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參數(shù)資料
| 型號(hào)： | ST72T141K2MARE |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO34 |
| 封裝： | 0.300 INCH, LEAD FREE, PLASTIC, SOP-34 |
| 文件頁(yè)數(shù)： | 97/131頁(yè) |
| 文件大?。?/td> | 3096K |
| 代理商： | ST72T141K2MARE |
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ST72141K2-Auto
68/131
MOTOR CONTROLLER (Cont’d)
Table 27. Step Ratio Update
CONTROL REGISTER A (MCRA)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7 = MOE: Output Enable bit.
0: Outputs and Clocks disabled
1: Outputs and Clocks enabled
Bit 6 = RST: Reset MTC registers.
Software can set this bit to reset all MTC registers
without resetting the ST7.
0: No MTC register reset
1: Reset all MTC registers
Bit 5 = SR: Sensor ON/OFF.
0: Sensorless mode
1: Sensor mode
Table 28. Sensor Mode Selection
Bit 4 = DAC: Direct Access to phase state register.
0: No Direct Access (reset value). In this mode all
the registers with a preload register are taken
into account at the C event.
1: Direct Access enabled. In this mode, write a val-
ue in the MPHST register to access the outputs
directly. All other registers with a preload regis-
ter are taken into account at the same time.
Table 29. DAC Bit Meaning
Note 1: When the MTC clock is disabled, the
MTIM counter is not reset but as in this case it is in
write access, a reset can be done by software.
Note 2: In direct access mode, only logical levels
(0 or 1) can be output on the MCOx pins. There is
no PWM signal generation in this mode.
Bit 3 = V0C1: Voltage/Current Mode
0: Voltage Mode
1: Current Mode
Bit 2 = SWA: Switched/Autoswitched Mode
0: Switched Mode
1: Autoswitched Mode
Table 30. Switched and Autoswitched Modes
Bit 1 = CFF: Current Feedback Filter
0: Current Feedback Filter disabled
1: Current Feedback Filter enabled
Bit 0 = DCB: Data Capture bit
0: Use MZPRV (ZN-1) for multiplication
1: Use MZREG (ZN) for multiplication
MOE
bit
SW
A bit
Clock
State
Read
Ratio
Increment
(Slow Down)
Ratio
Decrement
(Speed-Up)
0
x
Disa-
bled
Al-
ways
possi-
ble
Write the ST[3:0] value di-
rectly in the MPRSR register
1
0
Ena-
bled
Set RPI bit in
the MISR reg-
ister till next
commutation
Set RMI bit in
the MISR reg-
ister till next
commutation
1
Ena-
bled
Updated automatically ac-
cording to MZREG value
7
0
MOE
RST
SR
DAC
V0C1
SWA
CFF
DCB
MOE bit
MCO[5:0] Output Pin State
0
Tristate
1
Output enabled
SR
bit
Mode
OS2 bit
enable
Behavior of the output
PWM
0
Sensors not
used
OS2
enabled
“Before D” behavior and
“after D” behavior
1
Sensors
used
OS2
disabled
Only “after D” behavior
MOE
bit
DAC
bit
Effect on Output
Effect on MTIM
Timer
0
x
High Z
Clock disabled
1
0
Standard running
mode
Standard running
mode
1
MPHST register val-
ue (depending on
MPOL register value)
Clock disabled
SWA bit
Commutation Type
MCOMP Register
access
0
Switched mode
Read/Write
1
Autoswitched mode
Read only
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| ST72T212G2B6 | 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST72T212G2M6 | 功能描述:8位微控制器 -MCU OTP EPROM 8K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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| ST72T213G1M6 | 功能描述:8位微控制器 -MCU OTP EPROM 4K SPI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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