參數(shù)資料
型號(hào): DSPIC30F6013T-20E/PF
廠商: Microchip Technology
文件頁(yè)數(shù): 59/228頁(yè)
文件大?。?/td> 0K
描述: IC DSPIC MCU/DSP 132K 80TQFP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
標(biāo)準(zhǔn)包裝: 1,000
系列: dsPIC™ 30F
核心處理器: dsPIC
芯體尺寸: 16-位
速度: 20 MIPS
連通性: CAN,I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,LVD,POR,PWM,WDT
輸入/輸出數(shù): 68
程序存儲(chǔ)器容量: 132KB(44K x 24)
程序存儲(chǔ)器類(lèi)型: 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量: 6K x 8
電壓 - 電源 (Vcc/Vdd): 2.5 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 16x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 80-TQFP
包裝: 帶卷 (TR)
配用: DM300024-ND - KIT DEMO DSPICDEM 1.1
AC164314-ND - MODULE SKT FOR PM3 80PF
其它名稱(chēng): DSPIC30F6013T20EP
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2006 Microchip Technology Inc.
DS70117F-page 149
dsPIC30F6011/6012/6013/6014
20.2.4
PHASE LOCKED LOOP (PLL)
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 20-3.
TABLE 20-3:
PLL FREQUENCY RANGE
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rescinded.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.
20.2.5
FAST RC OSCILLATOR (FRC)
The FRC oscillator is a fast (7.37 MHz ±2% nominal)
internal RC oscillator. This oscillator is intended to pro-
vide reasonable device operating speeds without the
use of an external crystal, ceramic resonator, or RC
network.
The dsPIC30F operates from the FRC oscillator when-
ever the current oscillator selection control bits in the
OSCCON register (COSC<13:12>) are set to ‘01’.
The four bit field specified by TUN<3:0> (OSCCON
<15:14> and OSCCON<11:10>) allows the user to tune
the internal fast RC oscillator (nominal 7.37MHz). The
user can tune the FRC oscillator within a range of -12%
(or -960 kHz) to +10.5% (or +840 kHz) in steps of
1.50% around the factory-calibrated setting, see
TABLE 20-4:
FRC TUNING
20.2.6
LOW POWER RC OSCILLATOR
(LPRC)
The LPRC oscillator is a component of the Watchdog
Timer (WDT) and oscillates at a nominal frequency of
512 kHz. The LPRC oscillator is the clock source for
the Power-up Timer (PWRT) circuit, WDT, and clock
monitor circuits. It may also be used to provide a low
frequency clock source option for applications where
power consumption is critical and timing accuracy is
not required
The LPRC oscillator is always enabled at a Power-on
Reset because it is the clock source for the PWRT.
After the PWRT expires, the LPRC oscillator will
remain on if one of the following is TRUE:
The Fail-Safe Clock Monitor is enabled
The WDT is enabled
The LPRC oscillator is selected as the system
clock via the COSC<1:0> control bits in the
OSCCON register
If one of the above conditions is not true, the LPRC will
shut off after the PWRT expires.
20.2.7
FAIL-SAFE CLOCK MONITOR
The Fail-Safe Clock Monitor (FSCM) allows the device
to continue to operate even in the event of an oscillator
failure. The FSCM function is enabled by appropriately
programming the FCKSM Configuration bits (clock
switch and monitor selection bits) in the FOSC Device
Configuration register. If the FSCM function is enabled,
the LPRC internal oscillator will run at all times (except
during Sleep mode) and will not be subject to control by
the SWDTEN bit.
In the event of an oscillator failure, the FSCM will gen-
erate a clock failure trap event and will switch the sys-
tem clock over to the FRC oscillator. The user will then
have the option to either attempt to restart the oscillator
or execute a controlled shutdown. The user may decide
to treat the trap as a warm Reset by simply loading the
Reset address into the oscillator fail trap vector. In this
event, the CF (Clock Fail) status bit (OSCCON<3>) is
also set whenever a clock failure is recognized.
In the event of a clock failure, the WDT is unaffected
and continues to run on the LPRC clock.
FIN
PLL
Multiplier
FOUT
4 MHz-10 MHz
x4
16 MHz-40 MHz
4 MHz-10 MHz
x8
32 MHz-80 MHz
4 MHz-7.5 MHz
x16
64 MHz-120 MHz
TUN<3:0>Bits
FRC Frequency
0111
+ 10.5%
0110
+ 9.0%
0101
+ 7.5%
0100
+ 6.0%
0011
+ 4.5%
0010
+ 3.0%
0001
+ 1.5%
0000
Center Frequency (oscillator is
running at calibrated frequency)
1111
- 1.5%
1110
- 3.0%
1101
- 4.5%
1100
- 6.0%
1011
- 7.5%
1010
- 9.0%
1001
- 10.5%
1000
- 12.0%
Note 1: OSC2 pin function is determined by the
Primary
Oscillator
mode
selection
(FPR<3:0>).
2: OSC1 pin cannot be used as an I/O pin
even if the secondary oscillator or an
internal clock source is selected at all
times.
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