TMC424-PI24 Trinamic Microchips, TMC424-PI24 Datasheet - Page 35

• Manufacturer Part Number: TMC424-PI24
• Description: Economic Miniature Three Axis Microstepping Stepper Motor Controller
• Manufacturer: Trinamic Microchips

TMC428 DATASHEET (V. 2.00 / November 12, 2003)
Figure 11-1: Serially transmitted control and status signals between TMC428 and driver chain
DAC_A_0
DAC_A_1
DAC_A_2
DAC_A_3
DAC_A_4
DAC_A_5
PH_A
FD_A
DAC_B_0
DAC_B_1
DAC_B_2
DAC_B_3
DAC_B_4
DAC_B_5
PH_B
FD_B
Zero
One
Direction
Step
UNUSED (these
Table 11-1: Primary signal codes
Copyright © 2000–2003 TRINAMIC Microchips GmbH
used for future
codes may be
MNEMONIC
Micro Stepping Unit
(incl. sequencer)
devices)
3 x
DAC_A_0
DAC_A_1
DAC_B_0
DAC_B_1
Direction
PH_A
PH_B
FD_B
FD_A
Step
Zero
One
Ported RAM
Multiple
PRIMARY SIGNAL CODE
hex
$0A
$0B
$0C
$0D
$0E
$0F
$1A
$1B
$1C
$1D
$1E
$1F
$00
$01
$02
$03
$04
$05
$06
$07
$08
$09
$10
$11
$12
$13
$14
$15
$16
$17
$18
$19
Serial Driver Interface
status signals
TMC428
%00000
%01000
%00001
%00010
%00011
%00100
%00101
%00110
%00111
%01001
%01010
%01011
%01100
%01101
%01110
%01111
%10000
%10001
%10010
%10011
%10100
%10101
%10110
%10111
%11000
%11001
%11010
%11011
%11100
%11101
%11110
%11111
bin
DAC A, bit 0 (LSB)
DAC A, bit 5 (MSB)
DAC B, bit 0 (LSB)
DAC B, bit 5 (MSB)
DAC A, bit 1
DAC A, bit 2
DAC A, bit 3
DAC A, bit 4
phase polarity bit A
fast decay bit A
DAC B, bit 1
DAC B, bit 2
DAC B, bit 3
DAC B, bit 4
phase polarity bit B
fast decay bit B
constant ‘0’
constant ‘1’
0 : up / 1 : down resp. counter clockwise / clockwise
step bit for step/direction control of drivers
DAC_A_5
DAC_A_4
DAC_A_3
DAC_A_2
DAC_B_5
DAC_B_4
DAC_B_3
DAC_B2
control signals
status signals
PH_A
FD_B
PH_B
FD_A
n
MDA
CA3
CA2
CA1
CA0
PHA
MDB
CB3
CB2
CB1
CB0
PHB
‘1’ for TMC428-I, TMC428-A,
TMC428-PI24, TMC428-DI20
e.g. TMC236 / TMC239 / TMC246 / TMC249
Serial-to-Parallel
Stepper Motor Driver (Chain)
Interface(s)
FUNCTION
status signals
MSB
LSB
n
Stepper Motor Driver
MDA
CA3
CA2
CA1
CA0
PHA
MDB
CB3
CB2
CB1
CB0
PHB
Control Logic
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