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參數資料
型號: DSPIC33FJ128GP706A-I/MR
廠商: Microchip Technology
文件頁數: 15/90頁
文件大小: 0K
描述: IC DSPIC MCU/DSP 128K 64-QFN
特色產品: PIC24FJ/33FJ MCUs & dsPIC? DSCs
標準包裝: 40
系列: dsPIC™ 33F
核心處理器: dsPIC
芯體尺寸: 16-位
速度: 40 MIP
連通性: CAN,I²C,IrDA,LIN,SPI,UART/USART
外圍設備: AC'97,欠壓檢測/復位,DMA,I²S,POR,PWM,WDT
輸入/輸出數: 53
程序存儲器容量: 128KB(128K x 8)
程序存儲器類型: 閃存
RAM 容量: 16K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數據轉換器: A/D 18x10b/12b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-VFQFN 裸露焊盤
包裝: 管件
產品目錄頁面: 654 (CN2011-ZH PDF)
dsPIC33F
DS70155C-page 20
Preliminary
2005 Microchip Technology Inc.
FIGURE 6-1:
OSCILLATOR SYSTEM BLOCK DIAGRAM
6.2
Power-on Reset
When a supply voltage is applied to the device, a
Power-on Reset is generated. A new Power-on Reset
event is generated if the supply voltage falls below the
device threshold voltage (VPOR). An internal POR
pulse is generated when the rising supply voltage
crosses the POR circuit threshold voltage.
6.3
Oscillator Start-up Timer/Stabilizer
(OST)
An Oscillator Start-up Timer (OST) is included to
ensure that a crystal oscillator (or ceramic resonator)
has started and stabilized. The OST is a simple, 10-bit
counter that counts 1024 TOSC cycles before releasing
the oscillator clock to the rest of the system. The time-
out period is designated as TOST. The TOST time is
involved every time the oscillator has to restart (i.e., on
Power-on Reset (POR) and wake-up from Sleep). The
Oscillator Start-up Timer is applied to the LP oscillator,
XT and HS modes (upon wake-up from Sleep, POR
and BOR) for the primary oscillator.
6.4
Watchdog Timer (WDT)
The primary function of the Watchdog Timer (WDT) is
to reset the processor in the event of a software
malfunction. The WDT is a free-running timer that runs
off the on-chip LPRC oscillator, requiring no external
component. The WDT continues to operate even if the
main processor clock (e.g., the crystal oscillator) fails.
The Watchdog Timer can be “Enabled” or “Disabled”
either through a configuration bit (FWDTEN) in the
Configuration
register,
or
through
an
SFR
bit
(SWDTEN).
Any device programmer capable of programming
dsPIC DSC devices (such as Microchip’s MPLAB
PM3 Programmer) allows programming of this and
other configuration bits to the desired state. If enabled,
the WDT increments until it overflows or “times out”. A
WDT time-out forces a device Reset (except during
Sleep).
OSC1
Secondary
Oscillator
32 kHz
PLL
Module
Clock
Switching
and
Control
Block
OSC2
SOSCO
SOSCI
FOSC
Primary Osc
Secondary Osc
To Timer1
Internal Fast
RC (FRC)
Oscillator
Internal Low-Power
RC (LPRC)
Oscillator
Primary
Oscillator
FCY
Divide by 4
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相關代理商/技術參數
參數描述
dsPIC33FJ128GP706AT-I/MR 功能描述:數字信號處理器和控制器 - DSP, DSC 16 Bit MCU/DSP 64LD 40MIPS 128KB 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
dsPIC33FJ128GP706AT-I/PT 功能描述:數字信號處理器和控制器 - DSP, DSC 16Bit 40MIPS 128KB 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
dsPIC33FJ128GP706-E/PT 功能描述:數字信號處理器和控制器 - DSP, DSC 16B MCU DSP 64LD 40MIPS 128KB 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
dsPIC33FJ128GP706-I/PT 功能描述:數字信號處理器和控制器 - DSP, DSC 16 Bit MCU/DSP 64LD 40 MIPS 128KB 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
DSPIC33FJ128GP706-I/PTB22 制造商:Microchip Technology Inc 功能描述:MCCDSPIC33FJ128GP706-I/PTB22 CISCO CUSTO
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