000
11 1111
11 1110
11 1101
11 1100
10 0011
10 0010
10 0001
10 0000
Bits
...
...
six
FAST RC OSCILLATOR (FRC)
When a 16x PLL is used, the FRC oscilla-
tor must not be tuned to a frequency
greater than 7.5 MHz.
bit
Center Frequency (oscillator is
running at calibrated frequency)
FRC TUNING
field
specified
FRC Frequency
+12.6%
+12.2%
+11.8%
...
+1.6%
+1.2%
+0.8%
+0.4%
-0.4%
-0.8%
-1.2%
-1.6%
...
-11.8%
-12.2%
-12.6%
-13.0%
DS70150B-page 151
by
TUN<5:0>
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