
SM-Applications Modules & Motion Processors User Guide
45
Issue Number: 4
S
Info
rm
In
Inst
al
Get
ting
Pa
ra
DP
L
P
C
Fre
eze
CT
Syn
Inter-o
S
Di
M
Q
In
b4
CS
Clock source:
0=internal clock
1=external clock provided on DIGIN1.
b5-b6
C
Internal clock pre-scale select (ignored if external clock selected):
0=rate /1 (28.7MHz)
1=rate /4
2=rate /16
3=rate /64
b7-b8
M
Timer mode:
0=Free Running mode
The selected clock drives the counter. The TI flag is set on wrap-
around.
1=Capture mode 1
The selected clock drives the counter. A rising edge transition on
DIGIN0 causes the current counter value to be latched into the TIMER
CAPTURE CACHE parameter and the TI flag is set. The counter then
continues incrementing (TI is not set on wrap-around).
2=Capture mode 2
The selected clock drives the counter. A falling edge transition on
DIGIN0 causes the current counter value to be latched into the TIMER
CAPTURE CACHE parameter and the TI flag is set. The counter then
continues incrementing (TI is not set on wrap-around).
Apps
Apps Lite Apps Plus
Lite V2
ST Plus
ST Indexer
Pr 85.02
Timer Unit Status Word
Access
RO
Range
0 to 3
Default
N/A
Update Rate
Immediate
Table 5-4 Status Word - Pr 85.02
Bit
Symbol
Function
b0
TI
Timer event flag:
0=No event has occurred
1=An event has occurred (see description for Pr
85.01
)
Note:
The TI bit is automatically cleared by the operating system if TE flag
in
Pr 85.01
has a non-zero value. Otherwise it is cleared when the status
word is read.
b1
OV
Wrap-around flag
0=Wrap-around has not occurred
1=Counter wrap-around has occurred
Note:
This flag is valid for ALL timer modes and is automatically cleared
when the status register is read.
Apps
Apps Lite Apps Plus
Lite V2
ST Plus
ST Indexer
Table 5-3 Control Word - Pr 85.01
Bit
Symbol
Function
Содержание Digitax ST Indexer
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