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參數(shù)資料
型號(hào)： TMC222-PI20
元件分類： 運(yùn)動(dòng)控制電子
英文描述： STEPPER MOTOR CONTROLLER, PDSO20
封裝： SOIC-20
文件頁(yè)數(shù)： 20/48頁(yè)
文件大小： 457K
代理商： TMC222-PI20
TMC222 DATASHEET (V. 1.12 / March 7, 2011)
27
Copyright 2004-2011 TRINAMIC Motion Control GmbH & Co. KG
S
P
A
R/W
Slave addr
DATA
'0' (Write)
A
DATA
A
(n Bytes + acknowledge)
master to slave
slave to master
S: Start Condition
P: Stop Condition
A: Acknowledge (SDA low)
A: not Acknowledge (SDA high)
Figure 19: Two Wire Serial Interface - Writing Data to Slave
6.5
Read data from TMC222
When reading data from a slave two datagrams are needed. The first datagram consists of two bytes
of data. The first byte consists of the slave address and the write bit. The second byte consists of the
address of an internal register of the TMC222. The internal register address is stored in the circuits
RAM. The second datagram consists of the slave address and the read bit. Then the master can read
the data bits on the SDA line with every rising edge of the SCL line. After each byte of data the master
has to acknowledge correct data reception by pulling SDA low. The last byte must not be
acknowledged by the master so that the slave knows the end of transmission (see figure below).
S
P
A
R/W
Slave addr
internal addr
'0' (Write)
master to slave
slave to master
S: Start Condition
P: Stop Condition
A: Acknowledge (SDA low)
A: not Acknowledge (SDA high)
Dump Internal Address to Slave
Read Data from Slave
S
P
A
R/W
Slave addr
DATA
'1' (Read)
A
DATA
A
(n Bytes + acknowledge)
Figure 20: Two Wire Serial Interface - Read Data from Slave
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMC222-SI 制造商:Trinamic 功能描述:MOTOR CNTRL I2C INTERFACE SOIC20 制造商:Trinamic 功能描述:MOTOR CNTRL, I2C INTERFACE, SOIC20 制造商:Trinamic 功能描述:IC MOTOR CTRL/DRVR, STEPPER, SOIC-20; Motor Type:Stepper; No. of Outputs:4; Output Current:800mA; Driver Case Style:SOIC; No. of Pins:20; Supply Voltage Min:8V; Supply Voltage Max:29V; Operating Temperature Min:-40C ;RoHS Compliant: Yes
TMC223-EVAL 制造商:Trinamic 功能描述:EVAL MODULE FOR TMC223
TMC223-LI 制造商:Trinamic 功能描述: 制造商:Trinamic 功能描述:IC MOTOR CTRLR/DVR I2C 32QFN
TMC223-SI 制造商:Trinamic 功能描述:Bulk
TMC2242 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
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