Datasheet

TMC8462 Datasheet • Document Revision V1.5 • 2019-June-21
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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)
0x1-0xC: Flash 1x - 12x (4-SafeOp 1x)
0xD: Blinking (2-PreOp)
0xE: Flickering (3-Bootrap)
0xF: On
r/w r/w
4 Enable Override:
0: Override disabled
1: Override enabled
r/w r/w
7:5 Reserved, write 0 r/w r/w
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
0x1-0xC: Flash 1x - 12x
0xD: Blinking
0xE: Flickering
0xF: On
r/w r/w
4 Enable Override:
0: Override disabled
1: Override enabled
r/w r/w
7:5 Reserved, write 0 r/w r/w
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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