參數資料
型號: SAA8115HL
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Digital Camera USB Interface(數字照相USB接口)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP144
封裝: 20 X 20 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-486-1, LQFP-144
文件頁數: 32/56頁
文件大?。?/td> 177K
代理商: SAA8115HL
2000 Jan 27
32
Philips Semiconductors
Preliminary specification
Digital camera USB interface
SAA8115HL
Table 45
Detailed description of SNERT compression engine register 0x2F
Table 46
Detailed description of SNERT compression engine register 0x30
Table 47
Detailed description of SNERT compression engine register 0x31
Table 48
Detailed description of SNERT compression engine register 0x32
Table 49
Detailed description of SNERT compression engine register 0x33
BIT
SNERT REGISTER 2F: VP_VF_CONTROL
7
6
5
4
3
2
1
0
PARAMETER
X
reserved
QTABLE_SELECT: quantization table select
range [0 : 15]
DC_COEFF_LENGTH
undefined
8 bits
7 bits
6 bits
COMPRESSION_MODE
on
off (by default)
X
X
X
X
1
1
0
0
1
0
1
0
1
0
BIT
SNERT REGISTER 30: VP_C_YMASK
7
6
5
4
3
2
1
0
PARAMETER
X
X
X
X
X
X
X
X
operates an AND between this value and the compression engine input; can be
used to set bit positions in the Y signal to 0 (by default 0x00)
BIT
SNERT REGISTER 31: VP_C_UVMASK
7
6
5
4
3
2
1
0
PARAMETER
X
X
X
X
X
X
X
X
operates an AND between this value and the compression engine input; can be
used to set bit positions in the UV signal to 0 (by default 0x00)
BIT
SNERT REGISTER 32: VP_C_BITCOST_MSB
7
6
5
4
3
2
1
0
PARAMETER
X
X
X
X
X
X
X
X
set the compression ratio; the bitcost determines the maximum number of bits
generated by the compression algorithm for 4 subsequent lines
BIT
SNERT REGISTER 33: VP_C_BITCOST_LSB
7
6
5
4
3
2
1
0
PARAMETER
X
X
X
X
X
X
X
X
set the compression ratio; the bitcost determines the maximum number of bits
generated by the compression algorithm for 4 subsequent lines
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SAA8116104BE-S 功能描述:數字信號處理器和控制器 - DSP, DSC PC WEB CAMERA DSP WITH USB RoHS:否 制造商:Microchip Technology 核心:dsPIC 數據總線寬度:16 bit 程序存儲器大小:16 KB 數據 RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數量:35 定時器數量:3 設備每秒兆指令數:50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT
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