24.8.2.2 Setting Up and Performing a Transfer Operation of the TWIS is mainly co" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� ATUC128D4-AUR
寤犲晢锛� Atmel
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 422/755闋�(y猫)
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC MCU 32BIT 128KB FLASH 48TQFP
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 2,500
绯诲垪锛� AVR®32 UC3 D
鏍稿績铏曠悊鍣細 AVR
鑺珨灏哄锛� 32-浣�
閫熷害锛� 48MHz
閫i€氭€э細 I²C锛孲PI锛孶ART/USART锛孶SB
澶栧湇瑷�(sh猫)鍌欙細 娆犲妾㈡脯(c猫)/寰�(f霉)浣�锛孌MA锛孖²S锛孭OR锛孭WM锛學DT
杓稿叆/杓稿嚭鏁�(sh霉)锛� 35
绋嬪簭瀛樺劜(ch菙)鍣ㄥ閲忥細 128KB锛�128K x 8锛�
绋嬪簭瀛樺劜(ch菙)鍣ㄩ鍨嬶細 闁冨瓨
RAM 瀹归噺锛� 16K x 8
闆诲 - 闆绘簮 (Vcc/Vdd)锛� 1.65 V ~ 3.6 V
鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涘櫒锛� A/D 6x10b
鎸暕鍣ㄥ瀷锛� 鍏�(n猫i)閮�
宸ヤ綔婧害锛� -40°C ~ 85°C
灏佽/澶栨锛� 48-TQFP
鍖呰锛� 甯跺嵎 (TR)
鍏跺畠鍚嶇ū锛� ATUC128D4-AUR-ND
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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)
479
32133D鈥�11/2011
UC3D
Figure 24-6. Bus Timing Diagram
24.8.2.2
Setting Up and Performing a Transfer
Operation of the TWIS is mainly controlled by the Control Register (CR). The following list pres-
ents the main steps in a typical communication:
3. Before any transfers can be performed, bus timings must be configured by writing to
the Timing Register (TR).If the Peripheral DMA Controller is to be used for the trans-
fers, it must be set up.
4. The Control Register (CR) must be configured with information such as the slave
address, SMBus mode, Packet Error Checking (PEC), number of bytes to transfer, and
which addresses to match.
The interrupt system can be set up to generate interrupt request on specific events or error con-
ditions, for example when a byte has been received.
The NBYTES register is only used in SMBus mode, when PEC is enabled. In IC mode or in
SMBus mode when PEC is disabled, the NBYTES register is not used, and should be written to
zero. NBYTES is updated by hardware, so in order to avoid hazards, software updates of
NBYTES can only be done through writes to the NBYTES register.
24.8.2.3
Address Matching
The TWIS can be set up to match several different addresses. More than one address match
may be enabled simultaneously, allowing the TWIS to be assigned to several addresses. The
address matching phase is initiated after a START or REPEATED START condition. When the
TWIS receives an address that generates an address match, an ACK is automatically returned
to the master.
In IC mode:
The address in CR.ADR is checked for address match if CR.SMATCH is one.
The General Call address is checked for address match if CR.GCMATCH is one.
In SMBus mode:
S
t
HD:STA
t LOW
t
SU:DAT
t HIGH
t
HD:DAT
t LOW
P
t
SU:STO
Sr
t
SU:STA
t
SU:DAT
鐩搁棞(gu膩n)PDF璩囨枡
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VI-B72-IW-F2 CONVERTER MOD DC/DC 15V 100W
V24C12H150B2 CONVERTER MOD DC/DC 12V 150W
VI-B71-IX-F3 CONVERTER MOD DC/DC 12V 75W
VI-B71-IX-F2 CONVERTER MOD DC/DC 12V 75W
VI-B71-IX-F1 CONVERTER MOD DC/DC 12V 75W
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ATUC128D4-Z1UT 鍔熻兘鎻忚堪:32浣嶅井鎺у埗鍣� - MCU UC3D4 128KB FL 85C 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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