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參數資料
| 型號： | TLE7209R |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, PDSO20 |
| 封裝： | PLASTIC, SOP-20 |
| 文件頁數： | 3/31頁 |
| 文件大小： | 484K |
| 代理商： | TLE7209R |
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TLE 7209R
Circuit Description
Final Datasheet
11
V2.5, 2004-may-25
or abnormal operation of the SPI. It contains an initial bit pattern and a flag indicating
an invalid instruction of the previous access.
6. Because only read access is used in the TLE 7209R, the SDI data-bits (2nd byte) are
not used
7. Invalid instruction/access:
An instruction is invalid, if an unused instruction code is detected (see tables with SPI
instructions). In case an unused instruction code occurred, the data byte “ffhex” (no
error) will be transmitted after having sent the verification byte. This transmission
takes place within the same SPI-frame that contained the unused instruction byte. In
addition any transmission is invalid if the number of SPI clock pulses (falling edge)
counted during active CSN differs from exactly 16 clock pulses. If an invalid instruction
is detected, bit TRANS_F in the following verification byte (next SPI transmission) is
set to HIGH. The TRANS_F bit must not be cleared before it has been sent to the
microcontroller.
Figure 7
bus-arbitration by chip-address
Z
0
7
65
4
3
21
0
7
6
5
43
2
1
7
1
2
3
4
5
6
7
0
1
2
3
4
5
6
0
SDI
SCK
CSN
1
2
3
4
5
6
7
0
1
2
3
4
5
SDO
0
Address sent by
master is "00"
SDO remains tri-stated
after CSN active
Correct address is recognized,
data transmitted to SDO
Z
0
7
65
4
3
21
0
7
6
5
43
2
1
7
1
2
3
4
5
6
7
0
1
2
3
4
5
6
0
SDI
SCK
CSN
SDO
Address sent by master
is different from "00"
SDO remains tri-stated
after CSN active
Correct address is not recognized, SDO
remains tri-stated and SDI data are ignored
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