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參數(shù)資料
| 型號(hào)： | DSPIC30F5015-30I/PT |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 33/129頁 |
| 文件大小： | 0K |
| 描述： | IC DSPIC MCU/DSP 66K 64TQFP |
| 產(chǎn)品培訓(xùn)模塊： | dsPIC30F Quadrature Encoder Interface 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： | 160 |
| 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： | 高級(jí)欠壓探測(cè)/復(fù)位，電機(jī)控制 PWM，QEI，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 52 |
| 程序存儲(chǔ)器容量： | 66KB（22K 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 16x10b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 64-TQFP |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 651 (CN2011-ZH PDF) |
| 配用： | XLT64PT5-ND - SOCKET TRAN ICE 64MQFP/TQFP AC164319-ND - MODULE SKT MPLAB PM3 64TQFP DV164005-ND - KIT ICD2 SIMPLE SUIT W/USB CABLE |
| 其它名稱： | DSPIC30F501530IPT |
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dsPIC30F5015/5016
DS70149D-page 128
2008 Microchip Technology Inc.
19.4
Message Reception
19.4.1
RECEIVE BUFFERS
The CAN bus module has 3 receive buffers. However,
one of the receive buffers is always committed to mon-
itoring the bus for incoming messages. This buffer is
called the Message Assembly Buffer (MAB). So there
are 2 receive buffers visible, RXB0 and RXB1, that can
essentially
instantaneously
receive
a
complete
message from the protocol engine.
All messages are assembled by the MAB, and are
transferred to the RXBn buffers only if the acceptance
filter criterion are met. When a message is received,
the RXnIF flag (CiINTF<0> or CiINRF<1>) will be set.
This bit can only be set by the module when a message
is received. The bit is cleared by the CPU when it has
completed processing the message in the buffer. If the
RXnIE bit (CiINTE<0> or CiINTE<1>) is set, an
interrupt will be generated when a message is
received.
RXF0 and RXF1 filters with RXM0 mask are associated
with RXB0. The filters RXF2, RXF3, RXF4, and RXF5
and the mask RXM1 are associated with RXB1.
19.4.2
MESSAGE ACCEPTANCE FILTERS
The message acceptance filters and masks are used to
determine if a message in the message assembly buf-
fer should be loaded into either of the receive buffers.
Once a valid message has been received into the mes-
sage assembly buffer, the identifier fields of the mes-
sage are compared to the filter values. If there is a
match, that message will be loaded into the appropriate
receive buffer.
The acceptance filter looks at incoming messages for
the RXIDE bit (CiRXnSID<0>) to determine how to
compare the identifiers. If the RXIDE bit is clear, the
message is a standard frame, and only filters with the
EXIDE bit (CiRXFnSID<0>) clear are compared. If the
RXIDE bit is set, the message is an extended frame,
and only filters with the EXIDE bit set are compared.
Configuring the RXM<1:0> bits to ‘01’ or ‘10’ can
override the EXIDE bit.
19.4.3
MESSAGE ACCEPTANCE FILTER
MASKS
The mask bits essentially determine which bits to apply
the filter to. If any mask bit is set to a zero, then that bit
will automatically be accepted regardless of the filter
bit. There are 2 programmable acceptance filter masks
associated with the receive buffers, one for each buffer.
19.4.4
RECEIVE OVERRUN
An overrun condition occurs when the message
assembly buffer has assembled a valid received mes-
sage, the message is accepted through the acceptance
filters, and when the receive buffer associated with the
filter has not been designated as clear of the previous
message.
The overrun error flag, RXnOVR (CiINTF<15> or
CiINTF<14>) and the ERRIF bit (CiINTF<5>) will be set
and the message in the MAB will be discarded.
If the DBEN bit is clear, RXB1 and RXB0 operate inde-
pendently. When this is the case, a message intended
for RXB0 will not be diverted into RXB1 if RXB0
contains an unread message and the RX0OVR bit will
be set.
If the DBEN bit is set, the overrun for RXB0 is handled
differently. If a valid message is received for RXB0 and
RXFUL = 1 indicates that RXB0 is full and RXFUL = 0
indicates that RXB1 is empty, the message for RXB0
will be loaded into RXB1. An overrun error will not be
generated for RXB0. If a valid message is received for
RXB0 and RXFUL = 1 and RXFUL = 1 indicates that
both RXB0 and RXB1 are full, the message will be lost
and an overrun will be indicated for RXB1.
19.4.5
RECEIVE ERRORS
The CAN module will detect the following receive
errors:
Cyclic Redundancy Check (CRC) Error
Bit Stuffing Error
Invalid Message Receive Error
The receive error counter is incremented by one in
case one of these errors occur. The RXWAR bit
(CiINTF<9>) indicates that the Receive Error Counter
has reached the CPU warning limit of 96 and an
interrupt is generated.
19.4.6
RECEIVE INTERRUPTS
Receive interrupts can be divided into 3 major groups,
each including various conditions that generate
interrupts:
Receive Interrupt
A message has been successfully received and loaded
into one of the receive buffers. This interrupt is acti-
vated immediately after receiving the End-of-Frame
(EOF) field. Reading the RXnIF flag will indicate which
receive buffer caused the interrupt.
Wake-up interrupt
The CAN module has woken up from Disable mode or
the device has woken up from Sleep mode.
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| dsPIC30F5015T-20E/PT | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 20MIPS 66 KB RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):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(fēng)格:SMD/SMT |
| DSPIC30F5015T-20I/PT | 功能描述:IC DSPIC MCU/DSP 66K 64TQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:dsPIC™ 30F 產(chǎn)品培訓(xùn)模塊:XLP Deep Sleep Mode 8-bit PIC® Microcontroller Portfolio 標(biāo)準(zhǔn)包裝:22 系列:PIC® XLP™ 18F 核心處理器:PIC 芯體尺寸:8-位 速度:48MHz 連通性:I²C，SPI，UART/USART，USB 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，POR，PWM，WDT 輸入/輸出數(shù):14 程序存儲(chǔ)器容量:8KB（4K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:256 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:20-DIP（0.300"，7.62mm） 包裝:管件 產(chǎn)品目錄頁面:642 (CN2011-ZH PDF) 配用:DV164126-ND - KIT DEVELOPMENT USB W/PICKIT 2DM164127-ND - KIT DEVELOPMENT USB 18F14/13K50AC164112-ND - VOLTAGE LIMITER MPLAB ICD2 VPP |
| dsPIC30F5015T-30I/PT | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 30MIPS 66 KB RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):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(fēng)格:SMD/SMT |
| dsPIC30F5016-20E/PT | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 20MIPS 66 KB RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):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(fēng)格:SMD/SMT |
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