Datasheet

PDF: 09005aef8202ec2e/Source: 09005aef8202ebf7 Micron Technology, Inc., reserves the right to change products or specifications without notice.
MT9D111__5_REV5.fm - Rev. B 2/06 EN
97 ©2004 Micron Technology, Inc. All rights reserved.
MT9D111 - 1/3.2-Inch 2-Megapixel SOC Digital Image Sensor
JPEG Indirect Registers
Micron Confidential and Proprietary
JPEG
Table 18: Driver Variables−JPEG Driver (ID = 9)
Offs Name Type Def RW Description
0 vmt void*
58451 RW Reserved.
2 width uint 1600
R Image width (see mode.output_width).
4 height uint 1200
R Image height (see mode.output_height).
6formatuchar
0 RW Image format:
0
—YCbCr 4:2:2
1
—YCbCr 4:2:0
2—Monochrome
7configuchar
52
RW Configuration and handshaking:
Bit 0
—if 1, video; if 0, still snapshot
Bit 1—enable handshaking with host at every error frame
Bit 2—enable retry after an unsuccessful encode or transfer
Bit 3
—host indicates it is ready for next frame
Bit 4—enable scaled quantization table generation
Bit 5—enable auto-select quantization table
Bit 7:6
—quantization table ID
8 restartInt uint
0 RW Restart marker interval:
0 = restart marker is disabled
10 qscale1 uchar
6RWBit 6:0
—scaling factor for first set of quantization tables
Bit 7—1, new scaling factor value
11 qscale2 uchar
9RWBit 6:0
—scaling factor for second set of quantization tables
Bit 7
—if 1, new scaling factor value
12 qscale3 uchar
12 RW Bit 6:0
—scaling factor for third set of quantization tables
Bit 7—if 1, new scaling factor value
13 timeoutFrames uchar
10 RW Number of frames to time out when host is not responding
(setting bit 3 of config) to an unsuccessful JPEG frame while bit
1 of config is set.
14 state uchar 0
R JPEG driver state.
15 dataLengthMSB uchar
R Bit [23:16] of previous frame JPEG data length.
16 dataLengthLSBs uint
R Bit [15:0] of previous frame JPEG data length.