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Chapter 4
4.7 FIFO Interrupt Control — BASE+06H (PCM-3718HO
only)
FINT Enables/disables FIFO interrupt
0
FIFO interrupt disabled
1 FIFO
interrupt
enabled
4.8 A/D Status Register - BASE+8
Read-only register BASE+8 provides information on the A/D configura-
tion and operation. Writing to this I/O port with any data value clears its
INT bit. The other data bits do not change.
EOC
End of Conversion.
0
The A/D converter is idle, ready for the next conversion.
Data from the previous conversion is available in the A/
D data registers.
1
The A/D converter is busy, implying that the A/D con-
version is in progress.
MUX
Single-ended/differential channel indicator.
0
8 differential channels
1
16 single-ended channels
Table 4.3: Register for FIFO Interrupt Control
Write
FIFO interrupt control
Bit#
7
6
5
4
3
2
1
0
BASE+06H
X
X
X
X
X
X
X
FINT
BASE+8 - A/D status
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Value
EOC
N/A
MUX
INT
CN3
CN2
CN1
CN0
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