Cont
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l
23
Control of IIDC Optional Features
Check if the camera is equipped with optional features by reading bit 3 of BASIC_FUNC_INQ.
Check the supported feature by reading
Opt_Function_Inq.
PIO control
Check the offset address of PIO.
F0F20400h indicates the address of the PIO output port.
F0F20404h indicates the address of the PIO input port.
Strobe control
Check the offset address of Strobe control.
F0F20200h indicates the control address of the strobe
signal.
Address
Data
Bit
F0F00400
(BASIC_FUNC_INQ)
90801A0Fh
0
Vendar unique feature exists.
1
Does not support the error status in video mode.
2
Does not support the feature control error.
3
The optional feature exists.
8
1394b mode is available.
16
The power control is not available.
19
OneShot is available.
20
MultiShot is available.
22
ImageBuffer is available.
28-31
15 memory channels
Address
Data
Bit
F0F0040Ch
Opt_Function
_Inq
50000000h
0
1
Does not support PIO.
2
Does not support SIO.
3
Supports Strobe
output.
Address
Data
Control register address
F0F00484h
PIO_Control_
CSR_Inq
003C8100h
F0F20400h
Address
Data
F0F20400h
0000000dh
Outputs a signal to the output
port.
bit31: GPO1
bit30: GPO2
F0F20404h
0000000dh
Reads the status of the input
port.
bit31: GPI1
bit30: GPI2
Address
Data
Control register address
F0F0048Ch
Strobe_output
_CSR_Inq
003C8000h
F0F20000h
Address
Data
Output signal
F0F20200h
80000000h
A strobe signal is not output.
82000000h
Outputs the signal indicating
the exposure time.
(ExposureOut)
82dddwwwh
Outputs a signal having a
width “www” after a delay
“ddd” from the start of
exposure. The unit is µs.