參數(shù)資料
型號(hào)： AT89C5131A-RDTIL
廠商： Atmel
文件頁(yè)數(shù)： 181/185頁(yè)
文件大小： 0K
描述： IC 8051 MCU FLASH 32K USB 64VQFP
標(biāo)準(zhǔn)包裝： 160
系列： AT89C513x
核心處理器： C52X2
芯體尺寸： 8-位
速度： 48MHz
連通性： I²C，SPI，UART/USART，USB
外圍設(shè)備： LED，POR，PWM，WDT
輸入/輸出數(shù)： 34
程序存儲(chǔ)器容量： 32KB（32K x 8）
程序存儲(chǔ)器類型： 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量： 1.25K x 8
電壓 - 電源 (Vcc/Vdd)： 3 V ~ 3.6 V
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 64-LQFP
包裝： 托盤
配用： AT89STK-10-ND - KIT EVAL APPL MASS STORAGE
AT89STK-05-ND - KIT STARTER FOR AT89C5131
其它名稱： AT89C5131-RDTIL-ND
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2008-2012 Microchip Technology Inc.
DS70318F-page 95
dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04
7.0
INTERRUPT CONTROLLER
The dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/
X04 interrupt controller reduces the numerous peripheral
interrupt request signals to a single interrupt request
signal
to
the
dsPIC33FJ06GS101/X02
and
dsPIC33FJ16GSX02/X04 CPU. It has the following
features:
Up to eight processor exceptions and software
traps
Seven user-selectable priority levels
Interrupt Vector Table (IVT) with up to 118 vectors
A unique vector for each interrupt or exception
source
Fixed priority within a specified user priority level
Alternate Interrupt Vector Table (AIVT) for debug
support
Fixed interrupt entry and return latencies
7.1
Interrupt Vector Table
The Interrupt Vector Table (IVT) is shown in Figure 7-1.
The IVT resides in program memory, starting at location
000004h. The IVT contains 126 vectors, consisting of
eight nonmaskable trap vectors, plus up to 118 sources
of interrupt. In general, each interrupt source has its own
vector. Each interrupt vector contains a 24-bit-wide
address. The value programmed into each interrupt
vector location is the starting address of the associated
Interrupt Service Routine (ISR).
Interrupt vectors are prioritized in terms of their natural
priority. This priority is linked to their position in the
vector table. Lower addresses generally have a higher
natural priority. For example, the interrupt associated
with vector 0 will take priority over interrupts at any
other vector address.
The dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/
X04 devices implement up to 35 unique interrupts and
4 non-maskable
traps.
These
are summarized
in
7.1.1
ALTERNATE INTERRUPT VECTOR
TABLE
The Alternate Interrupt Vector Table (AIVT) is located
after the IVT, as shown in Figure 7-1. Access to the
AIVT
is
provided
by
the
ALTIVT
control
bit
(INTCON2<15>). If the ALTIVT bit is set, all interrupt
and exception processes use the alternate vectors
instead of the default vectors. The alternate vectors are
organized in the same manner as the default vectors.
The AIVT supports debugging by providing a means to
switch
between
an
application
and
a
support
environment without requiring the interrupt vectors to
be reprogrammed. This feature also enables switching
between
applications
for
evaluation
of
different
software algorithms at run time. If the AIVT is not
needed, the AIVT should be programmed with the
same addresses used in the IVT.
7.2
Reset Sequence
A device Reset is not a true exception because the
interrupt controller is not involved in the Reset process.
The dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/
X04 device clears its registers in response to a Reset,
which forces the PC to zero. The digital signal controller
then begins program execution at location 0x000000. A
GOTO
instruction at the Reset address can redirect
program execution to the appropriate start-up routine.
Note 1: This data sheet summarizes the features
of
the
dsPIC33FJ06GS101/X02
and
dsPIC33FJ16GSX02/X04
families
of
devices. It is not intended to be a
comprehensive reference source. To
complement the information in this data
sheet, refer to Section 41. “Interrupts
(Part IV)” (DS70300) in the “dsPIC33F/
PIC24H
Family
Reference
Manual”,
which is available on the Microchip web
site (www.microchip.com).
2: Some registers and associated bits
described in this section may not be
available
on
all
devices.
Refer
to
this data sheet for device-specific register
and bit information.
Note:
Any unimplemented or unused vector
locations in the IVT and AIVT should be
programmed with the address of a default
interrupt handler routine that contains a
RESET
instruction.
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AT89C5131A-RDTIM 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Flash Microcontroller with Full Speed USB Device
AT89C5131A-RDTUL 功能描述:8位微控制器 -MCU 32K Flash 3V USB RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT89C5131A-RDTUM 功能描述:8位微控制器 -MCU C5130A 32K Flash RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
AT89C5131A-RDTUM 制造商:Atmel Corporation 功能描述:IC 8BIT MCU C51/C251 48MHZ 64-VQFP
AT89C5131A-S3SIL 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Flash Microcontroller with Full Speed USB Device
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