STMICROELECTRONICS STV0984TR

STV0984
2 Megapixel SMIA profile 2 mobile imaging processor
Data Brief
Features
■
SMIA
Supports 2 SMIA profile 2(a) compliant sensors
camera
mutually exclusive up to 2 Megapixel
(1600x1200) resolution
■
■
module 1
EXTCLK
XSHUTDOWN
Enhanced video processor
– Noise/defect filtering, color reconstruction,
sharpness enhancement and radial
corrections
– Statistic processor for exposure and white
balance and autofocus control
– GPIOs and ADC to control external
actuators
SMIA
SMIA output formats: JPEG, YUV4:2:2,
YUV420, RGB888, RGB565, RGB444
■
4:2:0 JPEG compression with programmable
quantization matrix and target file size
■
JPEG operations up to 30 fps
■
Interleaved video modes (concurrent still/video
+ ViewFinder)
– ‘Alternate CCP frame’ mode up to 15 fps
– ‘Single CCP frame’ mode up to 30 fps
■
CCP transmitter derating capabilities
(by 2,3,4,5 and 6) of sensor high speed clock
■
Interfaces
– Sensor interface: 2x CCP2.0(b) serial
receivers (csi class 2 receivers)
module 2
ITU / PI
CCP1.0
CCP 2.0
CCI
– Host interface: CCP1.0(a) serial transmitter
(csi class 0 transmitter), ITU, PI
– Control interface: I²C
■
Flash gun control (high power LED mode and
white LED mode)
Applications
■
Mobile phone
■
PDA
■
Wireless security camera
Description
The STV0984 is a new generation, ultra low
power Megapixel digital image processor
designed to fit into mobile applications. STV0984
comes with support for 2 SMIA sensor heads and
programmable intelligent General Purpose IOs
engine to control, through dedicated firmware,
external actuators such as flashgun, white led and
autofocus solution. STV0984 provides internal
buffering capability along with a versatile clock
manager to accommodate different data rates
between input sensors and host interface.
a. SMIA 1.0 functional specification version 1.0.
SMIA horizontal/vertical scaling not supported.
http://www.smia-forum.org/
December 2007
SSCL Baseband
or
Application
Processor
SSDA
camera
2 video pipes for full frame rate concurrent
viewfinder and video/still capture. Single shot
(e.g. flashgun) thumbnail generation
– Gamma correction programmable for both
CRT and LCD displays. Color correction
matrix
– Digital zoom: smooth downscale capability
(independent X/Y characteristics) and upscale capability to 4x
■
EXTCLK
XSHUTDOWN STV0984
2.0 Megapixel
CCP 2.0
SMIA
Processor
CCI
b. SMIA 1.0 CCP2 Specification version 1.0
Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
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Application diagram
1
STV0984
Application diagram
Figure 1.
Application diagram
TMS[1:0] TCK TDO TDI
STV0984
PDN
POR
RST_DIR
SYS_CLK
Clock &
Power
Mgmt
JTAG & Test Interface
RAM, ROM,
µprocessor
I2C
slave
SSCL
SSDA
ADC_IN
ADC
ITU
CCP
1.0
GPIO
Video Processor
SDA
I2 C
Master
PI
RAM
128KB
VC
DATAP
DATAN
SCL
CCP
Receiver
(x2)
GPIO
CLKP
CLKN
Sensor Interface
Internal bus
see
Table 1
VCLK
HCLKP
HCLKN
HDATAP
HDATAN
LDO
PIEZO GPIO VDD_1V8, 1V2_OUT
LDO_STBY
LDO_EN
Table 1.
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Interface signals
ITU signal
PI
GPIO[13]
WR_N
GPIO[14]
RS_N
GPIO[15]
DREQ
ITU[7:0]
PI[7:0]
HSTYNC
RD_N
VSYNC
CS_N
STV0984
2
Technical specifications
Technical specifications
Table 2.
Technical specifications
Parameter
Description
Technology
0.13 µm HCMOS 9
Sensor
SMIA compliant CMOS sensors up to 2 Megapixels
Frame rate
Up to 25 fps
@ 2MP JPEG + QQVGA RGB888
@ VGA YUV422
@ QCIF YUV422+QVGA RGB888
Still digital zoom
x4 2MP (x4 upscale)
Video/Viewfinder digital zoom
if single video mode:
x10 VGA; x20 QVGA;
(x4 upscale)
If interleaved video mode:
x8 QVGA RGB565+QCIF YUV422
Power supply
2.8V, 1.8V (I/O ring), 1.2V core logic, +/- 0.1V
(Optional 1.2V internal regulator from 1.8V)
Power requirements
2MP JPEG + QQVGA
@ 15fps:
120 mA @1.2V ;
15 mA @ 1.8V
(+5 mA if internal regulator ON)
Standby < 50µW
Package
Rohs compliant (Leadfree) TFBGA 84 balls 6 x 6 x 1.2 mm3
Table 3.
Temperature ranges
Temperature
Range (°C)
Storage
-40 to +150
Operating
-25 to +70
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Ordering information
3
STV0984
Ordering information
Table 4.
Order codes
Order code
Description
STV0984/TR
4
Revision history
Table 5.
4/5
Rohs compliant (Leadfree) TFBGA 84 balls, tape and reel packing
Document revision history
Date
Revision
04-Dec-2007
1
Changes
Initial release.
STV0984
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