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
66 ©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 Indirect Registers
Table 8: JPEG Indirect Registers (See Registers 30 and 31, Page 2)
Reg # Bits Default Name
1
0x01
2:0 0
JPEG Core Register 1
1:0 0
NCol: Number of color components—1.
20
Re: When set, enables restart marker insertion into JPEG byte stream.
3
0x03
15:0 0
JPEG Core Register 3 – NRST
Re-start interval - 1. Valid only when Re in Core Register 1 is set. This register defines the number of
MCUs between Restart Markers.
4
0x04
7:0 0
JPEG Core Register 4
00
HD0: DC Huffman table pointer for color component 0.
10
HA0: AC Huffman table pointer for color component 0.
3:2 0
QT0: Quantization table pointer for color component 0.
7:4 0
NBlock0: Number of 8 x 8 blocks—1 for color component 0 in MCU.
5
0x05
7:0 0
JPEG Core Register 5
00
HD1: DC Huffman table pointer for color component 1.
10
HA1: AC Huffman table pointer for color component 1.
3:2 0
QT1: Quantization table pointer for color component 1.
7:4 0
NBlock1: Number of 8 x 8 blocks—1 for color component 1 in MCU.
6
0x06
7:0 0
JPEG Core Register 6
00
HD2: DC Huffman table pointer for color component 2.
10
HA2: AC Huffman table pointer for color component 2.
3:2 0
QT2: Quantization table pointer for color component 2.
7:4 0
NBlock2: Number of 8 x 8 blocks—1 for color component 2 in MCU.
7
0x07
7:0 0
JPEG Core Register 7
00
HD3: DC Huffman table pointer for color component 3.
10
HA3: AC Huffman table pointer for color component 3.
3:2 0
QT3: Quantization table pointer for color component 3.
7:4 0
NBlock3: Number of 8 x 8 blocks—1 for color component 3 in MCU.
8
0x08
15:0 0
JPEG Core Register8 – NMCU LSB
Low-order word of NMCU (NMCU = number of MCUs contained in the image to be encoded minus 1).
9
0x09
9:0 0
JPEG Core Register9 – NMCU_MSB
High-order word of NMCU (NMCU = number of MCUs contained in the image to be encoded minus 1).
128-511
0x080 - 0x1FF
13:0 0
JPEG Quantization Memory
0 - 63
—Quantization table 0
64 - 127
—Quantization table 1
128 - 191
—Quantization table 2
192 - 255—Quantization table 3
256 - 319
—Quantization table 4
320 - 383
—Quantization table 5
512 - 895
0x200 - 0x37F
11:0 0
JPEG Huffman Memory
0 - 175
—AC Huffman table 0
176 - 351
—AC Huffman table 1
352 - 367
—DC Huffman table 0
368 - 383—DC Huffman table 1
1024 - 1407
0x400 - 0x43F
13:0 0
JPEG DCT Memory
64 x 14 dual-port RAM is accessible to host and microcontroller indirectly for testing purposes.