AMIS30623C623BRG Datasheet, PDF (55/61 Pages) ON Semiconductor – Micro-stepping Motor Driver

AMIS−30623
2. Four (4) Data bytes frame with general purpose identifier (type #1).
Note: The dynamic ID allocation has to be assigned to ‘General Purpose 4 Data bytes’ ROM pointer, i.e. ‘0001’.
Table 63. SetPosition WRITING FRAME TYPE #1
Structure
Byte
Content
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Identifier
*
*
1
0
ID3
ID2
ID1
ID0
1
Data 1
1
CMD[6:0] = 0x0B
2
Data 2
Broad
AD[6:0]
3
Data 3
Pos[15:8]
4
Data 4
Pos[7:0]
5
Checksum
Checksum over data
Where:
(*) According to parity computation
Broad: If broad = ‘0’ all the stepper motors connected to the LIN will must go to Pos[15:0].
3. Two (2) motors positioning frame with 0x3C identifier (type #4)
Table 64. SetPosition WRITING FRAME TYPE #4
Structure
Byte
Content
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
0
Identifier
0
0
1
1
1
1
1
Data 1
AppCMD = 0x80
2
Data 2
1
CMD[6:0] = 0x0B
3
Data 3
1
AD1[6:0]
4
Data 4
Pos1[15:8]
5
Data 5
Pos1[7:0]
6
Data 6
1
AD2[6:0]
7
Data 7
Pos2[15:8]
8
Data 8
Pos2[7:0]
9
Checksum
Checksum over data
Where:
Adn[6:0] : Motor #n physical address (n ∈ [1,2]).
Posn[15:0] : Signed 16−bit position set−point for motor #n.
Bit 1
0
Bit 0
0
http://onsemi.com
55