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參數資料
型號: DSPIC33FJ32MC204T-I/PT
廠商: Microchip Technology
文件頁數: 64/76頁
文件大小: 0K
描述: IC DSPIC MCU/DSP 32K 44TQFP
產品培訓模塊: Asynchronous Stimulus
標準包裝: 1,200
系列: dsPIC™ 33F
核心處理器: dsPIC
芯體尺寸: 16-位
速度: 40 MIP
連通性: I²C,IrDA,LIN,SPI,UART/USART
外圍設備: 欠壓檢測/復位,DMA,電機控制 PWM,QEI,POR,PWM,WDT
輸入/輸出數: 35
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數據轉換器: A/D 9x10b/12b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 帶卷 (TR)
配用: DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
其它名稱: DSPIC33FJ32MC204T-I/PTTR
2007-2012 Microchip Technology Inc.
DS70283K-page 67
dsPIC33FJ32MC202/204 and dsPIC33FJ16MC304
6.4
Power-on Reset (POR)
A Power-on Reset (POR) circuit ensures the device is
reset from power-on. The POR circuit is active until
VDD crosses the VPOR threshold and the delay TPOR
has elapsed. The delay TPOR ensures the internal
device bias circuits become stable.
The device supply voltage characteristics must meet
the
specified
starting
voltage
and
rise
rate
requirements to generate the POR. Refer to
The POR status bit (POR) in the Reset Control register
(RCON<0>) is set to indicate the Power-on Reset.
6.4.1
Brown-out Reset (BOR) and
Power-up timer (PWRT)
The on-chip regulator has a Brown-out Reset (BOR)
circuit that resets the device when the VDD is too low
(VDD < VBOR) for proper device operation. The BOR
circuit keeps the device in Reset until VDD crosses
VBOR threshold and the delay TBOR has elapsed. The
delay TBOR ensures the voltage regulator output
becomes stable.
The BOR status bit (BOR) in the Reset Control register
(RCON<1>) is set to indicate the Brown-out Reset.
The device will not run at full speed after a BOR as the
VDD should rise to acceptable levels for full-speed
operation. The PWRT provides power-up time delay
(TPWRT) to ensure that the system power supplies have
stabilized at the appropriate levels for full-speed
operation before the SYSRST is released.
The power-up timer delay (TPWRT) is programmed by
the Power-on Reset Timer Value Select bits
(FPWRT<2:0>) in the POR Configuration register
(FPOR<2:0>), which provides eight settings (from 0 ms
for further details.
Figure 6-3 shows the typical brown-out scenarios. The
reset delay (TBOR + TPWRT) is initiated each time VDD
rises above the VBOR trip point
TABLE 6-2:
OSCILLATOR DELAY
Symbol
Parameter
Value
VPOR
POR threshold
1.8V nominal
TPOR
POR extension time
30
μs maximum
VBOR
BOR threshold
2.5V nominal
TBOR
BOR extension time
100
μs maximum
TPWRT
Programmable power-up time delay
0-128 ms nominal
TFSCM
Fail-Safe Clock Monitor Delay
900
μs maximum
Note:
When the device exits the Reset
condition (begins normal operation), the
device operating parameters (voltage,
frequency, temperature, etc.) must be
within their operating ranges, other-
wise the device may not function cor-
rectly.
The
user
application
must
ensure that the delay between the time
power is first applied, and the time
SYSRST becomes inactive, is long
enough to get all operating parameters
within specification.
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dsPIC33FJ32MC302-E/SO 功能描述:數字信號處理器和控制器 - DSP, DSC 16B DSC 28LD32KB DMA 40MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數:50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT
dsPIC33FJ32MC302-E/SP 功能描述:數字信號處理器和控制器 - DSP, DSC 16B DSC 28LD32KB DMA 40MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數:50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT
dsPIC33FJ32MC302-I/MM 功能描述:數字信號處理器和控制器 - DSP, DSC 16B MCU/DSP 28 LD 40MIPS 32 KB FLASH RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數:50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT
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