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ASDA-A3

13

Example 1: the following is the timing diagram for the Touch Probe 1 function. In this example,

the Touch Probe 1 function is triggered by the external DI. When OD 60B8h [Bit 1]

is set to 0 and OD 60B8h [Bit 4] & [Bit 5] are set to 1, the Touch Probe 1 signal is

both rising-edge and falling-edge triggered, and the data is captured once for each

triggering.

1

Bit 0

Touch Probe 1 switch

OD 60B8h

Touch probe

function

Bit 1

Touch Probe 1 number

of capturing times

Bit 4

Rising-edge trigger action

of Touch Probe 1

Bit 5

Falling-edge trigger action

of Touch Probe 1

OD 60B9h

Touch probe

status

Bit 0

Touch Probe 1

function status

Bit 1

Touch Probe 1

rising-edge capture

Bit 2

Touch Probe 1

falling-edge capture

Touch Probe 1 signal

(DI1)

0x60BAh

Touch probe pos1

pos value

0x60BBh

Touch probe pos1

neg value

1

2

3

Position 0

4

4a

Position 0

t

13

t

t

7

9

t

14

t

8

12

14

6

5

t

14

t

11

8a

Position 1

6a

t

10

12a

Position 3

t

14a

Position 2

t

Status

(1)

(2)

(3)

(4)

(4a)

(5)

(6)

(6a)

(7)

(8)

(8a)

(9)

Function

OD 60B8h [Bit 0] = 1

OD 60B8h [Bit 1] = 0

OD 60B8h [Bit 4] = 1

OD 60B8h [Bit 5] = 1

OD 60B9h [Bit 0] = 1

-

OD 60B9h [Bit 1] = 1

OD 60BAh

-

OD 60B9h [Bit 2] = 1

OD 60BBh

OD 60B8h [Bit 4] = 0

OD 60B9h [Bit 1] = 0

OD 60BAh

OD 60B8h [Bit 4] = 1

Description

Enable Touch Probe 1.

Capture one time.

Start capturing when the Touch Probe 1 signal is

rising-edge triggered.

Start capturing when the Touch Probe 1 signal is

falling-edge triggered.

Touch Probe status: Touch Probe 1 function enabled.

Touch Probe 1 is rising-edge triggered by external signal.

Touch Probe status: Touch Probe 1 is rising-edge

triggered and the data is successfully captured.

Store the captured data in OD 60BAh when the Touch

Probe 1 signal is rising-edge triggered.

Touch Probe 1 is falling-edge triggered by external

signal.

Touch Probe status: Touch Probe 1 signal is

falling-edge triggered and the data is successfully

captured.

Store the captured data in OD 60BBh when the Touch

Probe 1 signal is falling-edge triggered.

Disable the rising-edge trigger action of Touch Probe 1.

Touch Probe status: reset the rising-edge capture

status to non-triggered.

Data at the rising-edge remains the same.

Start capturing when the Touch Probe 1 signal is

rising-edge triggered.

13-42

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