MOGlabs ARF021 Manual page 57

7.4 Configuration
EXTIO,CONTROL
EXTIO,WRITE
EXTIO,READ
EXTIO,COUNTER
either READ or WRITE
pin
TOGGLE . If is disabled, it is enabled first.
In R 5+ hardware, the sub-banks can be controlled using a second
mode command. The first
bank, and the second applies to lines 5–8.
EXTIO,CONTROL,ch,pin,[mode]
Sets the control of the specified
or
MAN[UAL] AUTO[MATIC]
them in table mode. If
mode, the (sub)bank is changed to write mode first.
EXTIO,WRITE,ch,pin,value
Write the specified
is an 8-bit number, whose bits correspond to the values to set on
the pins of that bank. Otherwise
0. If the pin is not set to
control first.
EXTIO,READ,ch,pin
Reads the specified
then the returned value is an 8-bit hexadecimal number where each
bit corresponds to the state of the corresponding line.
EXTIO,COUNTER,ch,pin,cmd
The FPGA provides independent digital counters which can be ac-
tivated on any pin configured as an input. The counters can be
individually started, stopped or queried (see §7.7).
pin
. If is OFF , then
mode
argument applies to lines 1–4 of the
pin
. The parameter
. Pins must be set to
pin
is HSB and the (sub)bank is not in write
value
to the output
value
MANUAL control, it is changed to manual
pin
and returns its current state. If
mode
is either
mode
mode to access
AUTO
pin pin
. If is HSB , then
can be one of ,
ON
pin
47
LATCH or
is either
value
, 1 or
OFF
is HSB ,