Datasheet

TMC4361A Datasheet | Document Revision 1.22 • 2017-JAN-12
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Read entire documentation; especially the “Supplemental Directives” on page 224.
 MAIN MANUAL 
Ramp Generator Registers
R/W
Addr
Bit
Val
Description
RW
0x2D
23:0
BOW1 (Default: 0x000000)
U
Bow value 1 (first bow B
1
of the acceleration ramp).
Value representation:
Frequency mode: [pulses per sec
3
]
24 digits and 0 decimal places: 1 pps
3
≤ BOW1 ≤ 16 Mpps
3
Direct mode: [∆a per clk cycle]
bow[av per clk_cycle]= BOW1 / 2
53
BOW1 [pps
3
] = BOW1 / 2
53
• f
CLK
3
Consider maximum values, represented in section 6.7.5, page 50
0x2E
23:0
BOW2 (Default: 0x000000)
U
Bow value 2 (second bow B2 of the acceleration ramp).
Value representation:
Frequency mode: [pulses per sec
3
]
24 digits and 0 decimal places: 1 pps
3
≤ BOW2 ≤ 16 Mpps
3
Direct mode: [∆a per clk cycle]
bow[av per clk_cycle]= BOW2 / 2
53
BOW2 [pps
3
] = BOW2 / 2
53
• f
CLK
3
Consider maximum values, represented in section 6.7.5, page 50
0x2F
23:0
BOW3 (Default: 0x000000)
U
Bow value 3 (first bow B3 of the deceleration ramp).
Value representation:
Frequency mode: [pulses per sec
3
]
24 digits and 0 decimal places: 1 pps
3
≤ BOW3 ≤ 16 Mpps
3
Direct mode: [∆a per clk cycle]
bow[av per clk_cycle]= BOW3 / 2
53
BOW3 [pps
3
] = BOW3 / 2
53
• f
CLK
3
Consider maximum values, represented in section 6.7.5, page 50
0x30
23:0
BOW 4 (Default: 0x000000)
U
Bow value 4 (second bow B4 of the deceleration ramp).
Value representation:
Frequency mode: [pulses per sec
3
]
24 digits and 0 decimal places: 1 pps
3
≤ BOW4 ≤ 16 Mpps
3
Direct mode: [∆a per clk cycle]
bow[av per clk_cycle]= BOW4 / 2
53
BOW4 [pps
3
] = BOW4 / 2
53
• f
CLK
3
Consider maximum values, represented in section 6.7.5, page 50
Table 82: Ramp Generator Registers