
MC97F6108A User’s manual
11. PPG (Programmable Pulse Generator)
117
11.10
Register description
PPGCR (PPG Control Register): E2H
7
6
5
4
3
2
1
0
PPGEN
-
CAPE
PPGCK2
PPGCK1
PPGCK0
PPGCN
PPGST
R/W
-
R/W
R/W
R/W
R/W
R/W
R/W
Initial value: 00H
PPGEN
Enable PPG
0
PPG disable
1
PPG enable
CAPE
capture mode enable
0
Disable capture mode
1
Enable capture mode
PPGCK[2:0]
Select clock source of PPG. Fx is the frequency of main system
PPGCK2
PPGCK1
PPGCK0
Description
0
0
0
f
X
0
0
1
f
X
/4
0
1
0
f
X
/8
0
1
1
f
X
/16
1
0
0
f
X
/64
1
0
1
f
X
/256
1
1
0
f
X
/1024
1
1
1
f
X
/2048
PPGCN
Control PPG Count pause/continue.
0
Temporary count stop
1
Continue count
PPGST
Control PPG start/stop
0
Counter stop
1
Clear counter and start
NOTE:
Set PPGST bit after writing other PPG registers.