TMC428_06 Datasheet, PDF (15/58 Pages) List of Unclassifed Manufacturers – Intelligent Triple Stepper Motor Controller with Serial Peripheral Interfaces

TMC428 DATASHEET (v. 2.02 / April 26^th, 2006)
15
Important Hint: All register bits are initialized with ‘0’ during power on reset, except the SPI clock pre-
divider clk2_div (see section 9.7, page 29) that is initialized with 15.
32 bit DATAGRAM sent from a µC to the TMC428 via pin SDI_C
33222222222211111111119876543210
1098765432109876543210
ADDRESS
DATA
smda
IDX
0000
0001
0010
0011
0100
00 ⁰¹⁰¹
0110
01 0111
1000
10 ₁₀₀₁
1010
1011
1100
0
1101
1110
JDX
0000
0001
110010
0011
1000
1110
three stepper motor register sets (SMDA={00, 01, 10})
x_target
x_actual
v_min
v_max
v_target
v_actual
a_max
a_actual
is_agtat is_aleat
is_v0
a_threshold
1
lp
pmul
ref_conf
interrupt_mask
pdiv
rm
interrupt_flags
pulse_div ramp_div
usrs
dx_ref_tolerance
x_latched
common registers (SMDA=11)
datagram_low_word
datagram_high_word
cw
cover_position
cover_len
cover_datagram
power-down
l3 r3 l2 r2 l1 r1
polarities
111111
clk2_div
LSMD
ADDRESS
DATA
33222222222211111111119876543210
1098765432109876543210
Table 7-2: TMC428 register address mapping
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