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| 型号： | AMIS30623C6238G |
| 厂商： | ON Semiconductor |
| 文件页数： | 24/61页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR DRIVER/CTLR 20-SOIC |
| 标准包装： | 38 |
| 应用： | 步进电机驱动器 |
| 评估套件： | 可供 |
| 输出数： | 1 |
| 电流 - 输出： | 800mA |
| 电源电压： | 6.5 V ~ 29 V |
| 工作温度： | -40°C ~ 165°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 20-SOIC |
| 包装： | 管件 |
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AMIS ? 30623
OTP Register
OTP Memory Structure
The table below shows how the parameters to be stored in the OTP memory are located.
Table 17. O TP MEMOR Y STRUCTURE
Address
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
Bit 7
OSC3
EnableLIN
AbsThr3
Irun3
Vmax3
SecPos10
SecPos7
DelThr3
Bit 6
OSC2
TSD2
AbsThr2
Irun2
Vmax2
SecPos9
SecPos6
DelThr2
Bit 5
OSC1
TSD1
AbsThr1
Irun1
Vmax1
SecPos8
SecPos5
DelThr1
Bit 4
OSC0
TSD0
AbsThr0
Irun0
Vmax0
Shaft
SecPos4
DelThr0
Bit 3
IREF3
BG3
PA3
Ihold3
Vmin3
Acc3
SecPos3
StepMode1
Bit 2
IREF2
BG2
PA2
Ihold2
Vmin2
Acc2
SecPos2
StepMode0
Bit 1
IREF1
BG1
PA1
Ihold1
Vmin1
Acc1
Failsafe
LOCKBT
Bit 0
IREF0
BG0
PA0
Ihold0
Vmin0
Acc0
SleepEn
LOCKBG
Parameters stored at address 0x00 and 0x01 and bit
<LOCKBT> are already programmed in the OTP memory at
circuit delivery. They correspond to the calibration of the
circuit and are just documented here as an indication.
Each OTP bit is at ‘0’ when not zapped. Zapping a bit will
set it to ‘1’. Thus only bits having to be at ‘1’ must be zapped.
Zapping of a bit already at ‘1’ is disabled. Each OTP byte
PA[3:0] In combination with HW[2:0] it forms the
physical address AD[6:0] of the stepper ? motor.
Up to 128 stepper ? motors can theoretically be
connected to the same LIN bus.
AbsThr[3:0] Absolute threshold used for the
motion detection
will be programmed separately (see command
Index
AbsThr
AbsThr level (V) (*)
SetOTPparam ). Once OTP programming is completed, bit
<LOCKBG> can be zapped to disable future zapping,
otherwise any OTP bit at ‘0’ could still be zapped by using
a SetOTPparam command.
Table 18. OTP OVERWRIT E PROTECTION
Lock Bit Protected Bytes
LOCKBT (factory zapped 0x00 to 0x01
before delivery)
0
1
2
3
4
5
6
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
Disable
0.5
1.0
1.5
2.0
2.5
3.0
LOCKBG
0x00 to 0x07
7
0
1
1
1
3.5
The command used to load the application parameters via
the LIN bus in the RAM prior to an OTP Memory
programming is SetMotorParam . This allows for a
functional verification before using a SetOTPparam
command to program and zap separately one OTP memory
byte. A GetOTPparam command issued after each
SetOTPparam command allows verifying the correct byte
zapping.
8
9
A
B
C
D
E
1
1
1
1
1
1
1
0
0
0
0
1
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
4.0
4.5
5.0
5.5
6.0
6.5
7.0
Note: Zapped bits will become active only after a power
cycle. After programming the LIN bits the power cycle has
to be performed first to guarantee further communication
F 1 1 1 1 7.5
(*) Not tested in production. Values are approximations.
with the device.
Application Parameters Stored in OTP Memory
Except for the physical address <PA[3:0]> these
parameters, although programmed in a non ? volatile
memory can still be overridden in RAM by a LIN writing
operation.
http://onsemi.com
24
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