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參數(shù)資料
| 型號(hào)： | DSPIC30F4013-30I/P |
| 廠商： | Microchip Technology |
| 文件頁(yè)數(shù)： | 61/153頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DSPIC MCU/DSP 48K 40DIP |
| 產(chǎn)品培訓(xùn)模塊： | Serial Communications using dsPIC30F CAN Serial Communications using dsPIC30F I2C Serial Communications using dsPIC30F SPI Serial Communications using dsPIC30F UART dsPIC30F 12 bit ADC - Part 2 dsPIC30F Addressing Modes - Part 1 dsPIC30F Architecture - Part 1 dsPIC30F DSP Engine & ALU dsPIC30F Interrupts dsPIC30F Motor Control PWM dsPIC Timers Asynchronous Stimulus dsPIC30F Addressing Modes - Part 2 dsPIC30F Architecture - Part 2 dsPIC30F 12-bit ADC Part 1 |
| 標(biāo)準(zhǔn)包裝： | 10 |
| 系列： | dsPIC™ 30F |
| 核心處理器： | dsPIC |
| 芯體尺寸： | 16-位 |
| 速度： | 30 MIP |
| 連通性： | CAN，I²C，SPI，UART/USART |
| 外圍設(shè)備： | AC'97，欠壓檢測(cè)/復(fù)位，I²S，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 30 |
| 程序存儲(chǔ)器容量： | 48KB（16K x 24） |
| 程序存儲(chǔ)器類型： | 閃存 |
| EEPROM 大?。?/td> | 1K x 8 |
| RAM 容量： | 2K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.5 V ~ 5.5 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 13x12b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 40-DIP（0.600"，15.24mm） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 651 (CN2011-ZH PDF) |
| 配用： | AC30F003-ND - MODULE SOCKET DSPIC30F 40DIP DV164005-ND - KIT ICD2 SIMPLE SUIT W/USB CABLE ACICE0206-ND - ADAPTER MPLABICE 40P 600 MIL |
| 其它名稱： | DSPIC30F4013-30IP |
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2010 Microchip Technology Inc.
DS70138G-page 153
dsPIC30F3014/4013
20.4.1.1
POR with Long Crystal Start-up Time
(with FSCM Enabled)
The oscillator start-up circuitry is not linked to the POR
circuitry.
Some
crystal
circuits
(especially
low-
frequency crystals) have a relatively long start-up time.
Therefore, one or more of the following conditions is
possible after the POR timer and the PWRT have
expired:
The oscillator circuit has not begun to oscillate.
The Oscillator Start-up Timer has not expired (if a
crystal oscillator is used).
The PLL has not achieved a LOCK (if PLL is
used).
If the FSCM is enabled and one of the above conditions
is true, a clock failure trap occurs. The device automat-
ically switches to the FRC oscillator and the user can
switch to the desired crystal oscillator in the trap ISR.
20.4.1.2
Operating without FSCM and PWRT
If the FSCM is disabled and the Power-up Timer
(PWRT) is also disabled, then the device exits rapidly
from Reset on power-up. If the clock source is FRC,
LPRC, ERC or EC, it will be active immediately.
If the FSCM is disabled and the system clock has not
started, the device will be in a frozen state at the Reset
vector until the system clock starts. From the user’s
perspective, the device appears to be in Reset until a
system clock is available.
20.4.2
BOR: PROGRAMMABLE
BROWN-OUT RESET
The BOR (Brown-out Reset) module is based on an
internal voltage reference circuit. The main purpose of
the BOR module is to generate a device Reset when a
brown-out condition occurs. Brown-out conditions are
generally caused by glitches on the AC mains (i.e.,
missing portions of the AC cycle waveform due to bad
power transmission lines, or voltage sags due to exces-
sive current draw when a large inductive load is turned
on).
The BOR module allows selection of one of the
following voltage trip points (see Table 23-11):
2.6V-2.71V
4.1V-4.4V
4.58V-4.73V
A BOR generates a Reset pulse, which resets the
device. The BOR selects the clock source based on the
device Configuration
bit values
(FOS<2:0> and
FPR<4:0>). Furthermore, if an oscillator mode is
selected, the BOR activates the Oscillator Start-up
Timer (OST). The system clock is held until OST
expires. If the PLL is used, then the clock is held until
the LOCK bit (OSCCON<5>) is ‘1’.
Concurrently, the POR time-out (TPOR) and the PWRT
time-out (TPWRT) are applied before the internal Reset is
released. If TPWRT = 0 and a crystal oscillator is being
used, then a nominal delay of TFSCM = 100
s is applied.
The total delay in this case is (TPOR + TFSCM).
The BOR status bit (RCON<1>) is set to indicate that a
BOR has occurred. The BOR circuit, if enabled, contin-
ues to operate while in Sleep or Idle modes and resets
the device should VDD fall below the BOR threshold
voltage.
FIGURE 20-6:
EXTERNAL POWER-ON
RESET CIRCUIT (FOR
SLOW VDD POWER-UP)
Note:
The BOR voltage trip points indicated here
are nominal values provided for design
guidance only. Refer to the Electrical
Specifications in the specific device data
sheet for BOR voltage limit specifications.
Note:
Dedicated supervisory devices, such as
the MCP1XX and MCP8XX, may also be
used as an external Power-on Reset
circuit.
Note
1:
External Power-on Reset circuit is required
only if the VDD power-up slope is too slow.
The diode D helps discharge the capacitor
quickly when VDD powers down.
2:
R should be suitably chosen so as to make
sure that the voltage drop across R does not
violate the device’s electrical specifications.
3:
R1 should be suitably chosen so as to limit
any current flowing into MCLR from external
capacitor C, in the event of MCLR/VPP pin
breakdown due to Electrostatic Discharge
(ESD), or Electrical Overstress (EOS).
C
R1
R
D
VDD
dsPIC30F
MCLR
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