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Sensoray Model 626 Instruction Manual

9.5 Reading Edge Capture Status Registers

9.5.1 Reading which channels have Captured Edges

Table 9 Reading Captured Edges

Offset Input Channel Number

(Hex)

Name

Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

48 RDCAPFLGA 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

58 RDCAPFLGB 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

68 RDCAPFLGC 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32

RDCAPFLGA, B & C are used to determine which, if any, channels have captured edges. A ‘1’ shows

an edge has been captured for the corresponding channel.

9.5.2 Reading the Status of the Interrupt Enable Registers

Table 10 Reading the Status of the Interrupt Enable Registers

Offset Input Channel Number

(Hex)

Name

Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

4A RDINTREGA 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

5A RDINTREGB 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

6A RDINTREGC 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32

RDINTREGA, B & C are used to determine which, if any, channels will generate an interrupt on an

edge capture. A ‘1’ shows that the corresponding channel will generate an interrupt on edge capture (if

the channel is enabled).

9.5.3 Reading the Status of the Edge Selection Register

Table 11 Reading the Status of the Edge Selection Registers

Offset Input Channel Number

(Hex)

Name

Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

4C RDEDGREGA 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

5C RDEDGREGB 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

6C RDEDGREGC 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32

RDEDGREGA, B & C are used to determine which channels will capture positive edges and which will

capture negative edges(when they are enabled). A transition from 0 to 1 is considered a positive edge.

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Sensoray 626 Bedienungsanleitung Seite 14