Compatible with I
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� 417/755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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474
32133D鈥�11/2011
UC3D
24. Two-wire Slave Interface (TWIS)
Rev.: 1.2.0.1
24.1 Features
Compatible with IC standard
鈥� Transfer speeds of 100 and 400 kbit/s
鈥� 7 and 10-bit and General Call addressing
Compatible with SMBus standard
鈥� Hardware Packet Error Checking (CRC) generation and verification with ACK response25 ms
clock low timeout delay
鈥� 25 ms slave cumulative clock low extend time
Compatible with PMBus
DMA interface for reducing CPU load
Arbitrary transfer lengths, including 0 data bytes
Optional clock stretching if transmit or receive buffers not ready for data transfer
32-bit Peripheral Bus interface for configuration of the interface
24.2 Overview
The Atmel Two-wire Slave Interface (TWIS) interconnects components on a unique two-wire
bus, made up of one clock line and one data line with speeds of up to 400 kbit/s, based on a
byte-oriented transfer format. It can be used with any Atmel Two-wire Interface bus, IC, or
SMBus-compatible master. The TWIS is always a bus slave and can transfer sequential or sin-
gle bytes.
Below, Table 24-1 lists the compatibility level of the Atmel Two-wire Slave Interface and a full IC
compatible device.
Note:
1. START + b000000001 + Ack + Sr
Below, Table 24-2 lists the compatibility level of the Atmel Two-wire Slave Interface and a full
SMBus compatible device.
Table 24-1.
Atmel TWIS Compatibility with IC Standard
IC Standard
Atmel TWIS
Standard-mode (100 kbit/s)
Supported
Fast-mode (400 kbit/s)
Supported
7 or 10 bits Slave Addressing
Supported
START BYTE(1)
Not Supported
Repeated Start (Sr) Condition
Supported
ACK and NAK Management
Supported
Slope control and input filtering (Fast mode)
Supported
Clock stretching
Supported
Table 24-2.
Atmel TWIS Compatibility with SMBus Standard
SMBus Standard
Atmel TWIS
Bus Timeouts
Supported
Address Resolution Protocol
Supported
Packet Error Checking
Supported
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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