Chapter 10 Analog-to-Digital Converter (ADC12B_LBA_V1)
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
Freescale Semiconductor
415
Figure 10-40. RVL Swapping — Use Case Diagram
RVL Buffer
RVL_0
CSL_0
Initial
Restart
Event
EOL
CSL_1
EOL
CSL_0
Stop Mode request
while conversion
RVL_1
Stop Mode
entry
Wake-up
Event with
AUT_RSTA= 1’b1
RVL_0
CSL_0
t
CSL Buffer
RVL swap
due to EOL
no RVL
swap
RVL values before Stop Mode
entry are overwritten
RVL_EOL
1’b0
1’b1
CSL_EOL
1’b0
1’b1
bits are valid
bits not valid
until first EOL
EOL_IF
1’b1
set by
hardware
cleared by
software
1’b1
before next EOL
should be cleared by software
before Stop Mode entry
return to execute
from top of CSL
followed by
next CSL to store
first result of
ongoing and before EOL
RVL_IMD
1’b0
1’b1
CSL_IMD
1’b0
1’b1
CON_IF[15:1]
0x0001
INT_1
0x0000
0x0000
Flag should be cleared by
software before it is set again
bits are valid
bits not valid
until first INT
EOL:
INT_x:
INT_2
0x0010
”End Of List” command type processed
One of the CON_IF interrupt flags occurs
INT_1
0x0001
1’b0
1’b0
RIDX_IMD[5:0]
0x05
0x00
0x0A
0x08
0x05
0x0B
t
delay
Delay can vary depending on the DMA performance, and ADC configuration (conversion
flow using the Trigger to proceed through the CSL)
t
delay
:
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