參數(shù)資料
型號(hào)： TMC2491AR2C
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL ENCODER, PQCC44
封裝： PLASTIC, LCC-44
文件頁(yè)數(shù)： 17/36頁(yè)
文件大?。?/td> 208K
代理商： TMC2491AR2C
TMC2490A/TMC2491A
PRODUCT SPECIFICATION
24
Table 15. Serial Port Addresses
Data Transfer via Serial Interface
For each byte of data read or written, the MSB is the rst bit
of the sequence.
If the TMC2490(1)A does not acknowledge the master
device during a write sequence, the SDA/R/W remains
HIGH so the master can generate a stop signal. If the master
device does not acknowledge the TMC2490(1)A during a
read sequence, the TMC2490(1)A interprets this as “end of
data.” The SDA/R/W remains HIGH so the master can gen-
erate a stop signal.
Writing data to specic control registers of the
TMC2490(1)A requires that the 8-bit address of the control
register of interest be written after the slave address has been
established. This control register address is the base address
for subsequent write operations. The base address auto-
increments by one for each byte of data written after the data
A6
A5
A4
A3
A2
A1
(SA1)
A0
(SA0)
0
1
0
1
0
1
0
1
0
1
byte intended for the base address. If more bytes are trans-
ferred than there are available addresses, the address will not
increment and will remain at its maximum value of 22h. Any
base address higher than 22h will not produce an ACKnowl-
edge signal.
Data is read from the control registers of the TMC2490(1)A
in a similar manner. Reading requires two data transfer oper-
ations:
The base address must be written with the R/W bit of the
slave address byte LOW to set up a sequential read
operation.
Reading (the R/W bit of the slave address byte HIGH)
begins at the previously established base address. The
address of the read register auto-increments after each
byte is transferred.
To terminate a read/write sequence to the TMC2490(1)A, a
stop signal must be sent. A stop signal comprises of a LOW-
to-HIGH transition of SDA/R/W while SCL/CS is HIGH.
A repeated start signal occurs when the master device driv-
ing the serial interface generates a start signal without rst
generating a stop signal to terminate the current communica-
tion. This is used to change the mode of communication
(read, write) between the slave and master without releasing
the serial interface lines.
Figure 15. Serial Port Read/Write Timing
tBUFF
tDAL
tDAH
tSTAH
tDHO
SDA / R/
W
SCL/
CS
tDSU
24469A
tSTOSU
tSTASU
相關(guān)PDF資料
PDF描述
TMC2491R2C COLOR SIGNAL ENCODER, PQCC44
TMC2493R2C COLOR SIGNAL ENCODER, PQCC44
TMC2590R2C COLOR SIGNAL ENCODER, PQCC44
TMC2601R2C SPECIALTY CONSUMER CIRCUIT, PQCC44
TMC3003KR2C30 TRIPLE, PARALLEL, WORD INPUT LOADING, 0.015 us SETTLING TIME, 10-BIT DAC, PQFP48
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMC249A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High Current Microstep Stepper Motor Driver with sensorless stall detection, protection / diagnostics and SPI Interface
TMC249-A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High Current Microstep Stepper Motor Driver with Sensorless Stall D e t e c t i o n ,P rotection / Diagnosis and SPI Interface
TMC249A-LA 制造商:Trinamic 功能描述:IC BRIDGE DRIVER SPI/ANLG 32QFN
TMC249A-SA 制造商:Trinamic 功能描述:STEPPER MOTOR DRIVER SMD SO-28 制造商:Trinamic 功能描述:STEPPER MOTOR DRIVER, SMD, SO-28 制造商:Trinamic 功能描述:IC MOTOR DRIVER, FULL BRIDGE, 1mA SOIC-28; Motor Type:Full Bridge; No. of Outputs:8; Output Current:1mA; Output Voltage:34V; Driver Case Style:SOIC; No. of Pins:28; Supply Voltage Min:3V; Supply Voltage Max:5.5V; MSL:MSL 2 - 1 year ;RoHS Compliant: Yes
TMC249-EVAL 制造商:Trinamic 功能描述:EVALUATION BOARD FOR TMC249
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*