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PDF ( 数据手册 , 数据表 ) LR38630

零件编号 LR38630
描述 Digital Signal Processor for CIF CMOS Image Cameras
制造商 Sharp
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LR38630 数据手册, 描述, 功能
LR38630
DESCRIPTION
The LR38630 is a CMOS digital signal processor
for color camera systems of 110 k-pixel CMOS
image sensor with primary color mosaic filters. The
camera system consists of CIF CMOS image
sensor (LZ34C10) and DSP IC (LR38630) with 2 k-
bit EEPROM. Depending on application, 1 M-bit
SRAM can be added in order to get slower frame
rate at video output.
FEATURES
• Designed for 110 k-pixel color CMOS image
sensors with R, G, and B color mosaic filters
• Compatible with CIF standard
• External control interface input/output
• Variable GAMMA and KNEE response
• 8-bit digital input
• Available for digital video 4 : 2 : 2 (U/Y/V/Y)
output
• Built-in synchronous signal generation circuit to
drive CMOS image sensor
• Built-in 2 k-bit EEPROM controller to set the
camera adjustment data
• Built-in auto exposure control
• Built-in auto white balance control
• Built-in auto carrier balance control
• Built-in white blemish compensator
• Lower power consumption by dual clocking signal
process technology
• Single +3.0 V power supply
• Package :
80-pin LQFP (LQFP080-P-1212) 0.5 mm pin-pitch
LR38630
Digital Signal Processor for
CIF CMOS Image Cameras
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in
catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
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LR38630 pdf, 数据表
LR38630
ADDRESS NAME BITS
FUNCTION
04h 2 Option of output mode.
OUT_SEL (7) 00 : QCIF1
01 : CIF
(6) 10 : QVGA
11 : QCIF2
2 Clock timing for input.
IN_TIM (5) 00 : Delayed by one CK 01 : Delayed by two CK
(4) 10 : Not delayed
4 0000 : CIF image output with CKI clock of CMOS image sensor
(3) 0001 : 1 frame of image output per second with CKI clock
(2) 0010 : 2 frames of image output per second with CKI clock
(1) 0011 : 15 frames of image output per second with CKI clock
(0) 0101 : 1 frame of image output per second with EXCK clock
(1 frame data is written to RAM in vertical blanking.)
ACT_MODE
0110 : 2 frames of image output per second with EXCK clock
(2 frames data are written to RAM in vertical blanking.)
0111 : Image output with EXMCK clock
(EXMCK should be lower than 4.5 MHz.)
1XXX : Except 0000, works with 30 frames after power-on.
(example) 1001 : 1 frame of image output per second with CKI starting
with 30 frames after power-on.
1000 : Prohibited to use
05h 8 Setting a period to work with 30 frames after power-on.
ACT_TIM
A period = (Data + 1) x frame rate
06h REF_IRIS 8 Electronic exposure reference level.
07h 8 The second target area of electronic exposure control.
CTLD_01
In the case that exposure control data is within (data of address 06h ± data of
address 07h), the exposure control is completed.
08h 8 The first target area of electronic exposure control.
CTLD_02
If exposure control data is over (data of address 06h ± data of address 08h), the
exposure control is restarted.
09h REF_BLC 8 Exposure reference level in BLC (valid with BLC of address 03h = 1).
0Ah 8 The second target area of electronic exposure control in BLC.
CTLD_11
In the case that exposure control data is within (data of address 09h ± data of
address 0Ah), the exposure control is completed.
0Bh 8 The first target area of electronic exposure control in BLC.
CTLD_12
If exposure control data is over (data of address 09h ± data of address 0Bh), the
exposure control is restarted.
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LR38630 equivalent, schematic
ADDRESS NAME
F6h WP1DV1
F7h WP1DV2
F8h WP1EH1
F9h WP1EH2
FAh WP1EV1
FBh WP1EV2
FCh WP1FH1
FDh WP1FH2
FEh WP1FV1
FFh WP1FV2
BITS
FUNCTION
8 Lower 8 bits of Y-axis on the position of white blemish 30.
1 MSB of Y-axis on the position of white blemish 30.
8 Lower 8 bits of X-axis on the position of white blemish 31.
1 MSB of X-axis on the position of white blemish 31.
8 Lower 8 bits of Y-axis on the position of white blemish 31.
1 MSB of Y-axis on the position of white blemish 31.
8 Lower 8 bits of X-axis on the position of white blemish 32.
1 MSB of X-axis on the position of white blemish 32.
8 Lower 8 bits of Y-axis on the position of white blemish 32.
1 MSB of Y-axis on the position of white blemish 32.
LR38630
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