Siemens ERTEC 200P-2 Manual page 112

register. Furthermore, the job can be interrupted or cancelled just as in
the case of the SW control of the job described above.
Job finished:
The job is finished in the same way as in the case of the SW control of
the job described above.
The job control is illustrated in Figure 4.
Job with the highest priority
IF ( reg JOB_EN = '1'
AND reg. DMA_EN = '1' )
Figure 4: Finite state machine diagram of the job control algorithm
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Technical data subject to change
( sig. HW_Global_Reset = '1' AND
reg. SW_RESET = '0' )
AND
( ( reg. SW_JOB_START = '1' AND
reg. HW_JOB_START_EN = '0' ) OR
( sig. HW_JOB_START = '1' AND
reg. HW_JOB_START_EN = '1' ) )
sig. HW_Global_Reset = '0'
OR
reg. SW_RESET = '1'
START
sig. HW_Global_Reset = '0'
OR
reg. SW_RESET = '1'
OR
reg. JOB_RESET = '1'
a Job with higher priority
is started OR
reg JOB_EN = '0' OR
reg DMA_EN = '0' OR
-- for HW controlled Job
(sig HW_DMA_REQ = '0' AND
reg HW_FLOW_EN = '1' )
RUN
Interrupted Job
with the highest priority,
IF ( no Job with higher priority is
started AND DMA_EN = '1' AND
JOB_EN = '1' AND
-- for HW controlled JOB
NOT (sig HW_DMA_REQ = '0' AND
reg HW_FLOW _EN = '1' )
112
IDLE
FINISH
Last DMA Transfer
sig. HW_Global_Reset = '0'
of the DMA Job
OR
is completed
reg. SW_RESET = '1'
OR
reg. JOB_RESET = '1'
INTERRUPT
ERTEC 200P-2 Manual
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