TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
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6.4.5.4 RUN LED Override (0x0138)
Bit
Description
ECAT
PDI
Reset Value
3:0
LED code: (FSM State)
0x0: Off (1-Init)
r/w
r/w
0x1-0xC: Flash 1x - 12x (4-SafeOp 1x)
0xD: Blinking (2-PreOp)
0xE: Flickering (3-Bootrap)
0xF: On
4
Enable Override:
0: Override disabled
1: Override enabled
r/w
r/w
r/w
r/w
7:5
Reserved, write 0
Table 32: Register 0x0138 (RUN LED Override)
Note
Changes to AL Status register (0x0130) with valid values will disable RUN LED
Override (0x0138.4=0). The value read in this register always reflects current LED
output.
6.4.5.5 ERR LED Override (0x0139)
Bit
Description
ECAT
PDI
Reset Value
3:0
LED code:
0x0: Off
r/w
r/w
0x1-0xC: Flash 1x - 12x
0xD: Blinking
0xE: Flickering
0xF: On
4
Enable Override:
0: Override disabled
1: Override enabled
r/w
r/w
r/w
r/w
7:5
Reserved, write 0
Table 33: Register 0x0139 (ERR LED Override)
Note
New error conditions will disable ERR LED Override (0x0139.4=0). The value read
in this register always reflects current LED output.
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