Setting – FUJITSU MB91460 SERIES FR60 User Manual

Page 871

855

Chapter 41 Up/Down Counter

6.Setting

6. Setting

*: For the setting procedure, refer to the section indicated by the number.

Table 6-1 Required Settings to Run Up/Down Counter in Timer Mode

Setting

Setting registers

Setting

procedure

Set the reload value.

Reload/compare register (UDRC)

See 7.16.

(Optional)
Set a value to Up/Down Counter
or
Clear the count value of Up/Down Counter.

Reload/compare register (UDRC)

See 7.5.

Count control register (UDCC)

See 7.8.

Set a bit length.

Count control register (UDCC)

See 7.1.

Set the count mode to timer mode.

See 7.2.

Select a count source.

See 7.3.

Enable reloading at the time of underflow.

See 7.7.

Enable count control (clear/gate) using the ZIN pin.

See

7.9 and 7.10

Activate Up/Down Counter.

Count status register (UDCS)

See 7.11.

Table 6-2 Required Settings to Run Up/Down Counter in Up/Down Count Mode

Setting

Setting registers

Setting

procedure

Set the reload value/compare value.

Reload/compare register (UDRC)

See 7.16.

(Optional)
Set a value to Up/Down Counter
Or
Clear the count value of Up/Down Counter.

Reload/compare register (UDRC)

See 7.5.

Count control register (UDCC)

See 7.8.

Set a bit length.

Count control register (UDCC)

See 7.1.

Set the count mode to up/down count mode.

See 7.2.

Select the edge, to be detected, of a signal (AIN or BIN),
for which counting is performed.

See 7.4.

Enable clearing of Up/Down Counter at the time of the
counting following a compare-match.

See 7.6.

Enable reloading at the time of underflow.

See 7.7.

Enable count control (clear/gate) using the ZIN pin.

See

7.9 and 7.10

Activate Up/Down Counter.

Count status register (UDCS)

See 7.11.