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): 17/54頁
文件大?。?/td> 911K
代理商: SCM20014
SCM20014
MOTOROLA
17
Preliminary!! Last Update: 12/14/99
Figure 24. SFCM Line Waveform with Internal Timing Control Register = 00
h
4.0 SCM20014 Utility Programming Registers
4.1 Register Reference Map
The I
2
C addressing is broken up into groups of 16 and
assigned to a specific digital block. The designated
block is responsible for driving the internal control bus,
when the assigned range of addresses are present on
the internal address bus. The grouping designation and
assigned range are listed in
Table 1
. Each block con-
tains registers which are loaded and read by the digital
and analog blocks to provide configuration control via
the I
2
C serial interface.
Table 2
contains all the I
2
C address assignments. The
table includes a column indicating whether the register
values are shadowed with respect to the sensor inter-
face. If the register is shadowed, the sensor interface
will only be updated upon frame boundaries, thereby
eliminating intraframe artifacts resulting from register
changes.
c
c
c
c
c
row 12
row 13
Row Time = vcw
+ shr
+ shs
+ 19
= 749 + 16 + 16 + 19 = 800 MCLK’s
Valid Pixel Data
ADC[9:0]
BLANK
HCLK
VCLK
SOF
MCLK
SYNC
T = (16 * sint
d
) + 771 for vcw
d
< 719
T = (16 * sint
d
) + vcw
d
+ 52 for vcw
d
> 718
Ty = 14 + shr
+ shs
d
= 14 + 16 + 16
= 46 MCLK’s
Ty
T
Address Range
Block Name
00
h
- 0F
h
Analog Register Interface
10
h
- 1F
h
Global Gain
20
h
- 2F
h
Offset Calibration
30
h
- 3F
h
Post ADC
40
h
- 60
h
Sensor Interface
61
h
- FF
h
Factory Use
Table 1. I
2
C Address Range Assignments
Hex
Address
Register Function
Defa
ult
Ref.
Table
Shadow
ed
00
h
DPGA Color 1 Gain Register
(Green of Green-Red
Row)
02
h
Table 3, page 20
Yes
01
h
DPGA Color 2 Gain Register
(Red)
02
h
Table 4, page 20
Yes
02
h
DPGA Color 3 Gain Register
(Blue)
02
h
Table 5, page 20
Yes
03
h
DPGA Color 4 Gain Register
(Green of Blue-Green
Row)
02
h
Table 6, page 21
Yes
Table 2. I
2
C Address Assignments
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