Users manual
Appendix A
Revision #:
A
Date:
07-14-15
Page
31
of
58
FREQ
–
Setting of GCLK FREQUENCY
△
2
△
7 Format:
1
2
3
4
5
Num
Contents
Range
Default
Remark
1
FREQ
-
-
Command Name
2
mode
0 to 1
0
0 : stop
1 : output
3
freq
4000 to
40000000
10000000
(10MHz)
frequency[Hz]
4
duty
△
2
10 to 90
△
7
50
duty cycle [%]
5
offset
△
2
0 to 99
0
phase delay in cycle [%] from GCLK-PPS edge
Example:
$PERDAPI,FREQ,1,10000000*47
Mode: output
Frequency: 10MHz
Notes:
-
It is omissible after the 4th field.
-
The response which is inserted current value to each field is obtained by receiving an effective
command for setting or inputting a command which is omitted the fields after Command Name, that
is, $PERDAPI,FREQ,QUERY*11.
-
Duty cycle is derived from Thigh / Tcycle in the follow figure.
△
2
-
User can stock current FREQ command setting on Flash by FLASHBACKUP command.
$PERDAPI , FR
Q
, mode , freq [, duty , offset] *hh <CR> <LF>
