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參數(shù)資料
| 型號(hào)： | TMC428 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Intelligent Triple Stepper Motor Controller with Serial Peripheral Interfaces |
| 中文描述： | 三步進(jìn)電機(jī)智能控制器的串行外圍接口 |
| 文件頁(yè)數(shù)： | 25/50頁(yè) |
| 文件大小： | 378K |
| 代理商： | TMC428 |
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TMC428 DATA SHEET (V. 1.00 / February 12, 2001)
25
Copyright 2000, TRINAMIC Microchips GmbH
M I C R O C H I P S
25
0
1
2
3
4
5
6
7
8
9
10
11
12
34
35
36
37
38
6
5
4
3
2
1
0
47
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
length = 7:
cover_len
= 6
cover_datagram
register (bits #6 to #0, others are don't care)
39
40
41
42
43
45
46
datagram bits #39 to #46 covered by cover_datagram bits #6 to #0
position=39:
cover_pos
= 39
cover datagram bits #6 to #0 cover the 7 datagram bits #39 to #46
48 datagram bits send to the stepper motor driver chain
Figure 10: Cover Datagram Example
Unused Addresses (JDX={%0011, %0100, %0101, %0110, %0111})
There are unused addresses before the
power_down
address within the address space of the global
parameter registers.
power_down (JDX=%1000)
A write to the register address named
power_down
sets the TMC428 into the power down mode until it
detects a falling edge at the pin
nSCS_C
.
Unused Addresses (JDX={%1001, %1010, %1011, %1100, %1101})
There are also unused addresses after the power_down address within the address space of the global
parameter registers.
Reference Switches l3 & r3 & l2 & r2 & l2 & r1 (JDX=%1110)
The current state of all reference switches– demultiplexed internally by the TMC428 if left and right
reference switches are used –can be read from this read-only register. The bit named
continuous_update
of the
Stepper Motor Global Parameter Register (JDX=%1111)
is important for
reading out of reference switches as explained below.
Stepper Motor Global Parameter Register (JDX=%1111)
Last but not least, this register holds different configuration bits for the stepper motor drivers chain. The
absolute address (RRS & ADDRESS) of the stepper motor global parameter register is %0111111 0 ($7E).
The stepper motor global parameter register holds different configuration bits together (see Table 11). For
the datagram configuration the number of stepper motor drivers is important. It is represented by the
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