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鍨嬭櫉锛� ATUC128D4-AUR
寤犲晢锛� Atmel
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鏍稿績铏曠悊鍣細 AVR
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杓稿叆/杓稿嚭鏁革細 35
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绋嬪簭瀛樺劜鍣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
鏁告摎杞夋彌鍣細 A/D 6x10b
鎸暕鍣ㄥ瀷锛� 鍏ч儴
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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730闋�绗�731闋�绗�732闋�绗�733闋�绗�734闋�绗�735闋�绗�736闋�绗�737闋�绗�738闋�绗�739闋�绗�740闋�绗�741闋�绗�742闋�绗�743闋�绗�744闋�绗�745闋�绗�746闋�绗�747闋�绗�748闋�绗�749闋�绗�750闋�绗�751闋�绗�752闋�绗�753闋�绗�754闋�绗�755闋�
346
32133D鈥�11/2011
UC3D
20.6.3.6
Multidrop Mode
If PAR is either 0x6 or 0x7, the USART runs in Multidrop mode. This mode differentiates data
and address characters. Data has the parity bit zero and addresses have a one. By writing a one
to the Send Address bit (CR.SENDA) the user will cause the next character written to THR to be
transmitted as an address. Receiving a character with a one as parity bit will set PARE.
20.6.3.7
Transmitter Timeguard
The timeguard feature enables the USART to interface slow devices by inserting an idle state on
the TXD line in between two characters. This idle state corresponds to a long stop bit, whose
duration is selected by the Timeguard Value field in the Transmitter Timeguard Register
(TTGR.TG). The transmitter will hold the TXD line high for TG bit periods, in addition to the num-
ber of stop bits. As illustrated in Figure 20-10, the behavior of TXRDY and TXEMPTY is modified
when TG has a non-zero value. If a pending character has been written to THR, the TXRDY bit
will not be set until this characters start bit has been sent. TXEMPTY will remain low until the
timeguard transmission has completed.
Figure 20-10. Timeguard Operation
Table 20-5.
Maximum Baud Rate Dependent Timeguard Durations
20.6.3.8
Receiver Time-out
The Time-out Value field in the Receiver Time-out Register (RTOR.TO) enables handling of vari-
able-length frames by detection of selectable idle durations on the RXD line. The value written to
D0
D1
D2
D3
D4
D5
D6
D7
TXD
Start
Bit
Parity
Bit
Stop
Bit
Baud Rate
Clock
Start
Bit
TG = 4
Write
THR
D0
D1
D2
D3
D4
D5
D6
D7
Parity
Bit
Stop
Bit
TXRDY
TXEMPTY
TG = 4
Baud Rate (bit/sec)
Bit time (s)
Timeguard (ms)
1 200
833
212.50
9 600
104
26.56
14400
69.4
17.71
19200
52.1
13.28
28800
34.7
8.85
33400
29.9
7.63
56000
17.9
4.55
57600
17.4
4.43
115200
8.7
2.21
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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-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 鏁告摎绺界窔瀵害:32 bit 鏈€澶ф檪閻橀牷鐜�:90 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:64 KB 鏁告摎 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ㄦ牸:SMD/SMT
ATUC128D4-Z1UR 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 鏁告摎绺界窔瀵害:32 bit 鏈€澶ф檪閻橀牷鐜�:90 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:64 KB 鏁告摎 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ㄦ牸:SMD/SMT
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 鏁告摎绺界窔瀵害:32 bit 鏈€澶ф檪閻橀牷鐜�:90 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:64 KB 鏁告摎 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ㄦ牸:SMD/SMT
ATUC128L3U-AUR 鍔熻兘鎻忚堪:32浣嶅井鎺у埗鍣� - MCU UC3L-128KB Flash 64QFP 85C green T&R RoHS:鍚� 鍒堕€犲晢:Texas Instruments 鏍稿績:C28x 铏曠悊鍣ㄧ郴鍒�:TMS320F28x 鏁告摎绺界窔瀵害:32 bit 鏈€澶ф檪閻橀牷鐜�:90 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:64 KB 鏁告摎 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ㄦ牸:SMD/SMT
ATUC128L3U-AUT 鍔熻兘鎻忚堪:32浣嶅井鎺у埗鍣� - MCU UC3L-128KB Flash 64QFP 85C green TRAY RoHS:鍚� 鍒堕€犲晢:Texas Instruments 鏍稿績:C28x 铏曠悊鍣ㄧ郴鍒�:TMS320F28x 鏁告摎绺界窔瀵害:32 bit 鏈€澶ф檪閻橀牷鐜�:90 MHz 绋嬪簭瀛樺劜鍣ㄥぇ灏�:64 KB 鏁告摎 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ㄦ牸:SMD/SMT