31.4.5.1 I/O Lines The pin used by AW is multiplexed with the RESET_N pin. The reset functionality is the defaul" />
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� 642/755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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5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)鐣�(d膩ng)鍓嶇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)
677
32133D鈥�11/2011
UC3D
31.4.5.1
I/O Lines
The pin used by AW is multiplexed with the RESET_N pin. The reset functionality is the default
function of this pin. To enable the aWire functionality on the RESET_N pin the user must enable
the AW either by sending the enable sequence over the RESET_N pin from an external aWire
master or by enabling the aWire user interface.
In 2-pin mode data is received on the RESET_N line, but transmitted on the DATAOUT line.
After sending the 2_PIN_MODE command the DATAOUT line is automatically enabled. All other
peripheral functions on this pin is disabled.
31.4.5.2
Power Management
When debugging through AW the system clocks are automatically turned on to allow debugging
in sleep modes.
31.4.5.3
Clocks
The aWire UART uses the internal 120 MHz RC oscillator (RC120M) as clock source for its
operation. When enabling the AW the RC120M is automatically started.
31.4.6
Functional Description
31.4.6.1
aWire Communication Protocol
The AW is accessed through the RESET_N pin shown in Table 31-6 on page 676. The AW com-
municates through a UART operating at variable baud rate (depending on a sync pattern) with
one start bit, 8 data bits (LSB first), one stop bit, and no parity bits. The aWire protocol is based
upon command packets from an externalmaster and response packets from the slave (AW). The
master always initiates communication and decides the baud rate.
The packet contains a sync byte (0x55), a command/response byte, two length bytes (optional),
a number of data bytes as defined in the length field (optional), and two CRC bytes. If the com-
mand/response has the most significant bit set, the command/response also carries the optional
length and data fields. The CRC field is not checked if the CRC value transmitted is 0x0000.
CRC calculation
Table 31-7.
aWire Packet Format
Field
Number of bytes
Description
Comment
Optional
SYNC
1
Sync pattern (0x55).
Used by the receiver to set the baud rate
clock.
No
COMMAND/
RESPONSE
1
Command from the master or
response from the slave.
When the most significant bit is set the
command/response has a length field. A
response has the next most significant bit
set. A command does not have this bit set.
No
LENGTH
2
The number of bytes in the DATA
field.
Yes
DATA
LENGTH
Data according to command/
response.
Yes
CRC
2
CRC calculated with the FCS16
polynomial.
CRC value of 0x0000 makes the aWire
disregard the CRC if the master does not
support it.
No
鐩搁棞(gu膩n)PDF璩囨枡
PDF鎻忚堪
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-AUT 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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