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鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� MCF5280CVM80J
寤犲晢锛� Freescale Semiconductor
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 382/766闋�(y猫)
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC MPU RISC 80MHZ 256-MAPBGA
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 90
绯诲垪锛� MCF528x
鏍稿績铏曠悊鍣細 Coldfire V2
鑺珨灏哄锛� 32-浣�
閫熷害锛� 80MHz
閫i€氭€э細 CAN锛孍BI/EMI锛屼互澶恫(w菐ng)锛孖²C锛孲PI锛孶ART/USART
澶栧湇瑷�(sh猫)鍌欙細 DMA锛孡VD锛孭OR锛孭WM锛學DT
杓稿叆/杓稿嚭鏁�(sh霉)锛� 150
绋嬪簭瀛樺劜(ch菙)鍣ㄩ鍨嬶細 ROMless
RAM 瀹归噺锛� 64K x 8
闆诲 - 闆绘簮 (Vcc/Vdd)锛� 2.7 V ~ 3.6 V
鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒锛� A/D 8x10b
鎸暕鍣ㄥ瀷锛� 澶栭儴
宸ヤ綔婧害锛� -40°C ~ 85°C
灏佽/澶栨锛� 256-LBGA
鍖呰锛� 鎵樼洡
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�(y猫)绗�465闋�(y猫)绗�466闋�(y猫)绗�467闋�(y猫)绗�468闋�(y猫)绗�469闋�(y猫)绗�470闋�(y猫)绗�471闋�(y猫)绗�472闋�(y猫)绗�473闋�(y猫)绗�474闋�(y猫)绗�475闋�(y猫)绗�476闋�(y猫)绗�477闋�(y猫)绗�478闋�(y猫)绗�479闋�(y猫)绗�480闋�(y猫)绗�481闋�(y猫)绗�482闋�(y猫)绗�483闋�(y猫)绗�484闋�(y猫)绗�485闋�(y猫)绗�486闋�(y猫)绗�487闋�(y猫)绗�488闋�(y猫)绗�489闋�(y猫)绗�490闋�(y猫)绗�491闋�(y猫)绗�492闋�(y猫)绗�493闋�(y猫)绗�494闋�(y猫)绗�495闋�(y猫)绗�496闋�(y猫)绗�497闋�(y猫)绗�498闋�(y猫)绗�499闋�(y猫)绗�500闋�(y猫)绗�501闋�(y猫)绗�502闋�(y猫)绗�503闋�(y猫)绗�504闋�(y猫)绗�505闋�(y猫)绗�506闋�(y猫)绗�507闋�(y猫)绗�508闋�(y猫)绗�509闋�(y猫)绗�510闋�(y猫)绗�511闋�(y猫)绗�512闋�(y猫)绗�513闋�(y猫)绗�514闋�(y猫)绗�515闋�(y猫)绗�516闋�(y猫)绗�517闋�(y猫)绗�518闋�(y猫)绗�519闋�(y猫)绗�520闋�(y猫)绗�521闋�(y猫)绗�522闋�(y猫)绗�523闋�(y猫)绗�524闋�(y猫)绗�525闋�(y猫)绗�526闋�(y猫)绗�527闋�(y猫)绗�528闋�(y猫)绗�529闋�(y猫)绗�530闋�(y猫)绗�531闋�(y猫)绗�532闋�(y猫)绗�533闋�(y猫)绗�534闋�(y猫)绗�535闋�(y猫)绗�536闋�(y猫)绗�537闋�(y猫)绗�538闋�(y猫)绗�539闋�(y猫)绗�540闋�(y猫)绗�541闋�(y猫)绗�542闋�(y猫)绗�543闋�(y猫)绗�544闋�(y猫)绗�545闋�(y猫)绗�546闋�(y猫)绗�547闋�(y猫)绗�548闋�(y猫)绗�549闋�(y猫)绗�550闋�(y猫)绗�551闋�(y猫)绗�552闋�(y猫)绗�553闋�(y猫)绗�554闋�(y猫)绗�555闋�(y猫)绗�556闋�(y猫)绗�557闋�(y猫)绗�558闋�(y猫)绗�559闋�(y猫)绗�560闋�(y猫)绗�561闋�(y猫)绗�562闋�(y猫)绗�563闋�(y猫)绗�564闋�(y猫)绗�565闋�(y猫)绗�566闋�(y猫)绗�567闋�(y猫)绗�568闋�(y猫)绗�569闋�(y猫)绗�570闋�(y猫)绗�571闋�(y猫)绗�572闋�(y猫)绗�573闋�(y猫)绗�574闋�(y猫)绗�575闋�(y猫)绗�576闋�(y猫)绗�577闋�(y猫)绗�578闋�(y猫)绗�579闋�(y猫)绗�580闋�(y猫)绗�581闋�(y猫)绗�582闋�(y猫)绗�583闋�(y猫)绗�584闋�(y猫)绗�585闋�(y猫)绗�586闋�(y猫)绗�587闋�(y猫)绗�588闋�(y猫)绗�589闋�(y猫)绗�590闋�(y猫)绗�591闋�(y猫)绗�592闋�(y猫)绗�593闋�(y猫)绗�594闋�(y猫)绗�595闋�(y猫)绗�596闋�(y猫)绗�597闋�(y猫)绗�598闋�(y猫)绗�599闋�(y猫)绗�600闋�(y猫)绗�601闋�(y猫)绗�602闋�(y猫)绗�603闋�(y猫)绗�604闋�(y猫)绗�605闋�(y猫)绗�606闋�(y猫)绗�607闋�(y猫)绗�608闋�(y猫)绗�609闋�(y猫)绗�610闋�(y猫)绗�611闋�(y猫)绗�612闋�(y猫)绗�613闋�(y猫)绗�614闋�(y猫)绗�615闋�(y猫)绗�616闋�(y猫)绗�617闋�(y猫)绗�618闋�(y猫)绗�619闋�(y猫)绗�620闋�(y猫)绗�621闋�(y猫)绗�622闋�(y猫)绗�623闋�(y猫)绗�624闋�(y猫)绗�625闋�(y猫)绗�626闋�(y猫)绗�627闋�(y猫)绗�628闋�(y猫)绗�629闋�(y猫)绗�630闋�(y猫)绗�631闋�(y猫)绗�632闋�(y猫)绗�633闋�(y猫)绗�634闋�(y猫)绗�635闋�(y猫)绗�636闋�(y猫)绗�637闋�(y猫)绗�638闋�(y猫)绗�639闋�(y猫)绗�640闋�(y猫)绗�641闋�(y猫)绗�642闋�(y猫)绗�643闋�(y猫)绗�644闋�(y猫)绗�645闋�(y猫)绗�646闋�(y猫)绗�647闋�(y猫)绗�648闋�(y猫)绗�649闋�(y猫)绗�650闋�(y猫)绗�651闋�(y猫)绗�652闋�(y猫)绗�653闋�(y猫)绗�654闋�(y猫)绗�655闋�(y猫)绗�656闋�(y猫)绗�657闋�(y猫)绗�658闋�(y猫)绗�659闋�(y猫)绗�660闋�(y猫)绗�661闋�(y猫)绗�662闋�(y猫)绗�663闋�(y猫)绗�664闋�(y猫)绗�665闋�(y猫)绗�666闋�(y猫)绗�667闋�(y猫)绗�668闋�(y猫)绗�669闋�(y猫)绗�670闋�(y猫)绗�671闋�(y猫)绗�672闋�(y猫)绗�673闋�(y猫)绗�674闋�(y猫)绗�675闋�(y猫)绗�676闋�(y猫)绗�677闋�(y猫)绗�678闋�(y猫)绗�679闋�(y猫)绗�680闋�(y猫)绗�681闋�(y猫)绗�682闋�(y猫)绗�683闋�(y猫)绗�684闋�(y猫)绗�685闋�(y猫)绗�686闋�(y猫)绗�687闋�(y猫)绗�688闋�(y猫)绗�689闋�(y猫)绗�690闋�(y猫)绗�691闋�(y猫)绗�692闋�(y猫)绗�693闋�(y猫)绗�694闋�(y猫)绗�695闋�(y猫)绗�696闋�(y猫)绗�697闋�(y猫)绗�698闋�(y猫)绗�699闋�(y猫)绗�700闋�(y猫)绗�701闋�(y猫)绗�702闋�(y猫)绗�703闋�(y猫)绗�704闋�(y猫)绗�705闋�(y猫)绗�706闋�(y猫)绗�707闋�(y猫)绗�708闋�(y猫)绗�709闋�(y猫)绗�710闋�(y猫)绗�711闋�(y猫)绗�712闋�(y猫)绗�713闋�(y猫)绗�714闋�(y猫)绗�715闋�(y猫)绗�716闋�(y猫)绗�717闋�(y猫)绗�718闋�(y猫)绗�719闋�(y猫)绗�720闋�(y猫)绗�721闋�(y猫)绗�722闋�(y猫)绗�723闋�(y猫)绗�724闋�(y猫)绗�725闋�(y猫)绗�726闋�(y猫)绗�727闋�(y猫)绗�728闋�(y猫)绗�729闋�(y猫)绗�730闋�(y猫)绗�731闋�(y猫)绗�732闋�(y猫)绗�733闋�(y猫)绗�734闋�(y猫)绗�735闋�(y猫)绗�736闋�(y猫)绗�737闋�(y猫)绗�738闋�(y猫)绗�739闋�(y猫)绗�740闋�(y猫)绗�741闋�(y猫)绗�742闋�(y猫)绗�743闋�(y猫)绗�744闋�(y猫)绗�745闋�(y猫)绗�746闋�(y猫)绗�747闋�(y猫)绗�748闋�(y猫)绗�749闋�(y猫)绗�750闋�(y猫)绗�751闋�(y猫)绗�752闋�(y猫)绗�753闋�(y猫)绗�754闋�(y猫)绗�755闋�(y猫)绗�756闋�(y猫)绗�757闋�(y猫)绗�758闋�(y猫)绗�759闋�(y猫)绗�760闋�(y猫)绗�761闋�(y猫)绗�762闋�(y猫)绗�763闋�(y猫)绗�764闋�(y猫)绗�765闋�(y猫)绗�766闋�(y猫)
UART Modules
23-22
Freescale Semiconductor
programming the ERR bit in the UART鈥檚 mode register (UMR1n), status is provided in character or block
modes.
USRn[RXRDY] is set when at least one character is available to be read by the CPU. A read of the receive
buffer produces an output of data from the top of the FIFO. After the read cycle, the data at the top of the
FIFO and its associated status bits are popped and the receiver shift register can add new data at the bottom
of the FIFO. The FIFO-full status bit (FFULL) is set if all three positions are filled with data. The RXRDY
or FFULL bit can be selected to cause an interrupt and TXRDY or RXRDY can be used to generate a DMA
request.
The two error modes are selected by UMR1n[ERR]:
In character mode (UMR1n[ERR] = 0), status is given in the USRn for the character at the top of
the FIFO.
In block mode, the USRn shows a logical OR of all characters reaching the top of the FIFO since
the last RESET ERROR STATUS command. Status is updated as characters reach the top of the
FIFO. Block mode offers a data-reception speed advantage where the software overhead of
error-checking each character cannot be tolerated. However, errors are not detected until the check
is performed at the end of an entire message鈥攖he faulting character is not identified.
In either mode, reading the USRn does not affect the FIFO. The FIFO is popped only when the receive
buffer is read. The USRn should be read before reading the receive buffer. If all three receiver holding
registers are full, a new character is held in the receiver shift register until space is available. However, if
a second new character is received, the contents of the character in the receiver shift register is lost, the
FIFOs are unaffected, and USRn[OE] is set when the receiver detects the start bit of the new overrunning
character.
To support flow control, the receiver can be programmed to automatically negate and assert URTSn, in
which case the receiver automatically negates URTSn when a valid start bit is detected and the FIFO is
full. The receiver asserts URTSn when a FIFO position becomes available; therefore, connecting URTSn
to the UCTSn input of the transmitting device can prevent overrun errors.
NOTE
The receiver continues reading characters in the FIFO if the receiver is
disabled. If the receiver is reset, the FIFO, URTSn control, all receiver status
bits, interrupts, and DMA requests are reset. No more characters are
received until the receiver is reenabled.
23.4.3
Looping Modes
The UART can be configured to operate in various looping modes. These modes are useful for local and
remote system diagnostic functions. The modes are described in the following paragraphs and in
The UART鈥檚 transmitter and receiver should be disabled when switching between modes. The selected
mode is activated immediately upon mode selection, regardless of whether a character is being received
or transmitted.
MCF5282 and MCF5216 ColdFire Microcontroller User鈥檚 Manual, Rev. 3
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
VI-214-CV-S CONVERTER MOD DC/DC 48V 150W
VE-2WX-CV-S CONVERTER MOD DC/DC 5.2V 150W
VE-2W0-CV-S CONVERTER MOD DC/DC 5V 150W
VE-21H-CV-S CONVERTER MOD DC/DC 52V 150W
JBXFD0G06MSSDPMR CONN PLUG 6POS STRAIGHT SOLDER
鐩搁棞(gu膩n)浠g悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉)
鍙冩暩(sh霉)鎻忚堪
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