Description of the data path
STINGRAY Technical Manual
V4.4.2
122
From the user's point, the white balance settings are made in register 80Ch
of IIDC V1.31. This register is described in more detail below.
The values in the
U/B_Value
field produce changes from green to blue; the
V/R_Value
field from green to red as illustrated below.
Register
Name
Field
Bit
Description
0xF0F0080C
WHITE_BALANCE Presence_Inq [0]
Presence of this feature:
0: N/A
1: Available
Abs_Control
[1]
Absolute value control
O: Control with value in the
Value
field
1: Control with value in the
Absolute
value CSR
If this bit=1, the value in the
Value
field
will be ignored.
---
[2..4]
Reserved
One_Push
[5]
Write 1: begin to work (self-cleared after
operation)
Read:
1: in operation
0: not in operation
If A_M_Mode = 1, this bit will be ignored.
ON_OFF
[6]
Write: ON or OFF this feature
Read: read a status
0: OFF
1: ON
A_M_MODE
[7]
Write: set mode
Read: read current mode
0: MANUAL
1: AUTO
U/B_Value
[8..19]
U/B value
This field is ignored when writing the
value in Auto or OFF mode.
If readout capability is not available, read-
ing this field has no meaning.
V/R_Value
[20..31] V/R value
This field is ignored when writing the
value in Auto or OFF mode.
If readout capability is not available, read-
ing this field has no meaning.
Table 40: White balance register