參數(shù)資料
型號(hào): DSPIC30F5015-30I/PT
廠商: Microchip Technology
文件頁(yè)數(shù): 26/129頁(yè)
文件大?。?/td> 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(lèi)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(pán)
產(chǎn)品目錄頁(yè)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(chēng): DSPIC30F501530IPT
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2008 Microchip Technology Inc.
DS70149D-page 121
dsPIC30F5015/5016
18.5.2
FRAMING ERROR (FERR BIT)
The FERR bit (UxSTA<2>) is set if a ‘0’ is detected
instead of a Stop bit. If two Stop bits are selected, both
Stop bits must be ‘1’, otherwise FERR will be set. The
read-only FERR bit is buffered along with the received
data. It is cleared on any Reset.
18.5.3
PARITY ERROR (PERR BIT)
The PERR bit (UxSTA<3>) is set if the parity of the
received word is incorrect. This error bit is applicable
only if a Parity mode (odd or even) is selected. The
read-only PERR bit is buffered along with the received
data bytes. It is cleared on any Reset.
18.5.4
IDLE STATUS
When the receiver is active (i.e., between the initial
detection of the Start bit and the completion of the Stop
bit), the RIDLE bit (UxSTA<4>) is ‘0’. Between the
completion of the Stop bit and detection of the next
Start bit, the RIDLE bit is ‘1’, indicating that the UART
is Idle.
18.5.5
RECEIVE BREAK
The receiver will count and expect a certain number of
bit times based on the values programmed in the
PDSEL (UxMODE<2:1>) and STSEL (UxMODE<0>)
bits.
If the break is longer than 13 bit times, the reception is
considered complete after the number of bit times
specified by PDSEL and STSEL. The URXDA bit is
set, FERR is set, zeros are loaded into the receive
FIFO, interrupts are generated, if appropriate, and the
RIDLE bit is set.
When the module receives a long break signal and the
receiver has detected the Start bit, the data bits and
the invalid Stop bit (which sets the FERR), the receiver
must wait for a valid Stop bit before looking for the next
Start bit. It cannot assume that the break condition on
the line is the next Start bit.
Break is regarded as a character containing all 0’s,
with the FERR bit set. The break character is loaded
into the buffer. No further reception can occur until a
Stop bit is received. Note that RIDLE goes high when
the Stop bit has not been received yet.
18.6
Address Detect Mode
Setting the ADDEN bit (UxSTA<5>) enables this
special mode, in which a 9th bit (URX8) value of ‘1’
identifies the received word as an address rather than
data. This mode is only applicable for 9-bit data
communication. The URXISEL control bit does not
have any impact on interrupt generation in this mode,
since an interrupt (if enabled) will be generated every
time the received word has the 9th bit set.
18.7
Loopback Mode
Setting the LPBACK bit enables this special mode in
which the UxTX pin is internally connected to the UxRX
pin. When configured for the Loopback mode, the
UxRX pin is disconnected from the internal UART
receive logic. However, the UxTX pin still functions as
in a normal operation.
To select this mode:
a) Configure UART for desired mode of operation.
b) Set LPBACK = 1 to enable Loopback mode.
c)
Enable transmission as defined in Section 18.3
18.8
Baud Rate Generator
The UART has a 16-bit Baud Rate Generator to allow
maximum flexibility in baud rate generation. The Baud
Rate Generator register (UxBRG) is readable and
writable. The baud rate is computed as follows:
BRG = 16-bit value held in UxBRG register
(0 through 65535)
FCY = Instruction Clock Rate (1/TCY)
The Baud Rate is given by Equation 18-1.
EQUATION 18-1:
BAUD RATE
Therefore, maximum baud rate possible is
FCY/16 (if BRG = 0),
and the minimum baud rate possible is
FCY/(16 * 65536).
With a full 16-bit Baud Rate Generator, at 30 MIPS
operation, the minimum baud rate achievable is
28.5 bps.
Baud Rate = FCY/(16 * (BRG + 1))
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