MAX14890E Datasheet, PDF (25/30 Pages) Maxim Integrated Products – Overvoltage and Undervoltage Fault Detection

MAX14890E
Incremental Encoder Interface for RS-422,
HTL, and TTL with Digital Inputs
Table 15. Detailed Fault Readback Bit Status
BIT
NAME
DESCRIPTION
15
AFLT
0 = No fault asserted.
1 = Single-ended fault on A detected by the RxA receiver.
14
AFLT
0 = No fault asserted.
1 = Single-ended fault on A detected by the RxA receiver.
13
ADFLT
0 = No fault asserted.
1 = Differential fault detected on RxA.
12
BFLT
0 = No fault asserted.
1 = Single-ended fault on B detected by the RxB receiver.
11
BFLT
0 = No fault asserted.
1 = Single-ended fault on B detected by the RxB receiver.
10
BDFLT
0 = No fault asserted.
1 = Differential fault detected on RxB.
9
ZFLT
0 = No fault asserted.
1 = Single-ended fault on Z detected by the RxZ receiver.
8
ZFLT
0 = No fault asserted.
1 = Single-ended fault on Z detected by the RxZ receiver.
7
ZDFLT
0 = No fault asserted.
1 = Differential fault detected on RxZ.
6
YFLT
0 = No fault asserted.
1 = Single-ended fault on Y detected by the RxY receiver.
5
DIYFLT
0 = No fault asserted.
1 = Single-ended fault on DIY detected by the RxY receiver.
4
YDFLT
0 = No fault asserted.
1 = Differential fault detected on RxY.
3
D2LFLT
0 = No fault asserted.
1 = Single-ended low-voltage fault on DI2 detected by the RxD2 receiver.
2
D2HFLT
0 = No fault asserted.
1 = Single-ended high-voltage fault on DI2 detected by the RxD2 receiver. Only in TTL mode.
1
D3LFLT
0 = No fault asserted.
1 = Single-ended low-voltage fault on DI3 detected by the RxD3 receiver.
0
D3HFLT
0 = No fault asserted.
1 = Single-ended high-voltage fault on DI3 detected by the RxD3 receiver. Only in TTL mode.
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