Diamond Systems Hercules III User Manual page 54

Operation Status: Base+14 (Read)
Bit: 7
Name: -
TINT Timer interrupt status:
1 = interrupt pending
0 = no interrupt pending
DINT Digital I/O interrupt status:
1 = interrupt pending
0 = no interrupt pending
AINT A/D interrupt status:
1 = interrupt pending
0 = no interrupt pending
FIFO overflow flag. Overflow occurs when the FIFO is full and an A/D conversion occurs. If
OVF
OVF is set, it will stay set until the FIFO is reset with a FIFORST command.
0 = no overflow
1 = overflow
FF FIFO full flag:
0 = FIFO is not full
1 = FIFO is full
TF FIFO threshold flag:
0 = FIFO depth is below the programmed threshold
1 = FIFO depth is at or above the programmed threshold
EF FIFO empty flag:
0 = not empty
1 = empty
Command: Base+15 (Write)
Bit: 7
Name: -
FIFORST Reset the FIFO. After this command, OVF, FF, and TF = 0, and EF = 1.
DARST Reset the D/A. All D/A channels are reset to zero-scale.
CLRT Clear timer interrupt request.
CLRD Clear digital I/O interrupt request.
CLRA Clear A/D interrupt request.
ADSTART Start an A/D conversion. After this command, ADBUSY = 1, until the A/D conversion is
finished.
Each bit in this register represents a command. Writing a 1 to any bit executes the command specified
by that bit. Only one bit may be written at a time.
Hercules III User Manual Rev A.2
6 5
TINT DINT AINT
6 5
- FIFORST DARST
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4 3 2
OVF FF
4 3 2
CLRT CLRD
1 0
TF EF
1 0
CLRA ADSTART
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