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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� 405/766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(p谩n)
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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)
I2C Interface
Freescale Semiconductor
24-9
24.3.4
Acknowledge
The transmitter releases the I2C_SDA line high during the acknowledge clock pulse as shown in
Figure 24-9. The receiver pulls down the I2C_SDA line during the acknowledge clock pulse so that it
remains stable low during the high period of the clock pulse.
If it does not acknowledge the master, the slave receiver must leave I2C_SDA high. The master can then
generate a STOP signal to abort data transfer or generate a START signal (repeated start, shown in
Figure 24-10 and discussed in Section 24.3.6, 鈥淩epeated START鈥�) to start a new calling sequence.
Figure 24-9. Acknowledgement by Receiver
If the master receiver does not acknowledge the slave transmitter after a byte transmission, it means
end-of-data to the slave. The slave releases I2C_SDA for the master to generate a STOP or START signal
24.3.5
STOP Signal
The master can terminate communication by generating a STOP signal to free the bus. A STOP signal is
defined as a low-to-high transition of I2C_SDA while I2C_SCL is at logical high (see F in Figure 24-7).
The master can generate a STOP even if the slave has generated an acknowledgment, at which point the
slave must release the bus. The master may also generate a START signal following a calling address,
without first generating a STOP signal. Refer to Section 24.3.6, 鈥淩epeated START.鈥�
24.3.6
Repeated START
A repeated START signal is a START signal generated without first generating a STOP signal to terminate
the communication, as shown in Figure 24-10. The master uses a repeated START to communicate with
another slave or with the same slave in a different mode (transmit/receive mode) without releasing the bus.
56
78
9
4
3
2
1
Bit6
Bit4
Bit3
Bit2
Bit1
Bit5
Bit7
Bit0
START Signal
R/W
ACK
I2C_SCL
I2C_SDA by Transmitter
I2C_SDA by Receiver
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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MCF5281CVM66J 鍔熻兘鎻忚堪:32浣嶅井鎺у埗鍣� - MCU V2CORE 256K FLASH RoHS:鍚� 鍒堕€犲晢:Texas Instruments 鏍稿績:C28x 铏曠悊鍣ㄧ郴鍒�:TMS320F28x 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:32 bit 鏈€澶ф檪(sh铆)閻橀牷鐜�:90 MHz 绋嬪簭瀛樺劜(ch菙)鍣ㄥぇ灏�:64 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:26 KB 鐗囦笂 ADC:Yes 宸ヤ綔闆绘簮闆诲:2.97 V to 3.63 V 宸ヤ綔婧害鑼冨湇:- 40 C to + 105 C 灏佽 / 绠遍珨:LQFP-80 瀹夎棰�(f膿ng)鏍�:SMD/SMT
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