參數(shù)資料
型號: SCM20014
廠商: Motorola, Inc.
英文描述: VGA Digital Image Sensor(VGA數(shù)字圖像傳感器)
中文描述: VGA數(shù)碼圖像傳感器(顯卡數(shù)字圖像傳感器)
文件頁數(shù): 31/54頁
文件大小: 911K
代理商: SCM20014
SCM20014
MOTOROLA
31
Preliminary!! Last Update: 12/14/99
5.5 Sensor Interface Block
5.5.1 Sensor Output Control
The sensor output control registers define how the win-
dow of interest is captured and what data is output from
the SCM20014.
The
Capture Mode Control Register; Table 24
, defines
how the data is captured and how the data is to be pro-
vided at the output.
The
sms
bit defines the shutter mode, CFCM or SFCM,
of the device as described in
section 2.1.3
. CFCM is the
default mode.
Setting the
cms
bit will stop the current CFCM output
data stream at the end of the current frame. Unsetting
this bit (
cms
= 0
b
) will resume the output of the frame
stream. The SCM20014 is in CFCM in default. The user
may use this bit to capture data in the CFCM mode
while using the SYNC pin. The SYNC pin triggers a sin-
gle frame of data to be output from the device in the
CFCM mode. Please refer to
Figure 19, on page 14
for
a timing diagram of this mode.
The
frc
bit is used to enable or disable the Frame Rate
Clamp. Unsetting this bit will turn off the frame rate
clamp and the output dark level will begin to drift over
frames. The frame rate clamp is enabled in default
mode.
The
sp
bit is used to define whether SOF is active high
or low. SOF is active high in default.
The
ve
bit is used to determine whether VCLK is output
at the beginning of all the rows including virtual frame
rows or for the WOI rows only. The default is WOI only.
The
vp
bit is used to define whether VCLK is active high
or low. VCLK is active high in default.
The
he
bit is used to determine whether HCLK is output
continously or for the WOI pixels only. The default is
WOI only.
The
hp
bit is used to define whether HCLK is active high
or low. HCLK is active high in default.
2 - 0
Com-
pander
Knee
000
b
= linear
001
b
= 15 on the output axis.
010
b
= 31 on the output axis.
011
b
= 47 on the output axis.
100
b
= 63 on the output axis.
101
b
= 79 on the output axis.
110
b
= 95 on the output axis.
111
b
= 127 on the output axis.
000
b
Address
32
h
Post ADC Control
Default
30
h
msb (7)
6
5
4
3
2
1
lsb (0)
cpe
fuo
wpe
bpe
cps
cpb[2]
cpb[1]
cpb[0]
Table 23. Post ADC Control Register
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