User`s guide
22
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Registers Format
1
1
1
IRQ7
3.6. Interrupt Status Register
The Interrupt Status Register is used to clear the interrupt status for
next new interrupt can be generated. If the ACL-8111 is in interrupt
data transfer mode, a hardware status flag will be set after each A/D
conversion. You have to clear the status flag by just writing any data to
this register, let the ACL-8111 can generate next interrupt if a new A/D
conversion is happen.
Address : BASE + 8
Attribute: write only
Data Format:
Bit 7 6 5 4 3 2 1 0
BASE+8 X X X X X X X X
3.7 Software Trigger Register
If you want to generate a trigger pulse to the ACL-8111 for A/D
conversion, you just write any data to this register, and then the A/D
converter will be triggered.
Address : BASE + 12
Attribute: write only
Data Format:
Bit 7 6 5 4 3 2 1 0
BASE+12
X X X X X X X X
3.8 Digital I/O register
There are 16 digital input channels and 16 digital output channels are
provided by the ACL-8111. The address Base + 6 and Base + 7 are
used for digital input channels, and the address Base + 13 and Base
+ 14 are used for digital output channels.
Address : BASE + 6 & BASE + 7
Attribute: read only