Object 20A4h: Latch Control Register
The latch control register is used to enable the latch monitoring of the capture engines 0 and 1. The latch is enabled with a 1 signal and disabled with a 0 signal. Whether or not a latch event has occurred can be recognised by the latch status register (object 20A5).
|
Index |
|
|
Name |
Latch Control Register |
|
Object code |
VAR |
|
Data type |
UNSIGNED16 |
|
Category |
optional |
|
Access |
rww |
|
PDO mapping |
possible |
|
Value range |
0 to 15 |
|
Default value |
0 |
| Bit | Value (bin) | Value (hex) | Description |
|---|---|---|---|
|
0 |
00000000 00000001 |
xx01 |
Enable extern latch 1 (positive rise) |
|
1 |
00000000 00000010 |
xx02 |
Enable extern latch 1 (negative rise) |
|
2 |
00000000 00000100 |
xx04 |
Enable extern latch 2 (positive rise) |
|
3 |
00000000 00001000 |
xx08 |
Enable extern latch 2 (negative rise) |
|
4 to 7 |
|
|
Reserve |
|
8 |
00000001 00000000 |
01xx |
Read external latch 1 (positive rise) |
|
9 |
00000010 00000000 |
02xx |
Read external latch 1 (negative rise) |
|
10 |
00000011 00000000 |
03xx |
Read external latch 2 (positive rise) |
|
11 |
00000100 00000000 |
04xx |
Read external latch 2 (negative rise) |
|
12 to 15 |
|
Reserve |
